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Academic literature on the topic 'Flow control features'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Flow control features"

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Kim, Dong Kwan. "Enhancing code clone detection using control flow graphs." International Journal of Electrical and Computer Engineering (IJECE) 9, no. 5 (October 1, 2019): 3804. http://dx.doi.org/10.11591/ijece.v9i5.pp3804-3812.

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Code clones are syntactically or semantically equivalent code fragments of source code. Copy-and-paste programming allows software developers to improve development productivity, but it could produce code clones that can introduce non-trivial difficulties in software maintenance. In this paper, a code clone detection framework is presented with a feature extractor and a clone classifier using deep learning. The clone classifier is trained with true and false clones and then is tested with a test dataset to evaluate the performance of the proposed approach to clone detection. In particular, the proposed approach to clone detection uses Control Flow Graphs (CFGs) to extract features of a given code snippet. The selected features are used to compute similarity scores for comparing two code fragments. The clone classifier is trained and tested with similarity scores that quantify the degree of how similar two code fragments are. The experimental results demonstrate that using CFG features is a viable methodology in terms of the effectiveness of clone detection for both syntactic and semantic clones.
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Keshkeh, Kinan, Aman Jantan, and Kamal Alieyan. "A MACHINE LEARNING CLASSIFICATION APPROACH TO DETECT TLS-BASED MALWARE USING ENTROPY-BASED FLOW SET FEATURES." Journal of Information and Communication Technology 21, No.3 (July 17, 2022): 279–313. http://dx.doi.org/10.32890/jict2022.21.3.1.

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Transport Layer Security (TLS) based malware is one of the most hazardous malware types, as it relies on encryption to conceal connections. Due to the complexity of TLS traffic decryption, several anomaly-based detection studies have been conducted to detect TLS-based malware using different features and machine learning (ML) algorithms. However, most of these studies utilized flow features with no feature transformation or relied on inefficient flow feature transformations like frequency-based periodicity analysis and outliers percentage. This paper introduces TLSMalDetect, a TLS-based malware detection approach that integrates periodicity-independent entropy-based flow set (EFS) features generated by a flow feature transformation technique to solve flow feature utilization issues in related research. EFS features effectiveness was evaluated in two ways: (1) by comparing them to the corresponding outliers percentage and flow features using four feature importance methods, and (2) by analyzing classification performance with and without EFS features. Moreover, new Transmission Control Protocol features not explored in literature were incorporated into TLSMalDetect, and their contribution was assessed. This study’s results proved EFS features of the number of packets sent and received were superior to related outliers percentage and flow features and could remarkably increase the performance up to ~42% in the case of Support Vector Machine accuracy. Furthermore, using the basic features, TLSMalDetect achieved the highest accuracy of 93.69% by Naïve Bayes (NB) among the ML algorithms applied. Also, from a comparison view, TLSMalDetect’s Random Forest precision of 98.99% and NB recall of 92.91% exceeded the best relevant findings of previous studies. These comparative results demonstrated the TLSMalDetect’s ability to detect more malware flows out of total malicious flows than existing works. It could also generate more actual alerts from overall alerts than earlier research.Transport Layer Security (TLS) based malware is one of the most hazardous malware types, as it relies on encryption to conceal connections. Due to the complexity of TLS traffic decryption, several anomaly-based detection studies have been conducted to detect TLS-based malware using different features and machine learning (ML) algorithms. However, most of these studies utilized flow features with no feature transformation or relied on inefficient flow feature transformations like frequency-based periodicity analysis and outliers percentage. This paper introduces TLSMalDetect, a TLS-based malware detection approach that integrates periodicity-independent entropy-based flow set (EFS) features generated by a flow feature transformation technique to solve flow feature utilization issues in related research. EFS features effectiveness was evaluated in two ways: (1) by comparing them to the corresponding outliers percentage and flow features using four feature importance methods, and (2) by analyzing classification performance with and without EFS features. Moreover, new Transmission Control Protocol features not explored in literature were incorporated into TLSMalDetect, and their contribution was assessed. This study’s results proved EFS features of the number of packets sent and received were superior to related outliers percentage and flow features and could remarkably increase the performance up to ~42% in the case of Support Vector Machine accuracy. Furthermore, using the basic features, TLSMalDetect achieved the highest accuracy of 93.69% by Naïve Bayes (NB) among the ML algorithms applied. Also, from a comparison view, TLSMalDetect’s Random Forest precision of 98.99% and NB recall of 92.91% exceeded the best relevant findings of previous studies. These comparative results demonstrated the TLSMalDetect’s ability to detect more malware flows out of total malicious flows than existing works. It could also generate more actual alerts from overall alerts than earlier research.
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Zare, A., T. T. Georgiou, and M. R. Jovanović. "Stochastic Dynamical Modeling of Turbulent Flows." Annual Review of Control, Robotics, and Autonomous Systems 3, no. 1 (May 3, 2020): 195–219. http://dx.doi.org/10.1146/annurev-control-053018-023843.

