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Literatura académica sobre el tema "RMIS"

Autor: Grafiati

Publicado: 11 de marzo de 2023

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Artículos de revistas sobre el tema "RMIS"

Maltry, Marcel y Jens Dittrich. "A critical analysis of recursive model indexes". Proceedings of the VLDB Endowment 15, n.º 5 (enero de 2022): 1079–91. http://dx.doi.org/10.14778/3510397.3510405.

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The recursive model index (RMI) has recently been introduced as a machine-learned replacement for traditional indexes over sorted data, achieving remarkably fast lookups. Follow-up work focused on explaining RMI's performance and automatically configuring RMIs through enumeration. Unfortunately, configuring RMIs involves setting several hyperparameters, the enumeration of which is often too time-consuming in practice. Therefore, in this work, we conduct the first inventor-independent broad analysis of RMIs with the goal of understanding the impact of each hyperparameter on performance. In particular, we show that in addition to model types and layer size, error bounds and search algorithms must be considered to achieve the best possible performance. Based on our findings, we develop a simple-to-follow guideline for configuring RMIs. We evaluate our guideline by comparing the resulting RMIs with a number of state-of-the-art indexes, both learned and traditional. We show that our simple guideline is sufficient to achieve competitive performance with other learned indexes and RMIs whose configuration was determined using an expensive enumeration procedure. In addition, while carefully reimplementing RMIs, we are able to improve the build time by 2.5x to 6.3x.

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Ahrens, Bodo y André Walser. "Information-Based Skill Scores for Probabilistic Forecasts". Monthly Weather Review 136, n.º 1 (1 de enero de 2008): 352–63. http://dx.doi.org/10.1175/2007mwr1931.1.

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Abstract The information content, that is, the predictive capability, of a forecast system is often quantified with skill scores. This paper introduces two ranked mutual information skill (RMIS) scores, RMISO and RMISY, for the evaluation of probabilistic forecasts. These scores are based on the concept of mutual information of random variables as developed in information theory. Like the ranked probability skill score (RPSS)—another and often applied skill score—the new scores compare cumulative probabilities for multiple event thresholds. The RMISO quantifies the fraction of information in the observational data that is explained by the forecasts. The RMISY quantifies the amount of useful information in the forecasts. Like the RPSS, the new scores are biased, but they can be debiased with a simple and robust method. This and additional promising characteristics of the scores are discussed with ensemble forecast assessment experiments.

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Abdalla, Nabil, Robert Piórkowski, Paweł Stanirowski, Krzysztof Cendrowski y Włodzimierz Sawicki. "Can Replacing CA125 with HE4 in Risk of Malignancy Indices 1–4 Improve Diagnostic Performance in the Presurgical Assessment of Adnexal Tumors?" BioMed Research International 2017 (2017): 1–12. http://dx.doi.org/10.1155/2017/6712376.

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Aims. To assess whether replacing CA125 with HE4 in the classical formulas of risk of malignancy indices (RMIs) can improve diagnostic performance. Methods. For each of 312 patients with an adnexal mass, classical RMIs 1–4 were computed based on ultrasound score, menopausal status, and serum CA125 levels. Additionally, modified RMIs (mRMIs) 1–4 were recalculated by replacing CA125 with HE4. Results. Malignant pathology was diagnosed in 52 patients (16.67%). There was no significant difference in diagnostic performance (area under the receiver operating characteristic curve [AUC]) between each classical RMI and its corresponding mRMI. In the entire sample, the AUC was 0.899, 0.900, 0.895, and 0.908 for classical RMIs 1–4 compared to 0.903, 0.929, 0.930, and 0.931 for mRMIs 1–4. In premenopausal patients, the AUC was 0.818, 0.798, 0.795, and 0.802 for classical RMIs 1–4 compared to 0.839, 0.875, 0.876, and 0.856 for mRMIs 1–4. In postmenopausal patients, the AUC was 0.906, 0.895, 0.896, and 0.906 for classical RMIs 1–4 compared to 0.907, 0.923, 0.924, and 0.930 for mRMI 1–4. Conclusions. Use of HE4 instead of CA125 did not significantly improve diagnostic performance of RMIs 1–4 in patients with an adnexal mass.

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Quintana, Rolando y Ivan Pawlowitz. "A Time-Interval Analysis of Repetitive Motion Injuries in a Sorting Facility". Proceedings of the Human Factors and Ergonomics Society Annual Meeting 42, n.º 15 (octubre de 1998): 1113–16. http://dx.doi.org/10.1177/154193129804201512.

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This paper documents research into repetitive motion injuries (RMIs) occurring at a used garment sorting facility, with a focus on the Poisson distribution model and associated time interval analysis. Time interval analysis is used to confirm existence of a Poisson process. The Poisson process and distribution is then implemented to model the occurrence of RMIs at the target facility, as well as employed in a proactive effort to track and reduce RMIs. As a major player within this labor-intensive industry, the industrial partner experiences a significant number of repetitive motion injuries (RMIs). Analysis is provided on the Poisson process, and the salient RMI risk factors and ergonomic principles that might affect application of the Poisson distribution model. This paper also reviews proposed methodologies for collecting RMI risk factor data, tracking RMI accident or “incident” data, gathering population-specific anthropometric data, and developing RMI hazard reduction strategies. The Poisson model is presented as a structured methodology for the prediction and control of repetitive motion injuries.

