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Auswahl der wissenschaftlichen Literatur zum Thema „Fact based updates“
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Zeitschriftenartikel zum Thema "Fact based updates"
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HUANG, YAN-NONG, VERONICA DAHL und JIAWEI HAN. „FACT UPDATES IN LOGIC DATABASES“. International Journal of Software Engineering and Knowledge Engineering 05, Nr. 03 (September 1995): 467–91. http://dx.doi.org/10.1142/s021819409500023x.
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A logic database has two components. One comprises the base knowledge, represented explicitly, called the extensional base. The other stores more general knowledge in the form of derivation rules, and is called the intensional base. One may calculate derived facts in advance and store (or materialize) them. Thus, the response time can be expected to speed up. In this paper, we study a new evaluation technique for incrementally maintaining derived facts whenever updates occur on base facts. Our method is based on the seminaive evaluation so it is easy to implement; it is set-oriented, multiple updates may be dealt within a single manipulation; and insertion and deletion are treated uniformly. The method is evaluated analytically as well as experimentally. We indicate the potential application of our incremental method to a computational linguistic problem, i.e., parsing incomplete sentences. Related work in both areas of logic databases and computational linguistics are discussed.
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Lee, Dik Lun, Manli Zhu und Haibo Hu. „When Location-Based Services Meet Databases“. Mobile Information Systems 1, Nr. 2 (2005): 81–90. http://dx.doi.org/10.1155/2005/941816.
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As location-based services (LBSs) grow to support a larger and larger user community and to provide more and more intelligent services, they must face a few fundamental challenges, including the ability to not only accept coordinates as location data but also manipulate high-level semantics of the physical environment. They must also handle a large amount of location updates and client requests and be able to scale up as their coverage increases. This paper describes some of our research in location modeling and updates and techniques for enhancing system performance by caching and batch processing. It can be observed that the challenges facing LBSs share a lot of similarity with traditional database research (i.e., data modeling, indexing, caching, and query optimization) but the fact that LBSs are built into the physical space and the opportunity to exploit spatial locality in system design shed new light on LBS research.
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Nguyen, Thang Trung, Dieu Ngoc Vo, Hai Van Tran und Le Van Dai. „Optimal Dispatch of Reactive Power Using Modified Stochastic Fractal Search Algorithm“. Complexity 2019 (28.05.2019): 1–28. http://dx.doi.org/10.1155/2019/4670820.
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This paper applies a proposed modified stochastic fractal search algorithm (MSFS) for dealing with all constraints of optimal reactive power dispatch (ORPD) and finding optimal solutions for three different cases including power loss optimization, voltage deviation optimization, and L-index optimization. The proposed MSFS method is newly constructed in the paper by modifying three new solution update mechanisms on standard stochastic fractal search algorithm (SSFS). The first modification is to keep only one formula and abandon one formula in the diffusion process while the second modification and the third modification are used in the first update and the second update. In two updates of SSFS, solutions with low quality are updated with high probability while other solutions with high quality do not get chances to be updated. This manner results in the fact that some promising solutions around the high quality solutions can be missed. In order to tackle this restriction, the second modification of MSFS is to newly update the worst solutions in the first update and the best solutions in the second update. In the third modification, all existing formulas of SSFS in the two updates are abandoned and the same new proposed technique is used for updating such solutions in two updates. Compared to SSFS, the three modifications can bring advantages to MSFS such as using smaller number of produced solutions per iteration, spending shorter execution time, finding better optimal solutions, and owning more stable search ability. Furthermore, the proposed method also sees its effectiveness and robustness over SSFS by testing on IEEE 30-bus system and IEEE 118-bus system with three different single objectives for each system. The proposed method can find less minimum, average, and maximum for all the cases in addition to faster search speed. Besides, the proposed method is also compared to other methods such as PSO-based method group, GA-based method group, DE-based method group, and other recent methods. Result comparisons also indicate that the proposed method can be more efficient than almost all these methods with respect to less minimum and smaller values of control parameters. As a result, evaluation of the performance of the proposed method is that it should be used for seeking solutions of ORPD problem.
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Gogic, G., C. H. Papadimitriou und M. Sideri. „Incremental Recompilation of Knowledge“. Journal of Artificial Intelligence Research 8 (01.01.1998): 23–37. http://dx.doi.org/10.1613/jair.380.
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Approximating a general formula from above and below by Horn formulas (its Horn envelope and Horn core, respectively) was proposed by Selman and Kautz (1991, 1996) as a form of ``knowledge compilation,'' supporting rapid approximate reasoning; on the negative side, this scheme is static in that it supports no updates, and has certain complexity drawbacks pointed out by Kavvadias, Papadimitriou and Sideri (1993). On the other hand, the many frameworks and schemes proposed in the literature for theory update and revision are plagued by serious complexity-theoretic impediments, even in the Horn case, as was pointed out by Eiter and Gottlob (1992), and is further demonstrated in the present paper. More fundamentally, these schemes are not inductive, in that they may lose in a single update any positive properties of the represented sets of formulas (small size, Horn structure, etc.). In this paper we propose a new scheme, incremental recompilation, which combines Horn approximation and model-based updates; this scheme is inductive and very efficient, free of the problems facing its constituents. A set of formulas is represented by an upper and lower Horn approximation. To update, we replace the upper Horn formula by the Horn envelope of its minimum-change update, and similarly the lower one by the Horn core of its update; the key fact which enables this scheme is that Horn envelopes and cores are easy to compute when the underlying formula is the result of a minimum-change update of a Horn formula by a clause. We conjecture that efficient algorithms are possible for more complex updates.
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Schrader, Wayne L., Ronald E. Voss und Kent J. Bradford. „World Wide Web Access to Multimedia Resources“. HortScience 31, Nr. 4 (August 1996): 588d—588. http://dx.doi.org/10.21273/hortsci.31.4.588d.
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Agricultural producers in the United States require timely and accurate information on critical issues, environmental crises, and best management practices to make effective production decisions and to remain competitive in a global economy. Sources of information (university departments, extension, industry, consultants, scientific and trade publications) often take a single discipline approach that makes it difficult for growers to process and utilize information effectively. The high cost of printed publications make frequent updates impractical, while rapidly changing technologies and issues demand continual publication changes and updates. The rapid development and peer review of multi-discipline, research based information is possible through computer information transfer technology. The Univ. of California's Vegetable Crops Research and Information Center (VRIC) has developed a new World Wide Web site to disseminate peer-reviewed fact sheets, research results, updated publications, and multi-media educational resources relating to critical issues, best management practices, postharvest handling, and marketing of vegetable crops. The website disseminates multi-discipline information originating from the Univ. of California, the USDA, and cooperating agencies and universities. The VRIC website proactively sends peer-reviewed critical issue fact sheets to selected news media, government, industry, and academic contacts. These fact sheets help personnel frequently contacted by the media during crises to answer questions effectively. The website directs visitors to additional agricultural information resources and contains information on careers and educational opportunities available in the field of vegetable crops.
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Yuan, Peiyan, Xiaoxiao Pang, Ping Liu und En Zhang. „FollowMe: One Social Importance-Based Collaborative Scheme in MONs“. Future Internet 11, Nr. 4 (17.04.2019): 98. http://dx.doi.org/10.3390/fi11040098.
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The performance of mobile opportunistic networks mainly relies on collaboration among nodes. Thus far, researchers have ignored the influence of node sociality on the incentive process, leading to poor network performance. Considering the fact that followers always imitate the behavior of superstars, this paper proposes FollowMe, which integrates the social importance of nodes with evolutionary game theory to improve the collaborative behavior of nodes. First, we use the prisoner’s dilemma model to establish the matrix of game gains between nodes. Second, we introduce the signal reference as a game rule between nodes. The number of nodes choosing different strategies in a game round is used to calculate the cumulative income of the node in combination with the probability formula. Finally, the Fermi function is used to determine whether the node updates the strategy. The simulation results show that, compared with the random update rule, the proposed strategy is more capable of promoting cooperative behavior between nodes to improve the delivery rate of data packets.
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DeLaurentis, Poching, Todd A. Walroth, Andrew C. Fritschle, Denny Yu, Jee Eun Hong, Yuehwern Yih und James Fuller. „Stakeholder perceptions of smart infusion pumps and drug library updates: A multisite, interdisciplinary study“. American Journal of Health-System Pharmacy 76, Nr. 17 (20.07.2019): 1281–87. http://dx.doi.org/10.1093/ajhp/zxz135.