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Advanced measurement techniques and high-performance computing have made large data sets available for a range of turbulent flows in engineering applications. Drawing on this abundance of data, dynamical models that reproduce structural and statistical features of turbulent flows enable effective model-based flow control strategies. This review describes a framework for completing second-order statistics of turbulent flows using models based on the Navier–Stokes equations linearized around the turbulent mean velocity. Dynamical couplings between states of the linearized model dictate structural constraints on the statistics of flow fluctuations. Colored-in-time stochastic forcing that drives the linearized model is then sought to account for and reconcile dynamics with available data (that is, partially known statistics). The number of dynamical degrees of freedom that are directly affected by stochastic excitation is minimized as a measure of model parsimony. The spectral content of the resulting colored-in-time stochastic contribution can alternatively arise from a low-rank structural perturbation of the linearized dynamical generator, pointing to suitable dynamical corrections that may account for the absence of the nonlinear interactions in the linearized model.
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Nishioka, Toshiaki. "Flow Features to Control Thermally Induced Convection in a Vertical Laminar Flow Cleanroom." Journal of the IEST 35, no. 6 (November 1, 1992): 17–24. http://dx.doi.org/10.17764/jiet.2.35.6.q5p725u054361928.

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This paper presents results of a flow simulation study of convection heat currents above a heat source in a vertical laminar flow (VLF) cleanroom as determined both experimentally and computationally. Typical clcanroom operations have numerous pieces of equipment that generate heat— thus the importanec of this study. The experiment was carried out in a full-scale mockup of a cleanroom. Temperature distributions above an electrical hot plate were measured for 12 airflow velocities and four heat source levels. The results showed that when the mean downward airflow velocity was 0.20 m/s or greater, the plume of heated air was completely suppressed and rose only 30 cm above the heat source. The relation between the convection current zone and the Richardson number was determined. Computer models simulating the turbulent incompressible fluid flow in a Cartesian coordinate system were applid to analyze the three-dimensional heat currents inside the VLF cleanroom and to prediet the temperature and velocity distributions. The velocity distributions clearly indicated the magnitude of the area within which the heat current disturbed the vertical flow. Comparisons between the experimental findings and the calculated results provided significant information on how to apply the computer simulation to a practical design.
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Li, Cong, Jie Liu, Xiaohua Yang, Shiyu Yan, and Meng Li. "Metamorphic Relation Recognition Method Based on Control Flow Graph Features." Journal of Physics: Conference Series 2219, no. 1 (April 1, 2022): 012058. http://dx.doi.org/10.1088/1742-6596/2219/1/012058.

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Abstract Metamorphic testing is an effective method to solve Oracle problems. It is used to test software which is no expected output or the expected output is difficult to construct. However, finding a suitable and effective metamorphic relation in the program is still a very difficult task, usually obtained by domain experts through manual analysis, which greatly reduces the efficiency of software testing. In this work we define a function parameter metamorphic relation from the operation of the function parameter sequence, and preset 10 function parameter metamorphic relation. Because functions with the same structure usually have the same function parameter metamorphic relation, we extract node features and independent path features from the control flow graph, and then create a classification model to judge the similarity between functions. Our experiment includes the evaluation of the prediction model and the prediction of the metamorphic relation on the real function. Good experimental results shows that this method can provides a new way to automated discovery of metamorphic relation.
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New, T. H., Y. X. Chan, G. C. Koh, M. C. Hoang, and Shengxian Shi. "Effects of Corrugated Aerofoil Surface Features on Flow-Separation Control." AIAA Journal 52, no. 1 (January 2014): 206–11. http://dx.doi.org/10.2514/1.j052398.

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Choi, Haecheon, Hyungmin Park, Woong Sagong, and Sang-im Lee. "Biomimetic flow control based on morphological features of living creatures." Physics of Fluids 24, no. 12 (December 2012): 121302. http://dx.doi.org/10.1063/1.4772063.

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CHOU, SHIH-CHIEN, and YING-KAI WEN. "ASSOCIATION-BASED INFORMATION FLOW CONTROL IN OBJECT-ORIENTED SYSTEMS." International Journal of Software Engineering and Knowledge Engineering 14, no. 03 (June 2004): 291–322. http://dx.doi.org/10.1142/s0218194004001658.

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Controlling information flows to prevent information leakage within an application is essential. According to the maturity of object-oriented techniques, many models were developed for the control in object-oriented systems. Since objects may be dynamically instantiated during program execution, controlling information flows among objects is difficult. Our research revealed that association is useful in the control. We developed an association-based information flow control model for object-oriented systems. It precisely controls information flows among objects through associations and constraints. It also offers features such as controlling method invocation through argument sensitivity, allowing declassification, allowing purpose-oriented method invocation, and precisely controlling write access. This paper proposes the model and the implementation of the model, which is composed of the language AbFlow (association-based flow) and its supporting environment.
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Yaremenko, Oksana. "CUSTOMS LOGISTICS: CONCEPTS, FUNCTIONS, FEATURES." HERALD OF KHMELNYTSKYI NATIONAL UNIVERSITY 300, no. 6 (December 3, 2021): 32–36. http://dx.doi.org/10.31891/2307-5740-2021-300-6-5.