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Li, Kun, Shuai Ji, Guojun Niu, Yue Ai, Bo Pan y Yili Fu. "Master-slave control and evaluation of force sensing for robot-assisted minimally invasive surgery". Industrial Robot: the international journal of robotics research and application 47, n.º 6 (14 de agosto de 2020): 903–14. http://dx.doi.org/10.1108/ir-02-2020-0034.

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Purpose Existing robot-assisted minimally invasive surgery (RMIS) system lacks of force feedback, and it cannot provide the surgeon with interaction forces between the surgical instruments and patient’s tissues. This paper aims to restore force sensation for the RMIS system and evaluate effect of force sensing in a master-slave manner. Design/methodology/approach This paper presents a four-DOF surgical instrument with modular joints and six-axis force sensing capability and proposes an incremental position mode master–slave control strategy based on separated position and orientation to reflect motion of the end of master manipulator to the end of surgical instrument. Ex-vivo experiments including tissue palpation and blunt dissection are conducted to verify the effect of force sensing for the surgical instrument. An experiment of trajectory tracking is carried out to test precision of the control strategy. Findings Results of trajectory tracking experiment show that this control strategy can precisely reflect the hand motion of the operator, and the results of the ex-vivo experiments including tissue palpation and blunt dissection illustrate that this surgical instrument can measure the six-axis interaction forces successfully for the RMIS. Originality/value This paper addresses the important role of force sensing and force feedback in RMIS, clarifies the feasibility to apply this instrument prototype in RMIS for force sensing and provides technical support of force feedback for further clinical application.

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Cho, Ara, In Kyung Min, Seungkyun Hong, Hyun Soo Chung, Hyun Sim Lee y Ji Hoon Kim. "Effect of Applying a Real-Time Medical Record Input Assistance System With Voice Artificial Intelligence on Triage Task Performance in the Emergency Department: Prospective Interventional Study". JMIR Medical Informatics 10, n.º 8 (31 de agosto de 2022): e39892. http://dx.doi.org/10.2196/39892.

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Background Natural language processing has been established as an important tool when using unstructured text data; however, most studies in the medical field have been limited to a retrospective analysis of text entered manually by humans. Little research has focused on applying natural language processing to the conversion of raw voice data generated in the clinical field into text using speech-to-text algorithms. Objective In this study, we investigated the promptness and reliability of a real-time medical record input assistance system with voice artificial intelligence (RMIS-AI) and compared it to the manual method for triage tasks in the emergency department. Methods From June 4, 2021, to September 12, 2021, RMIS-AI, using a machine learning engine trained with 1717 triage cases over 6 months, was prospectively applied in clinical practice in a triage unit. We analyzed a total of 1063 triage tasks performed by 19 triage nurses who agreed to participate. The primary outcome was the time for participants to perform the triage task. Results The median time for participants to perform the triage task was 204 (IQR 155, 277) seconds by RMIS-AI and 231 (IQR 180, 313) seconds using manual method; this difference was statistically significant (P<.001). Most variables required for entry in the triage note showed a higher record completion rate by the manual method, but in the recording of additional chief concerns and past medical history, RMIS-AI showed a higher record completion rate than the manual method. Categorical variables entered by RMIS-AI showed less accuracy compared with continuous variables, such as vital signs. Conclusions RMIS-AI improves the promptness in performing triage tasks as compared to using the manual input method. However, to make it a reliable alternative to the conventional method, technical supplementation and additional research should be pursued.

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Velkova, Maria, Nicola Silva, Maria Rosaria Dello Stritto, Alexander Schleiffer, Pierre Barraud, Markus Hartl y Verena Jantsch. "Caenorhabditis elegans RMI2 functional homolog-2 (RMIF-2) and RMI1 (RMH-1) have both overlapping and distinct meiotic functions within the BTR complex". PLOS Genetics 17, n.º 7 (12 de julio de 2021): e1009663. http://dx.doi.org/10.1371/journal.pgen.1009663.

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Homologous recombination is a high-fidelity repair pathway for DNA double-strand breaks employed during both mitotic and meiotic cell divisions. Such repair can lead to genetic exchange, originating from crossover (CO) generation. In mitosis, COs are suppressed to prevent sister chromatid exchange. Here, the BTR complex, consisting of the Bloom helicase (HIM-6 in worms), topoisomerase 3 (TOP-3), and the RMI1 (RMH-1 and RMH-2) and RMI2 scaffolding proteins, is essential for dismantling joint DNA molecules to form non-crossovers (NCOs) via decatenation. In contrast, in meiosis COs are essential for accurate chromosome segregation and the BTR complex plays distinct roles in CO and NCO generation at different steps in meiotic recombination. RMI2 stabilizes the RMI1 scaffolding protein, and lack of RMI2 in mitosis leads to elevated sister chromatid exchange, as observed upon RMI1 knockdown. However, much less is known about the involvement of RMI2 in meiotic recombination. So far, RMI2 homologs have been found in vertebrates and plants, but not in lower organisms such as Drosophila, yeast, or worms. We report the identification of the Caenorhabditis elegans functional homolog of RMI2, which we named RMIF-2. The protein shows a dynamic localization pattern to recombination foci during meiotic prophase I and concentration into recombination foci is mutually dependent on other BTR complex proteins. Comparative analysis of the rmif-2 and rmh-1 phenotypes revealed numerous commonalities, including in regulating CO formation and directing COs toward chromosome arms. Surprisingly, the prevalence of heterologous recombination was several fold lower in the rmif-2 mutant, suggesting that RMIF-2 may be dispensable or less strictly required for some BTR complex-mediated activities during meiosis.