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Abstract Purpose Results of a questionnaire-based study to evaluate smart infusion pump end users’ perceptions and understanding of the drug library update process are reported. Methods The Indianapolis Coalition for Patient Safety, Inc., in partnership with the Regenstrief Center for Healthcare Engineering, conducted a 33-item electronic, cross-sectional survey across 5 Indiana health systems from May through November 2017. Interdisciplinary participants identified for survey distribution included nurses, pharmacists, biomedical engineers, administrators, and medication safety officers. The survey assessed the following domains: patient safety, the drug library update process, knowledge of drug libraries and the update process, and end-user perceptions. Results A total of 778 submitted surveys were included in the data analysis, with a large majority of responses (90.2%) provided by nurses. The use of drug libraries for ensuring patient safety was deemed extremely important or important by 88% of respondents, but 36% indicated that they were unsure of whether drug libraries are updated on a routine basis in their health system. Approximately two-thirds agreed that the current update process improves quality of care (65.0%) and patient safety (68.1%). Moreover, 53.3% agreed that the current drug library update process was effective. However, less than 10% responded correctly when asked about the steps required to update the drug library. Furthermore, only 18% correctly indicated that when a pump is on it may not necessarily contain the most up-to-date version of the drug library. Conclusion A survey of 5 health systems in Indianapolis identified several end-user knowledge gaps related to smart pump drug library updates. The results suggest that these gaps were most likely due to a combination of the 2-step update process and the fact that the current drug library version is not easy to find and/or user-friendly and it is unclear when an update is pending.
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Hoffman, Christopher W. „Revising the Conceptual Framework of the International Standards: IASB Proposals Met with Support and Skepticism“. World Journal of Business and Management 2, Nr. 1 (28.03.2016): 1. http://dx.doi.org/10.5296/wjbm.v2i1.8868.
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This article analyzes the current financial reporting issue regarding the updates proposed by the International Accounting Standards Board (IASB) to the Conceptual Framework for Financial Reporting. Since accounting standard-setters have embraced the notion of concepts as a guide and foundation to developing accounting standards, the IASB has concluded that there should be more importance place on developing a solid framework. Based on current literature and the fact that the Financial Accounting Standards Board (FASB) in the U.S. has a solid framework in place, the IASB has designed proposed updates to their framework and requested comments from the general public regarding those updates. This article evaluates the comments made by 72 respondents and tabulates the responses based on agree, disagree, or no comment. These results concluded that 66% of the responses were positive toward the updates, but 29% were negative. The disagreement was focused around four main topics: (1) prudence; (2) statement of profit or loss; (3) statement of other comprehensive income; and (4) rebuttable presumption for recycling. The IASB hopes to assimilate, deliberate, and disseminate the suggestions, comments, and the updates in 2016.
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SWIFT, TERRANCE. „Incremental Tabling in Support of Knowledge Representation and Reasoning“. Theory and Practice of Logic Programming 14, Nr. 4-5 (Juli 2014): 553–67. http://dx.doi.org/10.1017/s1471068414000209.
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AbstractResolution-based Knowledge Representation and Reasoning (KRR) systems, such as Flora-2, Silk or Ergo, can scale to tens or hundreds of millions of facts, while supporting reasoning that includes Hilog, inheritance, defeasibility theories, and equality theories. These systems handle the termination and complexity issues that arise from the use of these features by a heavy use of tabled resolution. In fact, such systems table by default all rules defined by users, unless they are simple facts.Performing dynamic updates within such systems is nearly impossible unless the tables themselves can be made to react to changes. Incremental tabling as first implemented in XSB (Saha 2006) partially addressed this problem, but the implementation was limited in scope and not always easy to use. In this paper, we introducetransparent incremental tablingwhich at the semantic level supports updates in the 3-valued well-founded semantics, while guaranteeing full consistency of all tabled queries. Transparent incremental tabling also has significant performance improvements over previous implementations, including lazy recomputation, and control over the dependency structures used to determine how tables are updated.
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Angriman, Eugenio, Michał Boroń und Henning Meyerhenke. „A Batch-dynamic Suitor Algorithm for Approximating Maximum Weighted Matching“. ACM Journal of Experimental Algorithmics 27 (31.12.2022): 1–41. http://dx.doi.org/10.1145/3529228.
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Matching is a popular combinatorial optimization problem with numerous applications in both commercial and scientific fields. Computing optimal matchings w.r.t. cardinality or weight can be done in polynomial time; still, this task can become infeasible for very large networks. Thus, several approximation algorithms that trade solution quality for a faster running time have been proposed. For networks that change over time, fully dynamic algorithms that efficiently maintain an approximation of the optimal matching after a graph update have been introduced as well. However, no semi- or fully dynamic algorithm for (approximate) maximum weighted matching has been implemented. In this article, we focus on the problem of maintaining a \( 1/2 \) -approximation of a maximum weighted matching (MWM) in fully dynamic graphs. Limitations of existing algorithms for this problem are (i) high constant factors in their time complexity, (ii) the fact that none of them supports batch updates, and (iii) the lack of a practical implementation, meaning that their actual performance on real-world graphs has not been investigated. We propose and implement a new batch-dynamic \( 1/2 \) -approximation algorithm for MWM based on the Suitor algorithm and its local edge domination strategy [Manne and Halappanavar, IPDPS 2014]. We provide a detailed analysis of our algorithm and prove its approximation guarantee. Despite having a worst-case running time of \( \mathcal {O}(n + m) \) for a single graph update, our extensive experimental evaluation shows that our algorithm is much faster in practice. For example, compared to a static recomputation with sequential Suitor , single-edge updates are handled up to \( 10^5\times \) to \( 10^6\times \) faster, while batches of \( 10^4 \) edge updates are handled up to \( 10^2\times \) to \( 10^3\times \) faster.
Dissertationen zum Thema "Fact based updates"
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Lakkaraju, Sai Kiran, University of Western Sydney, of Science Technology and Environment College und School of Computing and Information Technology. „A SLDNF based formalization for updates and abduction“. THESIS_CSTE_CIT_Lakkaraju_S.xml, 2001. http://handle.uws.edu.au:8081/1959.7/381.
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Knowledge representation and inference are the backbone of artificial intelligence, and logic programming is one of the most widely used knowledge representation tools. Logic programming with deduction/induction/abduction as the reasoning technique is serving numerous fields of artificial intelligence. In dynamic domains where there are constant changes in knowledge, updating the knowledge base is crucial to keep it stable. This thesis investigates the issues in updating the knowledge base. Two types of logic program based updates are considered, simple fact based updates where the knowledge base is updated by a simple fact, and rule based updates where the knowledge base is updated by a rule. A SLDNF based procedural approach is proposed to implement such updates. This thesis also investigates the issues involved in simple fact based and rule based abduction, and it is observed that updates are closely related to abduction. A SLDNF based procedural approach to perform simple fact/rule based updates and abduction is proposed as a result of this studyMaster of Science (Hons)
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Lakkaraju, Sai K. „A SLDNF based formalization for updates and abduction“. Thesis, 2001. http://handle.uws.edu.au:8081/1959.7/381.
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Knowledge representation and inference are the backbone of artificial intelligence, and logic programming is one of the most widely used knowledge representation tools. Logic programming with deduction/induction/abduction as the reasoning technique is serving numerous fields of artificial intelligence. In dynamic domains where there are constant changes in knowledge, updating the knowledge base is crucial to keep it stable. This thesis investigates the issues in updating the knowledge base. Two types of logic program based updates are considered, simple fact based updates where the knowledge base is updated by a simple fact, and rule based updates where the knowledge base is updated by a rule. A SLDNF based procedural approach is proposed to implement such updates. This thesis also investigates the issues involved in simple fact based and rule based abduction, and it is observed that updates are closely related to abduction. A SLDNF based procedural approach to perform simple fact/rule based updates and abduction is proposed as a result of this study
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HSU, Cheng-che, und 徐正哲. „Twin-bit based Fast IP Lookup and Incremental Update Algorithm“. Thesis, 2006. http://ndltd.ncl.edu.tw/handle/53096774578236292086.
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碩士國立雲林科技大學
資訊工程研究所
94
The success of the Internet and the use of broadband in homes have caused a gradual shift in traffic on the Internet from data to multimedia communication. The Internet traffic is increased day by day. At the same time, the advance of the communication technology has allowed the rapid evolution of Ethernet performance from 10 Mbps to 100 Mbps, and now to 10Gbps. In the gigabit networks, the IP address lookup is a bottleneck for a router as the router needs to find the longest prefix matching for the address. In this paper, based on tree structures we proposed a Twin-bit based IP address lookup and update algorithm which can effectively reduce the number of memory access times and provide fast routing table update. Performance evaluation shows that with our algorithm the average memory access time is only six in 78504 routing entries environment.