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The article investigates the approaches to the definition of the term customs logistics. It is established that there is no generally accepted point of view on the content of the concept, its subject field among scientists and practitioners. Customs logistics is considered as a scientific direction, and as a practical activity, and as a functional area of logistics, and as part of the logistics chain, and as a set of logistics processes of participants in foreign economic activity. Given the complex structure and multiplicity of approaches to the interpretation of the term, and applying a systematic approach to disclose the content of customs logistics, it is proposed to understand customs logistics as a scientific and practical activity aimed at regulating customs goods and information and financial flows and protecting national interests, finding a balance of interests and ensuring the security and development of entities. The object-subject field of customs logistics is primarily export-import trade flows. They are accompanied by information flows: outgoing (from customs to the central authority), incoming (on the contrary), accompanying (documents for the goods). In this case, the implementation of foreign trade operations implies that the financial flow is divided into two parts: the first includes payments paid to the supplier for the goods (its feature is that it is governed by the laws of most states and international agreements); the second part includes customs duties, through which the state regulates the volume, range and direction of movement of export-import trade flows. Customs logistics integrates such important functions of customs activity, tariff-regulating, information-analytical, control-passing and financial-economic. The purpose of logistics of customs activity is first of all in the effective logistical organization of all types of the flows observed in customs business and their acceleration. This refers to commodity, information and financial flows, which together form an integrated commodity-information-financial flow, which has the duty to control such structures of the customs service as customs posts and customs, in particular when crossing this integrated flow of the customs border . The integrated nature of customs and logistics flows corresponds to the complex structure of customs logistics, which includes component, regional and functional structure.
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Ashill, P. R., J. L. Fulker, and K. C. Hackett. "A review of recent developments in flow control." Aeronautical Journal 109, no. 1095 (May 2005): 205–32. http://dx.doi.org/10.1017/s0001924000005200.

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Abstract This paper reviews and highlights recent developments of certain aspects of flow control concerned with reducing the drag of, and delaying flow separation on, wings and bodies over which the flow is turbulent. The study is restricted to devices that extend beyond the viscous sub-layer but are on a smaller scale than geometric features of the aircraft (e.g. wing chord). The review is mainly concerned with developments within the UK, although significant developments in other countries are discussed. The review discusses types of flow that need to be controlled, basic features of flow control devices and applications. It concludes with recommendations for future research.
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Dissertations / Theses on the topic "Flow control features"

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Fan, Yang, Hidehiko Masuhara, Tomoyuki Aotani, Flemming Nielson, and Hanne Riis Nielson. "AspectKE*: Security aspects with program analysis for distributed systems." Universität Potsdam, 2010. http://opus.kobv.de/ubp/volltexte/2010/4136/.

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Enforcing security policies to distributed systems is difficult, in particular, when a system contains untrusted components. We designed AspectKE*, a distributed AOP language based on a tuple space, to tackle this issue. In AspectKE*, aspects can enforce access control policies that depend on future behavior of running processes. One of the key language features is the predicates and functions that extract results of static program analysis, which are useful for defining security aspects that have to know about future behavior of a program. AspectKE* also provides a novel variable binding mechanism for pointcuts, so that pointcuts can uniformly specify join points based on both static and dynamic information about the program. Our implementation strategy performs fundamental static analysis at load-time, so as to retain runtime overheads minimal. We implemented a compiler for AspectKE*, and demonstrate usefulness of AspectKE* through a security aspect for a distributed chat system.
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Bodnarova, Adriana. "Texture analysis for automatic visual inspection and flaw detection in textiles." Thesis, Queensland University of Technology, 2000.

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Seebacher, J. Paul. "Motion control using optical flow of sparse image features." Thesis, 2015. https://hdl.handle.net/2144/15191.

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Reactive motion planning and local navigation of robots remains a significant challenge in the motion control of robotic vehicles. This thesis presents new results on vision guided navigation using optical flow. By detecting key image features, calculating optical flow and leveraging time-to-transit (tau) as a feedback signal, control architectures can steer a vehicle so as to avoid obstacles while simultaneously using them as navigation beacons. Averaging and balancing tau over multiple image features successfully guides a vehicle along a corridor while avoiding looming objects in the periphery. In addition, the averaging strategy deemphasizes noise associated with rotationally induced flow fields, mitigating risks of positive feedback akin to the Larsen effect. A recently developed, biologically inspired, binary-key point description algorithm, FReaK, offers process speed-ups that make vision-based feedback signals achievable. A Parrot ARDrone2 has proven to be a reliable platform for testing the architecture and has demonstrated the control law's effectiveness in using time-to-transit calculations for real-time navigation.
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Books on the topic "Flow control features"

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Kerner, B. S. The physics of traffic: Empirical freeway pattern features, engineering applications, and theory. Berlin: Springer, 2005.