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Napitupulu, Siti Maimunah, Keulana Erwin y Muammar Khadafi. "The Influence of Human Resource Competence, Implementation of Regional Management Information Systems and Organizational Commitment on the Performance of the Treasurer Performance on Regional Apparatus Organizational Expenditures with Ease of Use of Information Systems as Moderating Variables in the Government of Serdang Bedagai Regency". International Journal of Research and Review 8, n.º 5 (21 de mayo de 2021): 126–37. http://dx.doi.org/10.52403/ijrr.20210519.

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This study aims to examine and analyze whether human resource competence, implementation of regional management information systems (RMIS), and organizational commitment affect treasurer performance of regional apparatus organizational expenditures with ease of use of information systems as a moderating variable in the government of Serdang Bedagai Regency. The research used in this research is associative causality research using primary data. The sampling method is the census method by giving a questionnaire to the Treasurer of Expenditure Organization of the Regional Government of Serdang Bedagai Regency. The hypothesis testing method uses Partial Least Squares (PLS). The results showed that human resource competence and organizational commitment had a positive and significant effect on the treasurer performance of regional apparatus organizational expenditures. The implementation of RMIS had a positive and no significant effect on the treasurer performance of regional apparatus organizational expenditures in the Serdang Bedagai Regency. The variable ease of use of the information system can moderate the influence of human resource competence on the treasurer performance of regional apparatus organizational expenditures in the Serdang Bedagai Regency. However, it cannot moderate the effect of the implementation of RMIS and organizational commitment on the treasurer performance of regional apparatus organizational expenditures in the Serdang Bedagai Regency. Keywords: Human Resources Competence, Implementation of RMIS, Organizational Commitment, Ease of Use of Information Systems.

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Sun, Yilun, Lingji Xu, Dingzhi Zhang y Tim C. Lueth. "Automatic synthesis of compliant forceps for robot-assisted minimally invasive surgery". at - Automatisierungstechnik 68, n.º 11 (26 de noviembre de 2020): 922–32. http://dx.doi.org/10.1515/auto-2020-0084.

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AbstractDue to its monolithic structure and high dexterity, the compliant mechanism becomes an emerging solution to miniaturize surgical forceps for minimally invasive procedures. However, it is complicated and inefficient to use traditional rigid-link-based kinematic method to synthesize compliant forceps. In this paper, we present a topology-optimization-based method to automatically synthesize compliant forceps for robot-assisted minimally invasive surgery (RMIS). The basic geometry modeling tool and the automatic synthesis algorithm were both implemented in Matlab. Several synthesis examples were presented to show the performance of the proposed method. The realized forceps and a continuum manipulator have been constructed and 3D-printed, which demonstrated the application of the automatic synthesis method in RMIS.

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Zia, Aneeq y Irfan Essa. "Automated surgical skill assessment in RMIS training". International Journal of Computer Assisted Radiology and Surgery 13, n.º 5 (16 de marzo de 2018): 731–39. http://dx.doi.org/10.1007/s11548-018-1735-5.

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Tesis sobre el tema "RMIS"

Pitko, Erik. "Převodník mezi protokoly Modbus-RTU a Modbus-TCP". Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2021. http://www.nusl.cz/ntk/nusl-445515.

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The main objective of this work is to inform the reader of the communication protocols Modbus TCP and Modbus RTU and create an embedded device based on the microprocessor STM32 capable of conversion between Modbus RTU and Modbus TCP protocols. The device should be capable of simple first run configuration with simple user interface.

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Silva, Francisco de Assis Tavares Ferreira. "Rede morfológica não-supervisionada-RMNS". Instituto Nacional de Pesquisas Espaciais (INPE), 1998. http://urlib.net/dpi.inpe.br/lise/2003/01.16.09.15.