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Lo, Chieu-Yu, und 駱建宇. „Fast Update Mechanism for Ternary CAMs based on Multi-field Classifiers“. Thesis, 2002. http://ndltd.ncl.edu.tw/handle/06350400668171037980.
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碩士國立清華大學
通訊工程研究所
90
With the exponential growth of the Internet and various services provided, several requirements such as the next generation Internet Protocol (Internet Protocol Version 6) and the technique of classifications are needed. However, to achieve the requirements described above, there are two issues. First, filters in multi-field classifiers have more complex overlapping situations than in single-field. The thesis proposes an algorithm to detect the overlapped filters in multi-field classifiers and judge the overlapping situations when adding a filter. Second, the processing time of classifications is according to the total length of all fields and the number of filters in classifiers. Higher layer classifications take more time to classify packet flows. A Ternary content-addressable memory (TCAM) is a hardware solution for classifying packet flows. TCAMs perform high-speed parallel search operations to promote the performance of classifiers. But the hardware architecture of TCAMs leads to two problems. First, filters inserted to TCAMs should be in the form of prefixes. To solve the problem, this thesis designs a method to translate from a range into prefixes. Second, locations in TCAMs and priorities of filters have relations. The relations cause a lot of updates to keep entries in decreasing order of priority in a classifier and bring about low performances. This thesis proposes a flexible and optimal method to update the TCAMs based classifiers, and gives simulation results to prove the practicability.
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Hsiao, Yu-Jen, und 蕭毓仁. „A Fast Update and Power-Efficient TCAM-Based Router Architecture for IPv6 Lookup“. Thesis, 2008. http://ndltd.ncl.edu.tw/handle/85566290653015708412.
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碩士國立中正大學
通訊工程研究所
96
With the rapid development of the Internet applications and the explosion of the end users，IPv4 address has been exhaustedly used, and the IPv6 will be the future solution and replace IPv4. With the increasing speed and network traffic of Internet, IP lookup forms a bottleneck in packet forwarding, because lookup speed cannot catch up with the increase in link bandwidth.A popular device is special type to fully associative memory: TCAM. Each cell in TCAM can take three logic states:0,1,or don’t care X and it can Search data in single clock cycle. But TCAM also has some disadvantage. Today’s high-density TCAM consume 12 to 15W per chip when the entire memory is enabled. So, TCAM arrays have high power consumption. Furthermore the adoption of CIDR in 1993 required a routing lookup to perform a LPM operation. Therefore, lookups are performed in TCAM by sorting forwarding table entries in order of decreasing prefix lengths. The need to maintain a sorted list makes incremental updates slow in a TCAM.We propose a power efficient TCAM-Based router architecture for IPv6 lookup. The architecture can reduces 62.5% TCAM power consumption through the selective enablement of only one TCAM chip. We also perform routing table compaction and achieve 35% compaction rate. It help reduce TCAM storage and power consumption. We also propose a fast TCAM update scheme. the insertion of 90% update prefixes won’t need any memory movement. Our lookup system can achieve fast lookup rate up to 100 million lookup per second.
Bücher zum Thema "Fact based updates"
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finances, Québec (Province) Ministère des. Update on federal transfers: Fiscal federalism in Canada: for fact-based discussions, compensating Québec for sales tax harmonization. [Québec]: Finances Québec, 2011.
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Mitchell, David A., und Laura Mitchell. Oxford Handbook of Clinical Dentistry. Oxford University Press, 2014. http://dx.doi.org/10.1093/med/9780199679850.001.0001.
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Concise and practically focused, this new edition of the Oxford Handbook of Clinical Dentistry balances a pragmatic approach alongside evidence-based clinical knowledge, guidelines and protocols. With even more images and diagrams to aid understanding, it has been fully updated with sources and further reading, including the most up-to-date e-learning and web resources. This online resource includes revised chapters on fast-moving areas of dental practice such as therapeutics and anaesthesia, as well as updates on the aetiology and management of cancer, reflecting recent discoveries. New material also includes the impact of bisphosphonates, and new approaches to the management of Class III malocclusions in the growing child. Sections on the differences in healthcare and legal requirements of the UK devolved countries have been added, and all life support protocols have been updated.
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Pediatric ICD-10-CM 2018: A Manual for Provider-Based Coding. American Academy of Pediatrics, 2017. http://dx.doi.org/10.1542/9781610021074.
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For the pediatric provider, coder, and biller, here's the most helpful and easy-to-use manual on ICD-10-CM yet. Featuring a laser-sharp pediatrics focus, it provides codes and guidelines in a simplified, yet familiar format. This purpose-built tool streamlines the coding process by condensing the vast ICD-10-CM code set to only pediatric-centered guidelines and codes. This yields a 50% reduction of codes to search for faster, efficient coding. The guidelines are included directly at the chapter and code level, helping ensure that coders will always use the right codes in the right situations. Tabular, indexed navigation helps you find needed items fast. KEY FEATURES: Updated for the October 1, 2017 release of ICD-10-CM codes Pediatrics-focused and provider-based coding guidance Integrated codes and guidelines
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Solving, Alex. How to Cancel Your Kindle Unlimited Membership in 3 Easy Steps: * New * Best Guide * Update * Fast Guide * Step by Step * Top Manual * Based on the New Informations * 2020 *. Independently Published, 2019.
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Bennett, Sophie, Pamela Myles-Hooton, Jessica Schleider und Roz Shafran, Hrsg. Oxford Guide to Brief and Low Intensity Interventions for Children and Young People. Oxford University PressOxford, 2022. http://dx.doi.org/10.1093/med-psych/9780198867791.001.0001.
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Abstract Brief and low intensity (LI) interventions are a relatively new approach to delivering evidence-based psychological treatments for adults presenting with common mental health problems, and an even newer approach for working with children and young people. Over recent years, empirically validated brief and LI psychological treatments for children and young people have started to emerge and are being used within services across the world. The potential utility of these brief and LI interventions for children and young people is wide-ranging, but the existing evidence and guidance for their application has not been collated into a single comprehensive source. In this book, readers will learn about the research evidence and practical applications of brief and LI interventions for children and young people, including approaches using diverse delivery methods (e.g. single sessions, online, face-to-face, bibliotherapy, and telehealth) and targeting a wide variety of clinical problems (from depression and anxiety to psychosis and autism spectrum disorder). There are numerous case examples for practitioners, as well as chapters on supervision models and implementation in services for supervisors and managers. The final section includes chapters on exciting new updates on the most recent advances in the field.
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Barlow, David H., und Michelle G. Craske. Mastery of Your Anxiety and Panic. 5. Aufl. Oxford University Press, 2022. http://dx.doi.org/10.1093/med-psych/9780197584095.001.0001.
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This edition of the Mastery of Your Anxiety and Panic Workbook has been updated to include strategies and techniques for dealing with both panic disorder and agoraphobia. The program outlined is based on the principles of cognitive behavioral therapy (CBT) and is organized by skill, with each chapter building on the one before it. It covers the importance of recordkeeping and monitoring progress, as well as breathing techniques and thinking skills. The main focus of the treatment involves learning how to face agoraphobia situations and the often frightening physical symptoms of panic from an entirely new perspective. Self-assessment quizzes, homework exercises, and interactive forms allow patients to become active participants in treatment and to learn to manage panic attacks, anxiety about panic, and avoidance of panic and agoraphobic situations.
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Jester, Rebecca, Julie Santy Tomlinson und Jean Rogers. Oxford Handbook of Trauma and Orthopaedic Nursing. Oxford University Press, 2020. http://dx.doi.org/10.1093/med/9780198831839.001.0001.
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The second edition of the Oxford Handbook of Orthopaedic and Trauma Nursing is an easily accessible, practical, and comprehensive guide to orthopaedic and trauma care. Principally aimed at nurses working in the specialty, it is also a useful guide for all healthcare practitioners and students. This edition provides new information about supporting people with a learning disability within orthopaedic and trauma care settings, virtual clinics, updated management and competencies, fast-track and enhanced recovery pathways, and a stronger emphasis on the health promotion role of nurses in the field. It is written in a readable note-based style with clear illustrations and comprehensive text. The Oxford Handbook of Orthopaedic and Trauma Nursing brings together the authors’ many years of collective experience in one easy-to-use format the student and practitioner won’t want to be without.
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Kleiner, Susan M., und Maggie Greenwood-Robinson. The New Power Eating. Human Kinetics, 2019. http://dx.doi.org/10.5040/9781718214101.