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The physics of traffic: Empirical freeway pattern features, engineering applications, and theory. Berlin: Springer, 2004.

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Kerner, B. S. The physics of traffic: Empirical freeway pattern features, engineering applications, and theory. Berlin: Springer, 2010.

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United States. National Aeronautics and Space Administration., ed. Numerical simulation of a powered-lift landing, tracking flow features using overset grids, and simulation of high lift devices on a fighter-lift-and-control wing. San Jose, CA: MCAT Institute, 1993.

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United States. National Aeronautics and Space Administration., ed. Numerical simulation of a powered-lift landing, tracking flow features using overset grids, and simulation of high lift devices on a fighter-lift-and-control wing. San Jose, CA: MCAT Institute, 1993.

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National Aeronautics and Space Administration (NASA) Staff. Numerical Simulation of a Powered-Lift Landing, Tracking Flow Features Using Overset Grids, and Simulation of High Lift Devices on a Fighter-Lift-And-Control Wing. Independently Published, 2018.

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Flowe, Douglas J. Uncontrollable Blackness. University of North Carolina Press, 2020. http://dx.doi.org/10.5149/northcarolina/9781469655734.001.0001.

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Early twentieth-century African American men in northern urban centers like New York faced economic isolation, segregation, a biased criminal justice system, and overt racial attacks by police and citizens. In this book, Douglas J. Flowe interrogates the meaning of crime and violence in the lives of these men, whose lawful conduct itself was often surveilled and criminalized, by focusing on what their actions and behaviors represented to them. He narrates the stories of men who sought profits in underground markets, protected themselves when law enforcement failed to do so, and exerted control over public, commercial, and domestic spaces through force in a city that denied their claims to citizenship and manhood. Flowe furthermore traces how the features of urban Jim Crow and the efforts of civic and progressive leaders to restrict their autonomy ultimately produced the circumstances under which illegality became a form of resistance.Drawing from voluminous prison and arrest records, trial transcripts, personal letters and documents, and investigative reports, Flowe opens up new ways of understanding the black struggle for freedom in the twentieth century. By uncovering the relationship between the fight for civil rights, black constructions of masculinity, and lawlessness, he offers a stirring account of how working-class black men employed extralegal methods to address racial injustice.
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Elias, Juanita. Labor and Gender. Oxford University Press, 2017. http://dx.doi.org/10.1093/acrefore/9780190846626.013.250.

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Writings on women workers in the global economy have generally taken as their starting point the rise in female employment in industries in the light manufacturing for export sector. Another issue covered by the literature on gender and labor is migration, where the racialized as well as gendered nature of employment is thrown into sharp focus. Migration has been a major concern in much of the recent feminist literature on gender and employment is because one of the most significant features of contemporary processes of migration has been the feminization of these flows. But given the ways in which women workers both in export sector factories and as migrant domestic workers are subject to harsh workplace practices, social stigmatization, and systems of intense workplace control, the possibilities for resistance and change for some of these groups of workers are considered as well. Three intersecting literatures that focus on the topic of resistance to regimes of labor control in a variety of different workplaces (including the household) are discussed: first, those that focus on “everyday” forms of resistance; second, those that look more at resistance as an organized political strategy taking the form of trade union activism or involving nongovernmental organizations (NGOs); and third is a literature that considers the possibilities and limitations of a wider politics of resistance offered by things like corporate codes of conduct and corporate social responsibility.
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Collier, Richard S. Banking on Failure. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198859673.001.0001.

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This book seeks to explain why and how banks ‘game the system’. More specifically, its objective is to account for why banks are so often involved in cases of misconduct and why those cases often involve the exploitation of tax systems. To do this, a case study is presented in Part I of the book. This case study concerns a highly complex transaction (often referred to as ‘cum-ex’) designed to exploit a flaw at the intersection of the tax system and the financial markets settlements system. It was entered into by a very large number of banks and other financial institutions. A number of factors make the cum-ex transaction remarkable, including the sheer scale of the financial amounts involved, the large number of banks and financial institutions involved, the comprehensive failure of the controls infrastructure in this highly regulated sector, and the fact that authorities across Europe have found it so difficult to deal with the transaction. Part II of the book draws out the wider significance of cum-ex and what it tells us about modern banks and their interactions with tax systems. The account demonstrates why the exploitation of tax systems by banks is practically inevitable due to a variety of systemic features of the financial markets and of tax systems themselves. A number of possible responses to the current position are suggested in the final chapter.
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Book chapters on the topic "Flow control features"

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Raghavendra, Sujay. "Control Flow and Advanced Features." In Beginner's Guide to Streamlit with Python, 161–74. Berkeley, CA: Apress, 2022. http://dx.doi.org/10.1007/978-1-4842-8983-9_8.