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Este trabalho propõe um novo paradigma de Rede Neural Artificial (RNA): A Rede Morfológica Não-Supervisionada (RMNS), caracterizada por aprendizagem não-supervisionada. Este paradigma pertence a uma classe de redes invariantes a translação e está baseada na Morfologia Matemática (MM), e nos modelos de rede ART de Carpenter e Grossberg, e na rede de Kohonen. Em tempo de ativação, o operador de casamento é implementado utilizando os operadores elementares da MM. Este operador propicia detecção de padrões robusta em relação a ruídos aditivos ou subtrativos, e/ou pequenas rotações dos padrões a serem reconhecidos. No que concerne ao treinamento, a RMNS utiliza uma variação da regra de aprendizagem de Kohonen, e um sistema de reset inspirado no modelo ART proposto por Carpenter e Grossberg.
This work proposes a new paradigm of Artificial Neural Net (RNA): The Unsupervised Morphologic Net (RMNS), characterized by unsupervised learning. This paradigm belongs to a class of translation invariant nets and it is based on of Mathematical Morphology (MM), Carpenter and Grossberg's ART, and Kohonen net models. At activation time, the template matching operator is implemented using translation invariant MM elementary operators. This operator propitiates a robust pattern detection with respect to addictive or subtractive noise, and/or for small rotations of the patterns to be recognized. In what it concerns to the training, the RMNS uses a Kohonen learning rule variation and a reset system inspired in the ART model proposed by Carpenter and Grossberg.

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Souza, Fernando de Oliveira y Reinaldo Martinez Palhares. "Métodos de análise da robustez de redes neurais artificiais sujeitas a retardo no tempo". Universidade Federal de Minas Gerais, 2005. http://hdl.handle.net/1843/RMPS-6JTHS8.

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This work presents sufficient conditions for analysis of asymptotic and exponential stability of a class of artificial neural network (ANN) subject to constant or timevarying delays and polytope-bounded uncertainties.The approaches proposed is the type of delay-dependent and the methodology is based on four points: the selection of slack matrices that express the influence of the Newton-Leibniz condition; the appropriate definition of Lyapunov-Krasovskii functionals; the use of linear matrix inequalities (LMIs) and the use of tools of convex optimization to solve problems described in LMI terms. Several examples are presented that corroborate with the theory presented of analysis of the stability of ANN with time-varying delay.
Este trabalho apresenta condições suficientes para análise de estabilidade assintótica e exponencial de uma classe de RNAs (Redes Neurais Artificiais) sujeitas a influência de retardo no tempo (constante ou variante) e/ou sujeitas a incertezas paramétricas do tipo politópicas.A abordagem apresentada é do tipo dependente do retardo, sendo que a metodologia é baseada: no uso de matrizes de relaxação para expressar a influência dos termos da fórmula de Leibniz-Newton; definição apropriada de funcionais do tipo Lyapunov-Krasovskii; desigualdades matriciais lineares (LMIs - do inglês, Linear Matrix Inequalities) e ferramentas de otimização convexa para solucionarproblemas formulados em termos de LMIs. Vários exemplos são apresentados, que corroboram com a teoria apresentada de análise de estabilidade de RNA com retardo no tempo.

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TROVER, WILLIAM F. "RMPS A REALTIME PARALLEL COMPUTING SYSTEM". International Foundation for Telemetering, 1985. http://hdl.handle.net/10150/615553.

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International Telemetering Conference Proceedings / October 28-31, 1985 / Riviera Hotel, Las Vegas, Nevada
Research and Test Activities have a continuing need to cope with more and more channels of data and at continually wider data bandwidths. There is a consensus in the test community that compressed EU and derived parameter data presented in realtime can significantly reduce total test costs because test engineers can make realtime judgements on the validity of a given test point (mode). Classical telemetry preprocessors usually cannot handle these more demanding realtime processing requirements because, when they were designed, it was assumed that raw data was in a single PCM word and only a simple mx+b EU conversion, or simple data compression was required. Present preprocessors typically use special bit slice technology to speed up the realtime process and they’re only one or two bus systems whose processing capacity is typically less than 300k to 400k parameters per second. Furthermore, many cannot handle word concatenation (except for adjacent PCM words) and none can handle complex derived parameters such as thrust, lift, gross weight, center of gravity, stall speed, harmonic analysis, etc. To address these limitations, a massively parallel computer system has been developed based on up to sixty, general purpose, 1MFLOP floating point computers operating in parallel to support realtime processing of any type, at aggregate throughputs up to 1.5 Mwps. This system can merge realtime data from up to eight different asynchronous sources having word rates up to 2.0 Mwps from any source. Up to 32,768 different parameters can be accepted as inputs with an additional 32,768 ID tags available for concatenated and derived parameter identification. A powerful realtime software package permits the user of the computer system to apply any, or many algorithms) to any or an parameters being processed.

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Srivastava, Manoj. "SECURITY OVERLAY FOR RMI". NCSU, 2001. http://www.lib.ncsu.edu/theses/available/etd-20011106-220340.

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Distributed object computing refers to allowing objects to be distributed across a network. These objects may be distributed across a number of different computers and across networks.This thesis presents a popular distributed object architecture, Remote Method Invocation (RMI). As RMI works on a Java framework, it provides the same features Java provides. Its portability, ability to transport objects as a whole, and power to connect to existing as well as legacy systems makes a strong choice amongst other competing technologies. Needless to say, the transport of objects across systems brings along with it the necessity for a strong security framework.The Secure Sockets Layer (SSL) is a widely popular protocol that currently provides the secure framework RMI needs. Most e-commerce applications these days run over SSL. However, SSL may not the right choice for every application requiring a security backbone. The motivation behind this thesis lies in this thought. The Secure Remote Password Protocol (SRP) provides a secure, simple and fast approach for providing client authentication. An attempt has been made to build a new infrastructure using SRP. The infrastructure that has been developed can provide authentication and privacy, as well as maintain message integrity. One such application domain is mobile computing. In this era where data is required to be accessible from anywhere and everywhere, mobile computing is a growing area. Again, due to the use of mobile agents in this area, security plays an important role. The security mechanism provided needs to be fast and simple and at the same time provide strong security. The new security overlay developed has been proposed as a possible solution.