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Transform your body as you build muscle, lose fat, and maximize performance with The New Power Eating. Author Susan Kleiner delivers the proven strategies she’s used with male and female professional athletes and Olympians in one practical, effective resource that gives you the know-how to reach your personal goals. In The New Power Eating, Kleiner brings together the latest scientific research on nutrition planning and explains not just what to eat but also when and how to adjust eating plans for your body and specific energy needs. Whether it’s a heavy or light training day, in peak season or off-season, you’ll learn how to achieve your physique and performance goals safely, legally, and effectively. New recipes pack a nutritional punch into every meal or snack, and sample meal plans for each meal of the day help you easily put it all together―you’ll even find a food group template to help you customize your own menus. Plus, updated details on safe supplements guide you through the maze of marketing claims to help you select the best options in view of the scientific evidence. Dr. Kleiner also walks you through how she evaluates products and brands based on testing for purity, potency, digestibility, and absorption. Based on the author’s research, you’ll also find fascinating facts that explain how your relationship with food and the gut-to-brain axis can affect your physical and emotional health and performance. Both males and females will discover gender-specific guidance and strategies to help you take advantage of your body’s benefits and overcome unhealthy triggers or habits to create and maintain an effective power eating program. Incorporate The New Power Eating into your training and find out what thousands of athletes already know: The New Power Eating is more than a book. It’s your path to power excellence.
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Sozina, Julija A., und Svetlana I. Danchenko, Hrsg. Russo-Turkish War of 1877–1878: Hopes – Vicissitudes – Lessons. Institute of Slavic Studies, Russian Academy of Sciences; Rudomino Library for Foreign Literature, 2020. http://dx.doi.org/10.31168/0447-3.
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The authors of the joint monograph "The Russo-Turkish War of 1877–1878: Hopes – Vicissitudes – Lessons", historians, culturologists and literary scholars, based on historical documents, archival materials, facts of public life and fiction writing, as well as "field work", give an updated vision of the sesquicentennial events, which played a significant role in the transformation of the geopolitical map of Europe and interethnic relations, and whose echoes are still heard today, often re-acquiring the acute relevance. The primary focus is on the Balkan policy of Russia and other major European countries; the Russian-Bulgarian military cooperation; the Russian-Bulgarian social and cultural ties; the refraction of historical realities in artistic creation, journalism and diaries. The book will be of interest to a wide range of researchers, university students and readers interested in the development of international relations, the history and culture of the Balkans, the Russian-Bulgarian dialogue.
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Helliwell, Philip S., Mike R. Backhouse und Heidi J. Siddle, Hrsg. The Foot and Ankle in Rheumatology. Oxford University Press, 2019. http://dx.doi.org/10.1093/med/9780198734451.001.0001.
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Foot and ankle problems are particularly common in people with rheumatic conditions—in fact they are almost universal in some. They have a great impact on people’s lives yet are often poorly understood and often go unrecognized and untreated. This book is aimed at a broad range of health professionals. From our experience in postgraduate education we know that many feel in need of more knowledge and skills with respect to the foot in rheumatic disease. Complaints about the feet are often seen as a bit of a black hole for health professionals not involved specifically in their care. This book should serve to cast away some of this darkness and uncertainty, and as a companion text to any practical tuition that the reader can obtain. For foot specialists, who may have only had limited training in musculoskeletal diseases, the book will serve as an update on current thinking across the spectrum of rheumatic disease. Effective treatment of rheumatological foot and ankle disorders requires an integrated, disease-staged approach across the multidisciplinary team. We draw on the expertise of international leaders in the field using a clear, logical, evidence-based style that guides readers through to the forefront of knowledge in the field.
Buchteile zum Thema "Fact based updates"
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Pavani, Sri-Kaushik, Federico M. Sukno, Constantine Butakoff, Xavier Planes und Alejandro F. Frangi. „A Confidence-Based Update Rule for Self-updating Human Face Recognition Systems“. In Advances in Biometrics, 151–60. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-01793-3_16.
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Shen, Xi, und Melissa Ferguson. „Are We Stuck on the Face? New Evidence for When and How People Update Face-Based Implicit Impressions“. In The Handbook of Impression Formation, 393–415. New York: Routledge, 2022. http://dx.doi.org/10.4324/9781003045687-22.
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Henrekson, Magnus, und Johan Wennström. „Educational Performance in Swedish Schools—What Are the Facts?“ In Dumbing Down, 23–61. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-93429-3_3.
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AbstractIn the 2000s, Swedish elementary and secondary school students’ scores in international assessments began to fall, which suggests both a long-term and substantial weakening of the Swedish school system. The chapter provides a detailed presentation of what is known about the performance of Swedish students before the first TIMSS assessment in 1995 and the subsequent decline in international tests. It shows that the downward trend in attainment is a result of deteriorating scores across the board, from the highest-performing students to those who obtain the lowest scores. Moreover, the chapter suggests that the decline in knowledge among Swedish students is likely to have strong effects on future economic growth. A rough calculation based on updated cross-country estimates suggests that the Swedish growth rate per capita may fall by 0.4–0.5 percentage points.
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Vesanen, Teemu, Kiviniemi Markku, Kostas Tsatsakis und Gabriele Masera. „Digital Tools for Fast-Track Renovation Operations“. In Innovative Tools and Methods Using BIM for an Efficient Renovation in Buildings, 75–94. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-04670-4_6.
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AbstractDigital tools for fast-track renovation operations developed in the project aim to shorten the duration of renovation and disturbance to the occupants with BIM-enabled methods and tools in operations management at site and with prefabrication to speed up the installation tasks. The chapter presents an ensemble of tools, concepts and use cases. First, two tools are described that are used to support construction production management and user communication. Then a concept how product data could be used as part of the tools and further how the product data and the tools could support in achieving the overall BIM4EEB objectives in the use cases of prefabricated exhaust air heat pump and prefabricated thermal insulation. Target of the work was to improve the state-of-the-art planning and monitoring. A new tool was created that combines the BIM model and typical work breakdown structure (WBS) based project scheduling into location breakdown structure (LBS) based user-interface. Continuously updated LBS provide valuable information to stakeholders with web-service and mobile applications. The 24/7 situational awareness of the renovation activities status provides unprecedented transparency of the project progress. Hence, the system allows scheduling the site activities with shorter lead times to shorten the total construction duration while it is possible to immediately take control of possible deviations in implementation. The reliable progress data is available also to the clients and occupants with right timed guidance and safety instructions. The other aim in the work was to utilise BIM for increasing the share of prefabrication in renovation projects. The BIM-based design allows to manage the compatibility and tolerances between design disciplines and adapting those with mapped geometry of the building will enable the prefabrication and preassembling of structural and system components also in renovation. Two best practice examples were developed and described showing how to utilise prefabrication in real renovation scenarios.
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Kim, Sung-Gyu, Dami Kim, Jihey Kim, Dayoung Han und Byungjoo Park. „A Novel Predictive Binding Update Scheme for Fast Handover over IP-Based Wireless/Mobile Networks“. In Communications in Computer and Information Science, 322–30. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-24267-0_38.
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Navarro, Adrian, María Jose Checa, Francisco Lario, Laura Luquero, Asunción Roldán und Jesús Estrada. „Monitoring Forest Health: Big Data Applied to Diseases and Plagues Control“. In Big Data in Bioeconomy, 335–49. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-71069-9_25.
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AbstractIn this chapter, we present the technological background needed for understanding the problem addressed by this DataBio pilot. Spain has to face plagues and diseases affecting forest species, like Quercus ilex, Quercus suber or Eucaliptus sp. Consequently, Spanish Public Administrations need updated information about the health status of forests. This chapter explains the methodology created based on remote sensing images (satellite + aerial + Remotely Piloted Aircraft Systems (RPAS)) and field data for monitoring the mentioned forest status. The work focused on acquiring data for establishing the relationships between RPAS generated data and field data, and on the creation of a correlation model to obtain a prospection and prediction algorithm based on spectral data for early detection and monitoring of decaying trees. Those data were used to establish the links between EO image-derived indexes and biophysical parameters from field data allowing a health status monitoring for big areas based on EO information. This solution is providing Public Administrations with valuable information to help decision making.
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Wartman, William A. „Preprocessing General Head Models for BEM-FMM Modeling Pertinent to Brain Stimulation“. In Brain and Human Body Modeling 2020, 325–43. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-45623-8_20.