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Brachthäuser, Jonathan Immanuel. "What You See Is What You Get: Practical Effect Handlers in Capability-Passing Style." In Ernst Denert Award for Software Engineering 2020, 15–43. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-83128-8_3.

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AbstractStructuring control flow is an essential task almost every programmer faces on a daily basis. At the same time, the control flow of software applications is becoming increasingly complicated, motivating languages to include more and more features like asynchronous programming and generators. Effect handlers are a promising alternative since they can express many of these features as libraries. To bring effect handlers closer to the software engineering practice, we present capability passing as an implementation technique for effect handlers. Capability passing provides the basis for the integration of effect handlers into mainstream object-oriented programming languages and thereby unlocks novel modularization strategies. It also enables programmers to apply lexical reasoning about effects and gives rise to a new form of effect polymorphism. Finally, it paves the path for efficient compilation strategies of control effects.
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Blasingame, Zander, Chen Liu, and Xin Yao. "Feature Creation Towards the Detection of Non-control-Flow Hijacking Attacks." In Lecture Notes in Computer Science, 153–64. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-86362-3_13.

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Canonico, Roberto, Francesco Flammini, Stefano Marrone, Roberto Nardone, and Valeria Vittorini. "Automatic Generation of Domain-Aware Control Plane Logic for Software Defined Railway Communication Networks." In Lecture Notes in Computer Science, 308–20. Cham: Springer Nature Switzerland, 2022. http://dx.doi.org/10.1007/978-3-031-19762-8_23.

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AbstractThe emergence of 5G technologies opens up new opportunities for railway communications. One of the foundational aspects of 5G architecture is its control-plane programmability, which can be achieved through Software Defined Networking (SDN). In railway scenarios, this can be used to dynamically reconfigure the network for a more effective and efficient management of communication flows produced by moving trains. The paper presents a framework for integrating modelling and analysis tools into a programmable control plane specifically tailored to railway communications. We introduce the concept of domain-awareness in the network control plane as an SDN-enabled feature that allows achieving application-specific advantages besides those purely expressed in terms of key performance indicators such as the quality of service. We propose a reference architecture in which domain-awareness in the control plane is obtained by considering information gathered by network devices and ad-hoc communication gateways that are able to detect relevant signalling events. In the architecture, the actual behaviour of the SDN controller is governed by applications that are able to react to specific triggers and re-configure network devices accordingly. We also provide a methodological framework based on model-driven engineering and formal methods, including dynamic state machines, for the automatic generation of SDN control plane logic.
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"Classification Algorithms and Control-Flow Implementation." In Advances in Systems Analysis, Software Engineering, and High Performance Computing, 14–45. IGI Global, 2022. http://dx.doi.org/10.4018/978-1-7998-8350-0.ch002.

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Supervised classification algorithms exploit many features that are tightly related to control-flow architecture. This reduces the possibility of applying these algorithms to dataflow architecture. This chapter makes an overview of some features characteristic to various classification algorithms that cannot be implemented on dataflow architecture. The chapter provides examples of applying various classification algorithms to three datasets with different types of material.
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Suryanarayana, G. K., Vidyadhar Y. Mudkavi, Rajan Kurade, and K. M. Naveen. "Some Interesting Features of Flow Past Slotted Circular Cylinder at Re = 3500." In Advances in Computation, Modeling and Control of Transitional and Turbulent Flows, 279–90. WORLD SCIENTIFIC, 2015. http://dx.doi.org/10.1142/9789814635165_0027.

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Sklar, Larry A. "The Future of Flow Cytometry in Biotechnology: The Response to Diversity and Complexity." In Flow Cytometry for Biotechnology. Oxford University Press, 2005. http://dx.doi.org/10.1093/oso/9780195183146.003.0004.