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Ashton, Thomas M. "An analysis of the S. cerevisiae RMI1 gene". Thesis, University of Oxford, 2010. http://ora.ox.ac.uk/objects/uuid:c7eb3259-ae8b-4557-9af2-7ca6b7fa5385.

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The Saccharomyces cerevisiae Rmi1 protein is a component of the highly conserved Sgs1-Top3-Rmi1 complex, which is required for the maintenance of genome stability. The rmi1Δ deletion mutant has proven difficult to study because it exhibits very poor growth, and rapidly accumulates second site suppressor mutations. Furthermore, deletion of the putative HJ resolvase genes, MUS81-MUS81 or SLX1-SLX4 in rmi1Δ mutants causes synthetic lethality. In order to study phenotypes caused by loss of functional Rmi1, and to explore the genetic interactions between RMI1 and the MUS81, MUS81, SLX1 and SLX4 genes, a temperature sensitive mutant of RMI1 was isolated, named rmi1-1. Similar to rmi1Δ deletion mutants, rmi1-1 cells are highly sensitive to the DNA damaging agent, MMS and the replication inhibitor, HU. In addition, rmi1-1 mutants accumulate replication-associated branched DNA structures, and arrest in G₂/M after a transient exposure to MMS. These cells are proficient in DNA damage checkpoint activation. Deletion of SLX1, SLX4, MUS81 or MUS81 in the rmi1-1 strain causes synthetic lethality, which is associated with cell cycle defects. Following a transient exposure to MMS, rmi1-1 mutants accumulate homologous recombination intermediates. These intermediates are slowly resolved at the restrictive temperature, revealing a redundant resolution activity in the absence of functional Rmi1. This resolution depends upon Mus81-Mms4, but not on Slx1-Slx4 or Yen1. I propose that while the Sgs1-Top3-Rmi1 complex constitutes the main pathway for removal of homologous recombination intermediates following a perturbed S-phase, Mus81-Mms4 can act as a back up for resolution of these intermediates, which most likely represent double Holliday junctions. In this study, I also present screens for high copy suppressors of rmi1-1 phenotypes, and for novel Rmi1 interaction partners.

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Ahern, Alexander Joseph. "Code mobility and Java RMI". Thesis, Imperial College London, 2006. http://hdl.handle.net/10044/1/8700.

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Rühl, Maximilian. "Prozessmodellierung von Reaktiv-Multischicht-Systemen (RMS)". Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-198818.

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The focus of this work is the theoretical and experimentell descreption of so-called Reactive Multilayer Systems (RMS). The RMS consist of at least two mostly metallic materials, which can exothermic response with each other. Using magnetron sputter deposition (MSD) several hundred to thousands alternating layers are produced. The periodic thickness varies between 10-150 nm and the total thickness between 10-100 µ m . The exotermic reaction is effected by an activation energy, e.g. with an electric spark. In this case a phase transition of the RMS materials, which are in a metastable equilibrium, will take place. This released energy in the shape of heat, which actvates the reaction in the neighboring areas. It forms a self-sustaining thermal wave through the RMS foil. In this case the amount of energy is present, that a solder on the RMS or the joining samples or even the material itself can be melted. Therefore the RMS can be used as a heat source for joining two components. The major advantage of this technology is the very low heat input in the bonding components, due to the milliseconds of the reaction. Thus the components are heated only superfical and there is no structural damage. Thus a very low-stress joining is possible. Furthermore is guaranteed, because of the metallic materials, a very high electrical and thermal conductivity. For the theoretical characterization of the physical and chemical processes within the RMS FEM-Simulations of the absolut temperature and the propagation velocity are preformed. In order to calculate the tmeperature ditribution in the components a new method will presented. It is thus possible to calculate the temperature penetration of the components to determine potential thermal barrier layer-thickness and the meltig time. Thus parameters for the specific joint problem such as period thickness, etc. of the RMS are derived. Modelling the heat transport after joining with RMS it is possible to derive a corralation between the thermal conductivity and shear strength. To quantify the theoretical results and to require certain parameters for the calculations experiments were preformed. The RMS will be investigated experimentally in terms of their enthalpy H , propagation velocity v , nascent temperature, melting time t schmelz , interdiffusion zone w , phase transition and its use as inovative heat source for joining components. The experimental results are compared with the theortical and complet this work.

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Busfield, Anthony Leigh. "The RMS survey : radio and millimeter studies". Thesis, University of Leeds, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.424608.

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Vaz, João. "Tolerância a faltas bizantinas em servidores RMI". Master's thesis, Faculdade de Ciências e Tecnologia, 2011. http://hdl.handle.net/10362/7606.