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AbstractIntroduction: Transcranial magnetic stimulation (TMS) is a major noninvasive neurostimulation method in which a coil placed near the head employs electromagnetic induction to produce electric fields and currents within the brain. To predict the actual site of stimulation, numerical simulation of the electric fields within the head using high-resolution subject-specific head models is required. A TMS modeling software toolkit has been developed based on the boundary element fast multipole method (BEM-FMM), which has several advantages over conventional finite element method (FEM) solvers.Objective: To extend the applicability of the BEM-FMM TMS simulation toolkit to head models whose meshing scheme produces a single mesh for every unique tissue instead of producing a single mesh for every unique tissue/tissue boundary.Method: The MIDA model of the IT’IS Foundation, Switzerland, comprises 115 high-resolution tissue models in the form that the BEM-FMM toolkit is modified to accept. The updated BEM-FMM toolkit is tested using this head model.Results: The BEM-FMM toolkit has been successfully modified to accept head models consisting of one unique mesh per unique tissue while still supporting its initial model format of one unique mesh per boundary between two specific tissues. Performance impacts occur in the preprocessing phase only, meaning that the charge computation method performs equally well regardless of model format.
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Irizaga, Gonzalo, und Gonzalo Angulo. „Anesthesia Management to Improve Outcomes“. In Bone Tumors - Recent Updates [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.106672.
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Neoplastic pathology is the second cause of death in developed countries. In our specialty, there is great concern about the implications of the anesthetic technique and the drugs used, present in the perioperative period of the cancer patient; as well as other perioperative factors. Among the latter, we highlight the management of psychological stress, adequate pain control, the type of surgery, avoiding hypothermia, and reducing transfusions of blood products. This concern is based on the fact that despite great advances in both surgical techniques for tumor resection and neoadjuvant and adjuvant polychemotherapy techniques; tumor recurrence rates have not decreased as desired. This suggests that the previously mentioned perioperative factors play an active role in tumor recurrence in cancer patients. Based on current evidence and our experience, we can affirm that the use of anesthetic/analgesic techniques based on the use of propofol, NSAIDs, and regional anesthesia with local anesthetics that achieve a decrease in the perioperative consumption of opiates, especially morphine, can be beneficial to protect the anti-metastatic immune response of the organism in a period of special protumoral susceptibility such as the perioperative period.
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Golfarelli, Matteo, und Stefano Rizzi. „Managing Late Measurements in Data Warehouses“. In Data Warehousing and Mining, 738–54. IGI Global, 2008. http://dx.doi.org/10.4018/978-1-59904-951-9.ch047.
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Though in most data warehousing applications no relevance is given to the time when events are recorded, some domains call for a different behavior. In particular, whenever late measurements of events take place, and particularly when the events registered are subject to further updates, the traditional design solutions fail in preserving accountability and query consistency. In this article, we discuss the alternative design solutions that can be adopted, in presence of late measurements, to support different types of queries that enable meaningful historical analysis. These solutions are based on the enforcement of the distinction between transaction time and valid time within the schema that represents the fact of interest. Besides, we provide a qualitative and quantitative comparison of the solutions proposed, aimed at enabling wellinformed design decisions.
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Amin, Md Faizul Ibne, Yutaka Watanobe, Md Mostafizer Rahman und Raihan Kabir. „Watchtower Selection in Off-Blockchain PCN Using Peterson Leader-Election Algorithm“. In Frontiers in Artificial Intelligence and Applications. IOS Press, 2022. http://dx.doi.org/10.3233/faia220250.
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Despite the incredible adoption of cryptocurrencies, blockchain-based cryptocurrencies have likewise raised some concerns. The scalability problem is the major one among them. An off-blockchain payment channel network (PCN) has been introduced to solve this issue. PCN can fundamentally reduce blockchain scalability by constructing a number of payment channels between the nodes and without committing every single transaction to the blockchain. But as a matter of fact, there has an unwanted assumption in PCN that channel participants must remain online and follow blockchain updates, for the synchronization with blockchain to protect the channel against deception. To mitigate this issue “Watchtower” concept has been proposed. Watchtower is a watching service and always stays online that a channel participant can hire it by offering incentives for monitoring the channel and checking blockchain updates consistently to prevent fraud on behalf of the hiring party. However, watchtower may be more beneficial by cooperating with the cheating counterparty and neglecting to perform the watching service properly. The efficiency drawback can occur for that. In this work, we have been motivated by this issue and tried to find out an effective and reliable watchtower for the channel watching service from multiple watchtower nodes or candidates in the PCN. In particular, we have been approached by using the distributed Peterson Leader-Election Algorithm to find the best watchtower among multiple of them where the more successfully performed work node or candidate will be selected for the channel monitoring job. We also have provided a detailed step-by-step process of the algorithm including experiments and illustrations for employing watchtower among multiple of them.
Konferenzberichte zum Thema "Fact based updates"
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Fighera, Giorgio, Ernesto Della Rossa, Patrizia Anastasi, Mohammed Amr Aly und Tiziano Diamanti. „Unlocking Ensemble History Matching Potential with Parallelism and Careful Data Management“. In Abu Dhabi International Petroleum Exhibition & Conference. SPE, 2021. http://dx.doi.org/10.2118/207606-ms.
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Abstract Improvements in reservoir simulation computational time thanks to GPU-based simulators and the increasing computational power of modern HPC systems, are paving the way for a massive employment of Ensemble History Matching (EHM) techniques which are intrinsically parallel. Here we present the results of a comparative study between a newly developed EHM tool that aims at leveraging the GPU parallelism, and a commercial third-party EHM software as a benchmark. Both are tested on a real case. The reservoir chosen for the comparison has a production history of 3 years with 15 wells between oil producers, and water and gas injectors. The EHM algorithm used is the Ensemble Smoother with Multiple Data Assimilations (ESMDA) and both tools have access to the same computational resources. The EHM problem was stated in the same way for both tools. The objective function considers well oil productions, water cuts, bottom-hole pressures, and gas-oil-ratios. Porosity and horizontal permeability are used as 3D grid parameters in the update algorithm, along with nine scalar parameters for anisotropy ratios, Corey exponents, and fault transmissibility multipliers. Both the presented tool and the benchmark obtained a satisfactory history match quality. The benchmark tool took around 11.2 hours to complete, while the proposed tool took only 1.5 hours. The two tools performed similar updates on the scalar parameters with only minor discrepancies. Updates on the 3D grid properties instead show significant local differences. The updated ensemble for the benchmark reached extreme values for porosity and permeability which are also distributed in a heterogeneous way. These distributions are quite unlikely in some model regions given the initial geological characterization of the reservoir. The updated ensemble for the presented tool did not reach extreme values in neither porosity nor permeability. The resulting property distributions are not so far off from the ones of the initial ensemble, therefore we can conclude that we were able to successfully update the ensemble while persevering the geological characterization of the reservoir. Analysis suggests that this discrepancy is due to the different way by which our EHM code consider inactive cells in the grid update calculations compared to the benchmark highlighting the fact that statistics including inactive cells should be carefully managed to correctly preserve the geological distribution represented in the initial ensemble. The presented EHM tool was developed from scratch to be fully parallel and to leverage on the abundantly available computational resources. Moreover, the ESMDA implementation was tweaked to improve the reservoir update by carefully managing inactive cells. A comparison against a benchmark showed that the proposed EHM tool achieved similar history match quality while improving the computation time and the geological realism of the updated ensemble.
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Wu, Nier, und Horea T. Ilies¸. „Motion-Based Shape Deformation of Solid Models“. In ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/detc2007-34826.
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Mechanical designs undergo numerous geometric changes throughout the design process. Performing these changes relies, whenever possible, on the parametric models used to create the initial geometry. However, a number of open issues prevent the current parametric modeling systems to support many practical design situations, which, in turn, forces the geometry to evolve independently of the original parametric model. The fact that every parametric update can be expressed in terms of a sequence of shape deformations implies that the same geometric updates could be obtained, at least in principle, via shape deformation procedures that parameterize the deformation itself. In this paper we propose a new approach to create and edit solid models by introducing a geometric deformation procedure that relies on motion interpolation. We show that the proposed approach induces a parametrization of the deformation that allows direct control and editing of the deformation, is capable of preserving important geometric invariants such as constant cross-sectional properties of the deformed models, and maintains the ability to perform parametric optimization of the associated solid models. We conclude by discussing advantages and limitations of this approach as well as a number of important research directions that we will pursue in the near future.
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Azman, Rashidil Arif, Meor M. Hakeem Meor Hashim, Lokman Norhashimi, Nor Ashraf Norazman, M. Faris Arriffin und Rohaizat Ghazali. „Enabling Multidisciplinary Collaboration in Rig Acceptance via Digital Rig Acceptance Workflow (DRAW) Solution“. In SPE Asia Pacific Oil & Gas Conference and Exhibition. SPE, 2022. http://dx.doi.org/10.2118/210612-ms.