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Flow cytometry is a mature technology: Instruments recognizable as having elements of modern flow cytometers date back at least 30 years. There are many good sources for information about the essential features of flow cytometers, how they operate, and how they have been used. For the purposes of this book, it is necessary to know that flow cytometers have fluidic, optical, electronic, computational, and mechanical features. The main function of the fluidic components is to use hydrodynamic focusing to create a stable particle stream in which particles are aligned in single file within a sheath stream, so that the particles can be analyzed and sorted. The main functions of the optical components are to allow the particles to be illuminated by one or more lasers or other light sources and to allow scattered light as well as multiple fluorescence signals to be resolved and be routed to individual detectors. The electronics coordinate these functions, from the acquisition of the signals (pulse collection, pulse analysis, triggering, time delay, data, gating, detector control) to forming and charging individual droplets, and to making sort decisions. The computational components are directed at postacquisition data display and analysis, analysis of multivariate populations and multiplexing assays, and calibration and analysis of time-dependent cell or reaction phenomena. Mechanical components are now being integrated with flow cytometers to handle plates of samples and to coordinate automation such as the movement of a cloning tray with the collection of the droplets. The reader is directed to a concise description of these processes in Robinson’s article in the Encyclopedia of Biomaterials and Biomedical Engineering. This book was conceived of to provide a perspective on the future of flow cytometry, and particularly its application to biotechnology. It attempts to answer the question I heard repeatedly, especially during my association with the National Institutes of Health–funded National Flow Cytometry Resource at Los Alamos National Laboratory: What is the potential for innovation in flow cytometer design and application? This volume brings together those approaches that identify the unique contributions of flow cytometry to the modern world of biotechnology.
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Bruno, Giorgio. "An Integrated Notation for Business Process Models." In Knowledge Discovery, Transfer, and Management in the Information Age, 158–74. IGI Global, 2014. http://dx.doi.org/10.4018/978-1-4666-4711-4.ch008.

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Since business processes may address complex behavioral requirements resulting from the integration of several items, i.e. tasks, business entities (also called artifacts), control flow rules and data flow rules, they need notations able to accommodate several viewpoints. This chapter proposes a notation, ARTS, aimed at integrating the traditional activity-oriented viewpoint and the artifact-oriented one. The major benefits are the unification of the control flow and the data flow and a clear representation of the choices to be carried out by the participants. The basic features are illustrated with the help of three versions of a simplified hiring process. This chapter also deals with the structure of work lists, which are the major interface between the participants and their tasks. The organization of the work lists leverages the artifacts to emphasize human choices; for this reason, the traditional linear structure is replaced with a network one, which shows the artifacts along with their states, correlations and valid options.
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Voutsinou-Taliadouri, F., and E. Th Balopoulos. "GEOCHEMICAL AND WATER FLOW FEATURES IN A SEMIENCLOSED EMBAYMENT OF THE WESTERN AEGEAN SEA (PAGASSITIKOS GULF, GREECE) AND PHYSICAL OCEANOGRAPHIC AND GEOCHEMICAL CONDITIONS IN THERMAIKOS BAY (NORTHWESTERN AEGEAN, GREECE)." In Water Pollution Research and Control Brighton, 1881–86. Elsevier, 1988. http://dx.doi.org/10.1016/b978-1-4832-8439-2.50212-1.

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Zaporojan, S., C. Plotnic, I. Calmicov, and V. Larin. "A Knowledge-Based Approach for Microwire Casting Plant Control." In Knowledge-Based Intelligent System Advancements, 419–37. IGI Global, 2011. http://dx.doi.org/10.4018/978-1-61692-811-7.ch019.

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This chapter presents the main ideas and preliminary results of an applied research project concerning the development of an intelligent plant for microwire casting. The properties of glass-coated microwires are useful for a variety of sensor applications. On the other hand, the process of casting can be one of the methods of nanotechnology and advanced materials. In microwire continuous casting, the main control problem is to maintain the optimum thermal and flow conditions of the process, in order to fabricate the microwire of a given stable diameter. Unlike a conventional casting plant, we propose to use a video camera to take the picture of the molten drop and to control the casting process by means of a knowledge based system. For this reason, a model, that is capable of taking into account the current features of the process and of describing the shape of the drop at each time, is developed. The model presented here should allow us to estimate the geometry of the metal-filled capillary and predict the diameter of microwire at each time during the casting process.
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Conference papers on the topic "Flow control features"

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Khoshavi, Navid, Hamid R. Zarandi, and Mohammad Maghsoudloo. "Control-flow error recovery using commodity multi-core architecture features." In 2011 IEEE 17th International On-Line Testing Symposium (IOLTS 2011). IEEE, 2011. http://dx.doi.org/10.1109/iolts.2011.5993838.

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Xiao-Xiong, Weng, Tan Yu-An, Du Gao-Li, and Hong Qin-ming. "Prediction and Identification of Urban Traffic Flow Based on Features." In 2006 9th International Conference on Control, Automation, Robotics and Vision. IEEE, 2006. http://dx.doi.org/10.1109/icarcv.2006.345268.

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Zongqu Zhao. "A virus detection scheme based on features of Control Flow Graph." In 2011 2nd International Conference on Artificial Intelligence, Management Science and Electronic Commerce (AIMSEC). IEEE, 2011. http://dx.doi.org/10.1109/aimsec.2011.6010676.

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Agarwal, Akash, Samuel Dawson, Derrick McKee, Patrick Eugster, Matthew Tancreti, and Vinaitheerthan Sundaram. "Detecting Abnormalities in IoT Program Executions through Control-Flow-Based Features." In IoTDI '17: International Conference on Internet-of-Things Design and Implementation. New York, NY, USA: ACM, 2017. http://dx.doi.org/10.1145/3054977.3057312.