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Dissertação para obtenção do Grau de Mestre em Engenharia Informática
Os avanços registados recentemente ao nível do hardware tornaram possível melhorar a performance e eficiência da aplicações em geral através da computação paralela. Com este aumento dos recursos disponíveis, os sistemas computacionais evoluíram no sentido de exigir uma maior fiabilidade, disponibilidade e tolerância a falhas arbitrárias (bizantinas). Um componente que exiba comportamentos bizantinos, continua a responder aos pedidos, mas a produzir valores incorrectos. A detecção deste tipo de falhas é um processo complexo, uma vez que estas podem permanecer dormentes durante longos períodos de tempo. A solução passa por implementar algoritmos de tolerância a falhas bizantinas (BFT) robustos, baseados em replicação e em protocolos de consenso que, no entanto, têm um impacto negativo no desempenho. De entre as técnicas que podemos aplicar para limitar esta perda, existem duas que queremos salientar: a introdução de operações concorrentes nos servidores e a utilização de execução especulativa. O mecanismo de invocações remotas da linguagem Java (RMI) permite transportar para as aplicações distribuídas o modelo de programação das aplicações não distribuí- das. Este mecanismo é suportado por uma arquitectura cliente/servidor que, apesar de apresentar uma boa performance, torna estas aplicações pouco tolerantes a falhas. Assim, o nosso objectivo é introduzir tolerância a falhas bizantinas em aplicações RMI, através de um mecanismo de replicação implícito. Para testar o nosso trabalho, efectuámos testes utilizando o JNFS, um sistema de ficheiros distribuído implementado sobre RMI. Os resultados permitem concluir que o uso de execução especulativa minimiza o impacto dos algoritmos de tolerância a falhas bizantinas.
Fundação para a Ciênciafe Tecnologia (FCT/MCTES)- projecto Byzantium (PTDC/EIA/74325/2006)e projecto RepComp (PTDC/EIA-EIA/108963/2008)

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Libros sobre el tema "RMIS"

Grosso, William. Java RMI. Sebastopol, Calif: O'Reilly, 2002.

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Java RMI. Beijing: O'Reilly, 2002.

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Rdo-rje-mkhar. Rmi lam. Khrin-tu: Si-khron dus-deb-tshogs-pa, Si-khron Mi-rigs Dpe-skrun-khang, 2016.

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Libicki, Martin C. Information & nuclear RMAs compared. [Washington, D.C.]: National Defense University, Institute for National Strategic Studies, 1996.

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Libicki, Martin C. Information & nuclear RMAs compared. [Washington, D.C.]: National Defense University, Institute for National Strategic Studies, 1996.

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Libicki, Martin C. Information & nuclear RMAs compared. [Washington, D.C.]: National Defense University, Institute for National Strategic Studies, 1996.

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Libicki, Martin C. Information & nuclear RMAs compared. [Washington, D.C.]: National Defense University, Institute for National Strategic Studies, 1996.

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Libicki, Martin C. Information & nuclear RMAs compared. [Washington, D.C.]: National Defense University, Institute for National Strategic Studies, 1996.

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Minkov, Todor. Dve pobedi na RMS: Pŭrvii͡a︡t kongres na RMS, prot͡s︡esŭt sreshtu T͡S︡K na RMS. Sofii͡a︡: "Nar. mladezh", 1989.

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Byaṅ ʼbroṅ gi rmig sgra. Qinghai: Mtsho-sṅon mi rigs dpe skrun khaṅ, 2004.

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Capítulos de libros sobre el tema "RMIS"

Erben, Roland Franz y Frank Romeike. "Risikoreporting mit Unterstützung von Risk Management-Informationssystemen (RMIS)". En Erfolgsfaktor Risiko-Management, 275–99. Wiesbaden: Gabler Verlag, 2003. http://dx.doi.org/10.1007/978-3-663-05715-4_13.

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Kiehnle, Catharina. "Rmds". En Kindlers Literatur Lexikon (KLL), 1. Stuttgart: J.B. Metzler, 2020. http://dx.doi.org/10.1007/978-3-476-05728-0_16536-1.

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Brusey, James, Mark Makies, Lin Padgham, Brad Woodvine y Karl Fantone. "RMIT United". En RoboCup 2000: Robot Soccer World Cup IV, 563–66. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/3-540-45324-5_87.

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Brusey, James, Andrew Jennings, Mark Makies, Chris Keen, Anthony Kendall, Lin Padgham y Dhirendra Singh. "RMIT Raiders". En RoboCup-99: Robot Soccer World Cup III, 741–44. Berlin, Heidelberg: Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/3-540-45327-x_95.

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Gokhale, Aniruddha. "RMI". En Encyclopedia of Database Systems, 1–2. New York, NY: Springer New York, 2016. http://dx.doi.org/10.1007/978-1-4899-7993-3_1203-2.

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Gokhale, Aniruddha. "RMI". En Encyclopedia of Database Systems, 2441–42. Boston, MA: Springer US, 2009. http://dx.doi.org/10.1007/978-0-387-39940-9_1203.

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Gokhale, Aniruddha. "RMI". En Encyclopedia of Database Systems, 3244–45. New York, NY: Springer New York, 2018. http://dx.doi.org/10.1007/978-1-4614-8265-9_1203.