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Abstract With the current rig acceptance workflow practiced by operators globally, the process efficiency gap has been apparent for years. Redundancy, accountability issues and resource wastages can be quite complicated. In a typical workflow, the issues encountered include lack of accountability by inspectors toward item closure, inability to generate snapshots of current status, limited access due to current update via e-mail distribution only, and inefficient process as updates have to be emailed to inspectors. Report formats are not standardized across different disciplines hence the experience is not seamless as there is no one-stop center to view aviation, marine, and HSE inspection items. In fact, some inspection items across disciplines are redundant to each other. The digitalization of rig acceptance workflow can help to overcome these pain points by having a single platform to allow multidiscipline parties to keep tabs on rig activation status and updates throughout company-wide operations globally during the rig acceptance process. The paper approaches the subject by introducing a much leaner and more seamless method for conducting rig acceptance. This can be achieved by having a web-based one-stop center for all things related to rig acceptance (i.e., marine, rig, HSE, and aviation). It grants the ability for inspectors and designated personnel (e.g., DSV) to insert comments for each finding as well as the ability for inspectors to assign and edit severity levels (P1/P2/P3) for each finding. The single platform approach allows the possibility to link up the other checklist and findings on the same system and immediately reduce the redundancy of certain items that is similar to other checklists, which can be streamlined online. Therefore, implementation of this Digital Rig Acceptance Workflow (DRAW) solution can produce a user-friendly online platform to allow inspectors, project teams, management, and rig equipment subject matter experts to access the system anywhere, anytime. DRAW allows status updates (i.e., open/ongoing/close) and clarifications to be communicated via a single platform. It utilizes data input to produce actionable insights (i.e., pie/bar charts, P1/P2/P3 status, etc.) hence generating direct business value via improving process cycle efficiency in a project well life cycle.
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Reese, Sven H., Johannes Seichter, Dietmar Klucke und H. Ertugrul Karabaki. „Numerical Evaluation of Environmentally Assisted Fatigue (EAF) in Consideration of Recent Updates of the Formulas and Hold Time Effects“. In ASME 2015 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/pvp2015-45020.
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Environmentally Assisted Fatigue (EAF) has been focus of various research activities and has been addressed in nuclear Codes and Standards like German safety standard KTA 3201.2 [1], 3211.2 [2] or ASME CC N-792 [3] for example. Based on experimental investigation under laboratory conditions a numerical correction factor Fen was proposed in NUREG CR-6909 [4] in 2007 after precursors in the Japanese JSME code [6]. In 2012 the EPRI Technical Report “Guidelines for Addressing Environmental Effects in Fatigue Usage Calculations” [7] introduced some practical guidelines for the application of the EAF to real plant components based on the set of formulas from 2007. Since this report the set of formulas have been adapted several times (e.g. in ANL-LWRS 47-2011 [8]) while the current revision of NUREG/CR-6909 in 2014 [9] describes the current state of the art. At E.ON Kernkraft GmbH a goal-oriented and engineering based research program called NuMEA (Numerical Methods to take Environmentally Assisted Fatigue into Account) has been established, focusing on recommendations of the EPRI guideline in the context of application to real plant components and available temperature measurement data. First main focus of the R&D activity is to calculate the EPRI sample for verifying developed procedures and taking different procedures for determining the sign to be assigned to the relevant stress intensity into account. The documentation of the procedures applied within the EPRI guideline is not comprehensive enough for real-plant evaluation application. Thus, additional definitions and procedures have been developed to ensure practical application of the procedures being developed. Additionally, updated formulas being recently introduced in the context of the NUREG/CR-6909 Rev. 1 [9] have been implemented. Second topic of the activities is to develop a procedure to take hold-time effects into account numerically based on existing experimental data. Motivated by the fact that the introduction of a potentially beneficial effect of hold times is foreseen in the framework of piping design of the German KTA safety standards, the existing engineering approach (PVP2014-2819 [10]) is appended to fatigue calculation of NPP components. This paper presents the results and the highlights of the E.ON R&D project NuMEA.
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Qubian, Ali, Mohammed Ahmad Zekraoui, Sina Mohajeri, Emad Mortezazadeh, Reza Eslahi, Maryam Bakhtiari, Abrar Al Dabbous, Asma Al Sagheer, Ali Alizadeh und Mostafa Zeinali. „A Novel High-Speed AI-Physics Hybrid Model to Predict the Reservoir Behavior; A Case Study“. In SPE Symposium: Leveraging Artificial Intelligence to Shape the Future of the Energy Industry. SPE, 2023. http://dx.doi.org/10.2118/214475-ms.
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Abstract Reservoir simulation is widely applied to model and manage subsurface flow operations. However, due to the nonlinear nature of the governing equations and the multiscale character of the geological description, executing numerical simulations can be expensive and increasingly slow. In this study, we propose an innovative high-speed simulation method to build a model that is capable to predict the field's behavior. In this study, a novel AI-Physics hybrid model was proposed for reservoir simulation. Classical numerical simulation and deep learning neural networks are coupled together to create an AI-Physics hybrid reservoir simulation. As a result, a model was obtained with predictive capabilities to forecast the field's behavior. Then, we combined AI-Physics history training with blind test prediction calculation of remaining oil maps. Finally, forecast scenario definitions based on the remaining oil map were created by the AI-Physic model. The proposed high-speed simulation model can reduce the history matching and scenario assessment time by 90 to 95%. According to its capabilities, three improved forecast scenarios were created based on a predefined scenario. These improved scenarios can produce a significant million standard barrels more oil than the original development scenario within three years. This technology eliminates limitations for multiple scenario assessments. In our AI hybrid model, the power of dynamic reservoir simulation is combined with a modern machine learning approach to "Evergreen" forecasts in reservoir assets. Consequently, the simulation resulted in a sub-optimal shortcut between model updates and inconsistencies in production forecasting. Moreover, applying deep learning methods to focus on the critical reservoir properties intelligently leads to tremendous time-saving in the static model update life cycle. In fact, with this novel simulation that we implemented, the new production data could be incorporated within minutes to regenerate more reliable and up-to-date forecasts. This simulation generates ‘up-to-date remaining hydrocarbon maps interactively, so the operator can continuously optimize the infill drilling locations between Field Development Plan cycles.
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Qubian, Ali, Mohammed Ahmad Zekraoui, Sina Mohajeri, Emad Mortezazadeh, Reza Eslahi, Maryam Bakhtiari, Abrar Al Dabbous, Asma Al Sagheer, Ali Alizadeh und Mostafa Zeinali. „An Innovative AI Physics Hybrid Technology to Overcome the Time-Intensive History Matching Challenges, A Case Study: Minagish Oil Field“. In SPE Reservoir Characterisation and Simulation Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/212608-ms.
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Abstract Reservoir simulation is the main factor in decisions made by oil companies in reservoir management. However, the simulation of huge and complex oil reservoirs through a time-saving and high-accuracy method is the primary concern in reservoir simulation. In this study, a novel AI-Physics hybrid model was proposed for combining with the traditional reservoir simulation to overcome the time-intensive history matching challenges. A combination of classical numerical simulation and deep learning neural network was applied to train the hybrid model with historical data. As a result, a model was obtained with predictive capabilities to forecast the field's behavior. Then, we combined AI-Physics history training with blind test prediction calculation of remaining oil maps. Finally, forecast scenario definitions based on the remaining oil map were created by the AI-Physic model. The proposed novel simulation method can reduce the history matching and scenario assessment time by 90 to 95%. According to its capabilities, three improved forecast scenarios were created based on a predefined scenario. These improved scenarios can produce a significant million standard barrels more oil than the original development scenario within three years. This technology eliminates limitations for multiple scenario assessments. In our AI hybrid model, the power of dynamic reservoir simulation is combined with a modern machine learning approach to "Evergreen" forecasts in reservoir assets. Consequently, the simulation resulted in a sub-optimal shortcut between model updates and inconsistencies in production forecasting. Moreover, applying deep learning methods to focus on the critical reservoir properties intelligently leads to tremendous time-saving in the static model update life cycle. In fact, with this novel simulation that we implemented, the new production data could be incorporated within minutes to regenerate more reliable and up-to-date forecasts. This simulation generates ‘up-to-date’ remaining hydrocarbon maps interactively, so the operator can continuously optimize the infill drilling locations between Field Development Plan (FDP) cycles.
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Li, Ronghan, Lifang Wang, Shengli Wang und Zejun Jiang. „Asynchronous Multi-grained Graph Network For Interpretable Multi-hop Reading Comprehension“. In Thirtieth International Joint Conference on Artificial Intelligence {IJCAI-21}. California: International Joint Conferences on Artificial Intelligence Organization, 2021. http://dx.doi.org/10.24963/ijcai.2021/531.