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Dong, Huajun, Chunxiao Li, Yingjie Guo, and Jie Li. "Researches on Flow Field's Dynamic Features of Vacuum Switching Arc Based on Optical Flow Field." In 2017 2nd International Conference on Electrical, Control and Automation Engineering (ECAE 2017). Paris, France: Atlantis Press, 2018. http://dx.doi.org/10.2991/ecae-17.2018.20.

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Carroll, Daniel R., Paul I. King, and James L. Rutledge. "Flow Visualization Study of Passive Flow Control Features on a Film-Cooled Turbine Blade Leading Edge." In ASME Turbo Expo 2010: Power for Land, Sea, and Air. ASMEDC, 2010. http://dx.doi.org/10.1115/gt2010-23179.

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A water channel study was conducted on a cylindrical leading edge model of a film-cooled turbine blade to assess the effects of surface modifications on film spreading. A single radial coolant hole located 21.5° from the stagnation line, angled 20° to the surface and 90° to the flow direction supplied dyed coolant flow. Surface modifications included a variety of dimples upstream and downstream of the coolant hole and transverse trenches milled coincident with the coolant hole. Compared to the unmodified surface, a single row of small cylindrical or spherical dimples upstream of the coolant hole steadies the jet at blowing ratios up to M = 0.75. Medium and large spherical dimples downstream of the coolant hole have a similar effect, but none of the dimple geometries studied affect the coolant jet above M = 0.75. A single-depth, square-edged transverse trench spreads the coolant spanwise, increasing the coverage of a single coolant hole more than two times. This trench suffers from coolant blow-out above M = 0.50, but a deeper, tapered-depth trench entrains and spreads the coolant very effectively at blowing ratios above M = 0.50. The tapered trench prevents jet liftoff and is the only geometry studied that holds the coolant closer to the surface than the unmodified coolant hole.
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Mahfouf, Zohra, Imed Bouchrika, Hayet Farida Merouani, and Nouzha Harrati. "Gait biometrics via optical flow motion features for people identification." In 2016 17th International Conference on Sciences and Techniques of Automatic Control and Computer Engineering (STA). IEEE, 2016. http://dx.doi.org/10.1109/sta.2016.7952014.

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Thoenes, Juergen. "Semi-empirical prediction of lateral control jet flowfield features in hypersonic flow." In 37th Aerospace Sciences Meeting and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1999. http://dx.doi.org/10.2514/6.1999-805.

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Wu, Bolun, Yuanhang Xu, and Futai Zou. "Malware Classification by Learning Semantic and Structural Features of Control Flow Graphs." In 2021 IEEE 20th International Conference on Trust, Security and Privacy in Computing and Communications (TrustCom). IEEE, 2021. http://dx.doi.org/10.1109/trustcom53373.2021.00084.

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Tauro, Flavia, Salvatore Grimaldi, and Maurizio Porfiri. "A Topological Framework for Flow Characterization and Identification." In ASME 2014 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/dscc2014-5837.

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The characterization of complex flows is often based on kinetic and kinematic measurements computed from high dimensional sets of data. Computationally intensive processing of such large scale data sets is a major challenge in climatological and microfluidic applications. Here, we offer a novel approach based on noninvasive and unsupervised analysis of fluid flows through nonlinear manifold learning. Specifically, we study varying flow regimes in the wake of a circular cylinder by acquiring experimental video data with digital cameras and analyze the video frames with the isometric feature mapping (Isomap). We show that the topology of Isomap embedding manifolds directly captures inherent flow features without performing velocity measurements. Further, we establish relationships between the amount of embedded data and the Reynolds number, which are utilized to detect the flow regime of independent experiments.
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Reports on the topic "Flow control features"

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TITOVA, E. FEATURES OF MIGRATION POLICY IN THE JEWISH AUTONOMOUS REGION. Science and Innovation Center Publishing House, 2021. http://dx.doi.org/10.12731/2077-1770-2021-13-4-2-54-70.

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The article reveals the features of the state mechanism for regulating labor migration in the Jewish Autonomous Region. It is noted that labor migration is an integral part of the economic development of the region. The purpose of the study is the peculiarities of solving the problems of optimizing the mechanisms for regulating labor migration in the Jewish Autonomous Region (JAO). The practical significance of the study is underscored by the growing resource requirements of the Jewish Autonomous Region. The importance of attracting labor migrants from the widest list of countries, to increase the exchange of experience and improve interethnic relations, the organization of programs to increase the flow of willing workers and promising employers, is highlighted. The scientific novelty of the research is in the designation of the latest methods and state programs aimed at improving the efficiency of the labor migration management mechanism. Every year, the number of migrants illegally staying on the territory of Russia is growing, and the authorities of the Russian Federation are trying to improve the methods of control of foreign citizens entering the country, which makes it easier, but at the same time more effective, to exercise control over migrants and distribute it in. areas such as the patent system, employee-to-employer linkage and simplified taxation.
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Little, Charles, and David Biedenharn. Technical assessment of the Old, Mississippi, Atchafalaya, and Red (OMAR) Rivers : channel geometry analysis. Engineer Research and Development Center (U.S.), August 2022. http://dx.doi.org/10.21079/11681/45147.