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Kiehnle, Catharina. "Rmds: Das Gesamtwerk". En Kindlers Literatur Lexikon (KLL), 1–2. Stuttgart: J.B. Metzler, 2020. http://dx.doi.org/10.1007/978-3-476-05728-0_16537-1.

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Variend, S. "Rhabdomyosarcoma (RMS)". En Paediatric Neoplasia, 99–107. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-2224-5_13.

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Shekhar, Shashi y Hui Xiong. "RMS Error". En Encyclopedia of GIS, 967. Boston, MA: Springer US, 2008. http://dx.doi.org/10.1007/978-0-387-35973-1_1135.

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Actas de conferencias sobre el tema "RMIS"

Dehghani, Hossein, Shane Farritor, Dmitry Oleynikov y Benjamin Terry. "Automation of Suturing Path Generation for da Vinci-Like Surgical Robotic Systems". En 2018 Design of Medical Devices Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/dmd2018-6871.

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Minimally invasive surgery (MIS) has substantially improved surgery by reducing patient pain, discomfort, and tissue trauma [1]. MIS, however, has shortcomings including limited workspace, reduced surgeon’s dexterity, and poor eye-hand coordination [2]. Robot-assisted minimally invasive surgery (RMIS) has aimed to mitigate these limitations [3]. The da Vinci® Surgical System (Intuitive Surgical, Inc., Sunnyvale, CA) is the-state-of-the-art RMIS, in which the surgeon operates by using the console’s master controllers to maneuver the patient-side robotic arms, where the surgeon’s hand movements are refined through motion scaling and tremor reduction. Over half a million procedures are performed using the da Vinci annually [4].

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Villavicencio, Charlyn N., Jyh-Horng Jeng, Digna S. Evale y Jer-Guang Hsieh. "Remote Management Information System for Office of Student Organizations (RMIS - OSO)". En 2021 IEEE International Conference on Educational Technology (ICET). IEEE, 2021. http://dx.doi.org/10.1109/icet52293.2021.9563131.

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Mitianiec, Wladyslaw. "Influence of Controlling Parameters on Exhaust Emission and Work Parameters in RMIS Two-Stroke Gasoline Engine". En Small Engine Technology Conference & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2004. http://dx.doi.org/10.4271/2004-32-0014.

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Ellingsberg, Kristian B. "Predictable maximum RMS-error for windowed RMS (RMWS)". En 2012 Conference on Precision Electromagnetic Measurements (CPEM 2012). IEEE, 2012. http://dx.doi.org/10.1109/cpem.2012.6250925.

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Zhu, Yong-Bo. "Design scheme for real-time data management information system (RMIS), DEH systems of units #4-#7 of PetroChina Daqing Petrochemical Company Thermal Power Plant". En The 2015 International Conference on Mechanics and Mechanical Engineering (MME 2015). WORLD SCIENTIFIC, 2016. http://dx.doi.org/10.1142/9789813145603_0136.

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Boden, Brigitte, Stephan Günnemann, Holger Hoffmann y Thomas Seidl. "RMiCS". En the 25th International Conference. New York, New York, USA: ACM Press, 2013. http://dx.doi.org/10.1145/2484838.2484860.

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Gopalakrishnan, Venkat y Sridhar Kota. "A Parallely Actuated Work Support Module for Reconfigurable Machining Systems". En ASME 1998 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/detc98/mech-5959.

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Abstract In order to respond quickly to changes in market demands and the resulting product design changes, machine tool manufacturers must reduce the machine tool design lead time and machine set-up time. Reconfigurable Machine Tools (RMTs), assembled from machine modules such as spindles, slides and worktables are designed to be easily reconfigured to accommodate new machining requirements. The essential characteristics of RMTs are modularity, flexibility, convertibility and cost effectiveness. The goal of Reconfigurable Machining Systems (RMSs), composed of RMTs and other types of machines, is to provide exactly the capacity and functionality, exactly when needed. The scope of RMSs design includes mechanical hardware, control systems, process planning and tooling. One of the key challenges in the mechanical design of reconfigurable machine tools is to achieve the desired machining accuracy in all intended machine configurations. To meet this challenge we propose (a) to distribute the total number of degrees of freedom between the work-support and the tool and (b) employ parallely-actuated mechanisms for stiffness and ease of reconfigurability. In this paper we present a novel parallely-actuated work-support module as a part of an RMT. Following a brief summary of a few parallel mechanisms used in machine tool applications, this paper presents a three-degree-of-freedom work-support module designed to meet the machining requirements of specific features on a family of automotive cylinder heads. Inverse kinematics, dynamic and finite element analysis are performed to verify the performance criteria such as workspace envelope and rigidity. A prototype of the proposed module is also presented.

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Spicer, J. Patrick y Hector J. Carlo. "Simultaneous Scalable-Reconfigurable Manufacturing System Design and Inventory Control Policy Decision Making". En ASME 2006 International Manufacturing Science and Engineering Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/msec2006-21083.