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Multi-hop machine reading comprehension (MRC) task aims to enable models to answer the compound question according to the bridging information. Existing methods that use graph neural networks to represent multiple granularities such as entities and sentences in documents update all nodes synchronously, ignoring the fact that multi-hop reasoning has a certain logical order across granular levels. In this paper, we introduce an Asynchronous Multi-grained Graph Network (AMGN) for multi-hop MRC. First, we construct a multigrained graph containing entity and sentence nodes. Particularly, we use independent parameters to represent relationship groups defined according to the level of granularity. Second, an asynchronous update mechanism based on multi-grained relationships is proposed to mimic human multi-hop reading logic. Besides, we present a question reformulation mechanism to update the latent representation of the compound question with updated graph nodes. We evaluate the proposed model on the HotpotQA dataset and achieve top competitive performance in distractor setting compared with other published models. Further analysis shows that the asynchronous update mechanism can effectively form interpretable reasoning chains at different granularity levels.
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Muhammad Yasin, Muhammad Yazuwan Sallij, Ir Suhana Muhammad, Wan Fatin Izyan Wan Mohd Zamri und Shahrul Nizam Mohd Radzi. „Top-Down Approach to Area Development Plan Maturation“. In SPE Annual Technical Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/206054-ms.
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Abstract In maturing an Area Development Plan (ADP), most of the data used are incomplete, too fragmented, or sometime due to time constraint; need to be deduced down to assumptions. Due to this fact, an ADP is bound to have updates, even during the course of maturing it. This is where the issue starts. Since the conventional approach is "bottom-up", room to accommodate changes is limited; at times require the whole proposal to be reworked. This is because it focuses on getting the best development concept for a given field first before rolling it up to study the network/interrelationship between fields. A "top-down" approach in maturing an ADP intends to better assist any given team to be agile whilst focusing on value added solutions from a strategic bird's eye point of view. The approach in discussion was adopted and tested to a regional ADP study in year 2020 which initially involves more than 1000 fields (discovered, prospects, and leads). This approach allows for any changes throughout the course of maturing the ADP because, its main focus is to get the best network/interrelationship between fields first, before focusing on the development concept of each of the fields. Other benefits that can be observed by adopting the approach in discussion is a shorter study duration. Based on the case study, the study duration was reduced from 10 months to 6.5 months. With shorter duration too, can help the Company in better manage its manpower resources to focus on things that matters.
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S., Khashimov, Nuritdinov N. D., Makhamadzhanov I. und Ergasheva S. „CREATION OF A MATHEMATICAL MODEL OF THE TECHNOLOGICAL PROCESS OF CLEANING COTTON FROM FINE PARTICLES AND DUST“. In Mechanical Science and Technology Update. Omsk State Technical University, 2022. http://dx.doi.org/10.25206/978-5-8149-3453-6-2022-244-251.
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Due to the fact that Uzbekistan has chosen a digital economy in its development strategy, it is necessary to modernize agriculture, digitalization, and develop technologies based on the production of highquality fiber at cotton spinning mills. In addition, a radical new approach to the operation of ginneries, the use of modern information technologies to eliminate contaminants in cotton through mathematical modeling and software to determine the optimal parameters of ginning equipment to improve fiber quality. This article describes a mathematical model for determining the parameters necessary for the normal operation of the considered cotton gin, on the basis of which a computational experiment was carried out and the values of the parameters were determined. The article developed a mathematical model of the movement of a piece of cotton on the surface of a vibrating mesh (separator), taking into account the factors affecting the process of cleaning cotton from small impurities and its application. Experimental studies were carried out on the basis of the developed program and methodology for determining the normal values of parameters that affect the efficient operation of the cotton gin device. Finally, by calculating the parameters of the device using the compiled programs and the computational experiment, results are obtained in which the lighting operations are displayed graphically in an appropriate way.
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Choi, Hangbok, und Joshua Stone. „Changes to Sustainability of Uranium Carbide Fuel for a Long-Burn Fast Reactor Core“. In ASME 2014 Small Modular Reactors Symposium. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/smr2014-3369.
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Advanced reactor concepts such as Generation-IV (Gen-IV) have been studied to fulfill the ambitious long term goals of developing a safe, sustainable, reliable, proliferation-resistant and economic nuclear energy system. The gas-cooled fast reactor (GFR) is a Gen-IV candidate for which a carbide fuel (UC, (U,Pu)C, ThC) has desirable properties in a fuel system using ceramic (SiC) cladding. This study reviews advanced fuel concepts and associated fabrication methods for a GFR, followed by available carbide fuel property data, update of fuel performance code, and assessment of the fuel performance analysis model based on irradiation test results in the Fast Flux Test Facility. The purpose of this study is to develop a fuel performance code for the design and analysis of carbide fuel and to verify the implementation of fuel property models using earlier fuel irradiation tests jointly conducted by US and Switzerland. The comparison of carbide fuel simulation results to the experimental data shows differences in the prediction of fuel temperature and swelling. Considering the limitation and uncertainty of the existing material property data, the results obtained from the updated fuel performance code indicate that more work is required to adjust and update some of the carbide fuel material property models. In the future, the coolant model will also be updated for the flexibility of code application to various advanced fuel analyses. In the long term, the code will be used for the evaluation of advanced carbide fuel with ceramic cladding and the simulation of carbide fuel irradiation tests.
Berichte der Organisationen zum Thema "Fact based updates"
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Wezeman, Pieter D., Aude Fleurant, Alexandra Kuimova, Nan Tian und Siemon T. Wezeman. Trends in International Arms Transfers, 2017. Stockholm International Peace Research Institute, März 2018. http://dx.doi.org/10.55163/kflq6518.
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The volume of international transfers of major weapons in 2013–17 was 10 per cent higher than in 2008–12. This is a continuation of the upward trend that began in the early 2000s. The flow of arms to the Middle East and Asia and Oceania increased between 2008–12 and 2013–17, while there was a decrease in the flow to the Americas, Africa and Europe. The SIPRI Arms Transfers Database now includes data on arms transfers in 2017 and updated information for 1950–2016. This Fact Sheet highlights some of the key global and regional trends and issues in arms transfers based on the new data.
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Tian, Nan, Siemon T. Wezeman, Pieter D. Wezeman, Aude Fleurant und Alexandra Kuimova. Trends in International Arms Transfers, 2018. Stockholm International Peace Research Institute, März 2019. http://dx.doi.org/10.55163/sxak9616.
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The volume of international transfers of major arms in 2014–18 was 7.8 per cent higher than in 2009–13 and 23 per cent higher than in 2004–2008. The five largest exporters in 2014–18 were the United States, Russia, France, Germany and China. The five largest importers were Saudi Arabia, India, Egypt, Australia and Algeria. The flow of arms to the Middle East increased by 87 per cent between 2009–13 and 2014–18, while there was a decrease in flows to all other regions. From 11 March 2019 the freely accessible SIPRI Arms Transfers Database includes updated data on arms transfers for 1950–2018. Based on the new data, this Fact Sheet highlights global and regional trends and selected issues related to arms transfers.
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Wezeman, Pieter, Aude Fleurant, Alexandra Kuimova, Diego Lopes da Silva, Nan Tian und Siemon Wezeman. Trends in International Arms Transfers, 2019. Stockholm International Peace Research Institute, März 2022. http://dx.doi.org/10.55163/yjyw4676.
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The volume of international transfers of major arms in 2015–19 was 5.5 per cent higher than in 2010–14 and 20 per cent higher than in 2005–2009. The five largest exporters in 2015–19 were the United States, Russia, France, Germany and China. The five largest importers were Saudi Arabia, India, Egypt, Australia and China. Between 2010–14 and 2015–19, there were increases in arms transfers to the Middle East and to Europe, while there were decreases in the transfers to Africa, the Americas and Asia and Oceania. From 9 March 2020 the freely accessible SIPRI Arms Transfers Database includes updated data on arms transfers for 1950–2019. Based on the new data, this Fact Sheet presents global trends in arms exports and arms imports and highlights selected issues related to arms transfers.
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Wezeman, Pieter, Alexandra Kuimova und Siemon Wezeman. Trends in International Arms Transfers, 2020. Stockholm International Peace Research Institute, März 2021. http://dx.doi.org/10.55163/mbxq1526.