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Scalable reconfigurable manufacturing systems (scalable-RMS) consist of standardized modular equipment that can be quickly added or removed to adjust the production capacity. Each modular machine, referred to as a scalable reconfigurable machine tool (scalable-RMT), is composed of identical modules that can be added to, or removed from the machine depending on its required throughput. In previous work, conceptual scalable-RMTs have been described. Additional scalable-RMTs are presented in this paper to highlight the applicability of this concept in manufacturing. As an extension to existing scalable-RMS literature, this paper incorporates multiple products in the system configuration design. Specifically, this paper proposes an integer programming based iterative algorithm for finding the minimum cost configuration of a multi-product system. It is shown that the proposed algorithm converges to the optimal solution under the majority of practical conditions. Then, a mathematical formulation to minimize the system investment and operational costs in a multi-product scalable-RMS is presented. A numerical example compares the solution obtained using the traditional approach of determining the system design and then the inventory control policy versus the proposed simultaneous approach. It is concluded that the simultaneous approach yields significant improvement over the traditional (decoupled) approach.

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Guo, W. Z., H. J. Zou, B. Han y Q. Zhang. "Mobility of 4R1P-Type Five-Bars Using Characteristics Charts". En ASME 2004 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/detc2004-57236.

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The mobility is analyzed for the 4R1P-type planar closed-loop five-bar linkages using characteristics charts and four-bar Grashof criterion by introducing the virtual link. Based on dimensional relations of the three RR-type links, the five-bars are divided into three categories: Class I, Class II and Class III. Class I satisfies rmax < rmid + rmin, Class II satisfies rmax > rmid + rmin and Class III holds the equality. In the characteristics charts, Class I has a circular slide reachable range with two Grashof regions and two non-Grashof ones separated by three Grashof boundaries C1, C2 and C3, as well as one structure boundary B3; Class II has a ringed range with one Grashof region and two non-Grashof ones separated by the void boundary A1 instead of C1, two Grashof boundaries C2 and C3, as well as B3; and Class III has a circular range with three regions separated by C2, C3 and B3. From the four-bar Grashof criterion, the five-bars have two fully revolute joints at the Grashof regions while no such joints at the non-Grashof regions. Specially, the five-bars have Grashof change points at the Grashof boundaries and keep in line at A1 and B3. Each class includes further sub-classes. Several cases are illustrated for the applications.

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Bryan, A., S. J. Hu y Y. Koren. "Assembly System Reconfiguration Planning Using Genetic Algorithm". En ASME 2008 9th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2008. http://dx.doi.org/10.1115/esda2008-59066.

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Due to increased competition, the rate at which manufacturers introduce new product families to the market is increasing. However, the cost of changing manufacturing facilities to produce new product families can outweigh the benefits obtained from increased revenue. Reconfigurable Manufacturing Systems (RMSs) have been proposed as a cost effective strategy for manufacturing product families. Although methods for measuring RMS scalability and convertibility exist, there is a lack of methods for obtaining reconfiguration plans for assembly systems. This paper introduces assembly system reconfiguration planning (ASRP) as method to obtain reconfiguration plans for assembly systems. A genetic algorithm is developed for solving the ASRP problem.

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Informes sobre el tema "RMIS"

Waldo, E. J. RMCS exhauster data logger configuration. Office of Scientific and Technical Information (OSTI), diciembre de 1994. http://dx.doi.org/10.2172/48733.

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Moster, Gregory E. Reusable Military Launch Systems (RMLS). Fort Belvoir, VA: Defense Technical Information Center, febrero de 2008. http://dx.doi.org/10.21236/ada477105.

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Guarini, William. Remote Minehunting System (RMS). Fort Belvoir, VA: Defense Technical Information Center, noviembre de 2015. http://dx.doi.org/10.21236/ad1019510.

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Walser, Alex y LouAnn Burnett. RMS Assessment Report Final. Office of Scientific and Technical Information (OSTI), junio de 2019. http://dx.doi.org/10.2172/1762631.

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Foecke, Tim. Metallurgy of the RMS Titanic. Gaithersburg, MD: National Institute of Standards and Technology, 1998. http://dx.doi.org/10.6028/nist.ir.6118.

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Graham, Russell T. Hayman Fire Case Study: Summary [RMRS-GTR-115]. Ft. Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, 2003. http://dx.doi.org/10.2737/rmrs-gtr-115.

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Kumfert, G. y J. Leek. Proposed Babel/SIDL Changes to Support RMI. Office of Scientific and Technical Information (OSTI), julio de 2005. http://dx.doi.org/10.2172/913556.

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Kumfert, G. y J. Leek. Proposed Babel/SIDL Changes to Support RMI. Office of Scientific and Technical Information (OSTI), abril de 2005. http://dx.doi.org/10.2172/15015924.

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Hagedorn, D. N., K. K. Anderson y D. B. Simpson. Statistical parameter selection for RMS Lg amplitudes. Office of Scientific and Technical Information (OSTI), mayo de 1994. http://dx.doi.org/10.2172/10154820.

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Turgel, R. S., O. B. Laug y T. E. Leedy. Electrical performance tests for true-RMS voltmeters. Gaithersburg, MD: National Bureau of Standards, 1988. http://dx.doi.org/10.6028/nbs.ir.88-3736.

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