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The volume of international transfers of major arms in 2016–20 was 0.5 per cent lower than in 2011–15 and 12 per cent higher than in 2006–10. The five largest arms exporters in 2016–20 were the United States, Russia, France, Germany and China. The five largest arms importers were Saudi Arabia, India, Egypt, Australia and China. Between 2011–15 and 2016–20 there were increases in arms transfers to the Middle East and to Europe, while there were decreases in the transfers to Africa, the Americas, and Asia and Oceania. From 15 March 2021 SIPRI’s open-access Arms Transfers Database includes updated data on transfers of major arms for 1950–2020, which replaces all previous data on arms transfers published by SIPRI. Based on the new data, this Fact Sheet presents global trends in arms exports and arms imports, and highlights selected issues related to transfers of major arms.
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Wezeman, Pieter D., Alexandra Kuimova und Siemon T. Wezeman. Trends in International Arms Transfers, 2021. Stockholm International Peace Research Institute, März 2022. http://dx.doi.org/10.55163/cbzj9986.
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The volume of international transfers of major arms in 2017–21 was 4.6 per cent lower than in 2012–16, but was 3.9 per cent higher than in 2007–11. The five largest arms exporters in 2017–21 were the United States, Russia, France, China and Germany. The five largest arms importers were India, Saudi Arabia, Egypt, Australia and China. Between 2012–16 and 2017–21 there were increases in arms transfers to Europe (19 per cent) and to the Middle East (2.8 per cent), while there were decreases in the transfers to the Americas (–36 per cent), Africa (–34 per cent), and Asia and Oceania (–4.7 per cent). From 14 March 2022 SIPRI’s open-access Arms Transfers Database includes updated data on transfers of major arms for 1950–2021, which replaces all previous data on arms transfers published by SIPRI. Based on the new data, this Fact Sheet presents global trends in arms exports and arms imports, and highlights selected issues related to transfers of major arms.
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TITOVA, E. HISTORIOGRAPHIC REVIEW ON THE TOPIC OF THE STUDY OF MIGRATION PROCESSES IN THE RUSSIAN FAR EAST AT THE BEGINNING OF THE XXI CENTURY. Science and Innovation Center Publishing House, 2021. http://dx.doi.org/10.12731/2077-1770-2021-13-4-2-34-53.
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The article provides an overview of scientific research on the study of migration processes in the Far Eastern regions. The problems of migration, the state mechanism for regulating migration issues, and the peculiarities of interethnic interactions are very topical topics not only at the regional, but also at the national level. In the Russian Federation, studies on these topics have appeared relatively recently. Due to the fact that at the end of the 20th century there was a surge in the ethnic self-awareness of the peoples of the country, together with the intensification of socio-economic transformation processes, there are sharp, often radical, changes in the field of interethnic interactions, in particular, the growth of armed interethnic conflicts, an increase in migration outflows or inflows. etc. Modern scientific research in the field of migration processes is practice-oriented, that is, they are aimed at the implementation of narrow applied problems, there is also an increase in the accumulation of an updated extensive theoretical and methodological base. In particular, studies, for example, concerning the topic of interethnic interactions, are directly related to the topic of ethnic tolerance, which has also become very popular and in demand in the last decade for specialists from various scientific fields - psychologists, ethnographers, lawyers, etc.
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Solaun, Kepa, Gerard Alleng, Adrián Flores, Chiquita Resomardono, Katharina Hess und Helena Antich. State of the Climate Report: Suriname. Inter-American Development Bank, Juli 2021. http://dx.doi.org/10.18235/0003398.
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Suriname is highly vulnerable to the effects of climate change. Among the factors that exacerbate its vulnerability are its dependency on fossil fuels, the degradation of important ecosystems (e.g., mangroves), and the fact that 87% of the population, and most of the countrys economic activity is located within the low-lying coastal area. Many sectors are at risk of suffering losses and damage caused by gradual changes and extreme events related to climate change. For Suriname to develop sustainably, it should incorporate climate change and its effects into its decision-making process based on scientific- evidence. The State of the Climate Report analyzes Surinames historical climate (1990-2014) and provides climate projections for three time horizons (2020-2044, 2045-2069, 2070-2094) through two emissions scenarios (intermediate/ SSP2-4.5 and severe/ SSP5-8.5). The analysis focuses on changes in sea level, temperature, precipitation, relative humidity, and winds for the seven subnational locations of Paramaribo, Albina, Bigi Pan MUMA, Brokopondo, Kwamalasamutu, Tafelberg Natural Reserve, and Upper Tapanahony. The Report also analyzes climate risk for the countrys ten districts by examining the factors which increase their exposure and vulnerability on the four most important sectors affected by climate change: infrastructure, agriculture, water, and forestry, as well as examining the effects across the sectors. The State of the Climate Report provides essential inputs for Suriname to develop and update its climate change policies and targets. These policies and targets should enable an adequate mainstreaming of climate change adaptation and resilience enhancementinto day-to-day government operations. It is expected that the Report will catalyze similar efforts in the future to improve decision-making by providing science-based evidence.
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Nolan, Brian, Brenda Gannon, Richard Layte, Dorothy Watson, Christopher T. Whelan und James Williams. Monitoring Poverty Trends in Ireland: Results from the 2000 Living in Ireland survey. ESRI, Juli 2002. http://dx.doi.org/10.26504/prs45.
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This study is the latest in a series monitoring the evolution of poverty, based on data gathered by The ESRI in the Living in Ireland Surveys since 1994. These have allowed progress towards achieving the targets set out in the National Anti Poverty Strategy since 1997 to be assessed. The present study provides an updated picture using results from the 2000 round of the Living in Ireland survey. The numbers interviewed in the 2000 Living in Ireland survey were enhanced substantially, to compensate for attrition in the panel survey since it commenced in 1994. Individual interviews were conducted with 8,056 respondents. Relative income poverty lines do not on their own provide a satisfactory measure of exclusion due to lack of resources, but do nonetheless produce important key indicators of medium to long-term background trends. The numbers falling below relative income poverty lines were most often higher in 2000 than in 1997 or 1994. The income gap for those falling below these thresholds also increased. By contrast, the percentage of persons falling below income lines indexed only to prices (rather than average income) since 1994 or 1997 fell sharply, reflecting the pronounced real income growth throughout the distribution between then and 2000. This contrast points to the fundamental factors at work over this highly unusual period: unemployment fell very sharply and substantial real income growth was seen throughout the distribution, including social welfare payments, but these lagged behind income from work and property so social welfare recipients were more likely to fall below thresholds linked to average income. The study shows an increasing probability of falling below key relative income thresholds for single person households, those affected by illness or disability, and for those who are aged 65 or over - many of whom rely on social welfare support. Those in households where the reference person is unemployed still face a relatively high risk of falling below the income thresholds but continue to decline as a proportion of all those below the lines. Women face a higher risk of falling below those lines than men, but this gap was marked among the elderly. The study shows a marked decline in deprivation levels across different household types. As a result consistent poverty, that is the numbers both below relative income poverty lines and experiencing basic deprivation, also declined sharply. Those living in households comprising one adult with children continue to face a particularly high risk of consistent poverty, followed by those in families with two adults and four or more children. The percentage of adults in households below 70 per cent of median income and experiencing basic deprivation was seen to have fallen from 9 per cent in 1997 to about 4 per cent, while the percentage of children in such households fell from 15 per cent to 8 per cent. Women aged 65 or over faced a significantly higher risk of consistent poverty than men of that age. Up to 2000, the set of eight basic deprivation items included in the measure of consistent poverty were unchanged, so it was important to assess whether they were still capturing what would be widely seen as generalised deprivation. Factor analysis suggested that the structuring of deprivation items into the different dimensions has remained remarkably stable over time. Combining low income with the original set of basic deprivation indicators did still appear to identify a set of households experiencing generalised deprivation as a result of prolonged constraints in terms of command over resources, and distinguished from those experiencing other types of deprivation. However, on its own this does not tell the whole story - like purely relative income measures - nor does it necessarily remain the most appropriate set of indicators looking forward. Finally, it is argued that it would now be appropriate to expand the range of monitoring tools to include alternative poverty measures incorporating income and deprivation. Levels of deprivation for some of the items included in the original basic set were so low by 2000 that further progress will be difficult to capture empirically. This represents a remarkable achievement in a short space of time, but poverty is invariably reconstituted in terms of new and emerging social needs in a context of higher societal living standards and expectations. An alternative set of basic deprivation indicators and measure of consistent poverty is presented, which would be more likely to capture key trends over the next number of years. This has implications for the approach adopted in monitoring the National Anti-Poverty Strategy. Monitoring over the period to 2007 should take a broader focus than the consistent poverty measure as constructed to date, with attention also paid to both relative income and to consistent poverty with the amended set of indicators identified here.