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The Old River Control Complex (ORCC) consists of the Low Sill, Auxiliary, and Overbank structures as features of the Old River Control Structure (ORCS) and the privately owned hydro-electric power plant. Operations of the ORCC manage the hydrologic connectivity between the Mississippi River and the Atchafalaya River/Red River systems. The morphology of the Old, the Mississippi, the Atchafalaya, and the Red Rivers (OMAR) has been influenced by the flow distribution at the ORCC, as well as the accompanying bed sediments. A geomorphic assessment of the OMAR is underway to understand the morphological changes associated with operation of the ORCC. Supporting the geomorphic assessment, a channel geometry analysis herein documents observed adjustments of the affected river channels. Historical hydrographic survey data were used in the Geographic Information System to create river channel geometric models, which inform the analysis. Geometric parameters for cross sections and volume polygons were computed for each survey and evaluated for morphological trends which may be ascribed to the influence of the ORCC. Additionally, the geometric parameters for the Atchafalaya River were used to extend the geometry analyses from the 1951 Mississippi River Commission report on the Atchafalaya River, which was the primary catalyst for the initial development of the ORCS.
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Stakes, Keith, Keith Stakes, Julie Bryant, Nick Dow, Jack Regan, and Craig Weinschenk. Analysis of the Coordination of Suppression and Ventilation in Multi-Family Dwellings. UL Firefighter Safety Research Institute, June 2020. http://dx.doi.org/10.54206/102376/ympj4047.

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The majority of the existing full-scale fire service research studied the impact of tactics on the residential fireground, specifically in single-family structures. This study builds upon prior research by conducting thirteen experiments in three-story, multi-family dwellings to quantify the impact of coordination between ventilation and suppression actions. Experiments were conducted in four, garden-style apartment buildings; each of which had two lower-level units, four first-floor units, and four second-floor units. The apartments shared a common stairwell that was enclosed for all of the experiments in this study. To examine the effectiveness of tactics in the fire apartment, common stairwell and applicable exposure apartments, four experiments were conducted in lower-level apartments, seven were conducted in first-floor apartments, and two were conducted in second-floor apartments including both bedroom and kitchen/living room fires. The fire size varied based on the amount of initial ventilation provided. The main control variables included the location of initial water application, the ventilation method, and the timing of ventilation relative to water application. The suppression tactics included interior water application, exterior water application followed by interior water application, and a combined interior and exterior water application. The ventilation tactics examined in these experiments included horizontal, vertical, positive pressure, and hydraulic ventilation. Similar to previous experiments in acquired single-family structures, there was no meaningful increase in temperature outside of fire rooms when ventilation tactics were executed in close coordination with (shortly after or shortly before) the onset of suppression. In contrast, for experiments where ventilation occurred with delayed suppression, temperature exposures increased throughout the fire apartment, and in experiments where the apartment door was left open, temperatures and carbon monoxide exposures increased throughout the common stairwell. Suppression actions, whether interior or exterior, resulted in a decrease in temperatures and gas concentrations at locations where occupants may potentially be located. The enclosed common stairwell, a unique feature of this experimental series, acted as capture of combustion products. Opening the apartment door to gain access should be thought of as an important ventilation action, both in terms of its potential to cause fire growth and its potential for smoke movement into the stairwell, limiting the egress for potentially trapped occupants in exposure units. Tactics such as door control, positive pressure ventilation, and hydraulic ventilation which were used both simultaneous with and sequentially post-suppression were shown to limit gas flows into the stairwell. After effective suppression, structure ventilation operations should similarly be cognizant of gas flows, with the aim of establishing flow throughout all areas where occupants may be located.
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Donohue, Patrick, Ronald Copeland, and James Lewis. Technical assessment of the Old, Mississippi, Atchafalaya, and Red (OMAR) Rivers : Atchafalaya River HEC-6T model. Engineer Research and Development Center (U.S.), August 2022. http://dx.doi.org/10.21079/11681/45161.

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The HEC-6T one-dimensional numerical sedimentation model was used to evaluate the long-term and system-wide sedimentation effects of modifying the operation schedule at the Old River Control Complex (ORCC). The changes evaluated were increasing and decreasing the percentage of flow that is diverted to the Atchafalaya River from the Mississippi River at the ORCC and modifying the distributions through the four ORCC structures. Sedimentation effects for several operation scenarios were compared to a Base Condition that represented the existing operation protocols. Additionally, a dredging scenario was developed and analyzed. This scenario featured dredging material from the Mississippi River and depositing it into the Outflow Channel, downstream of the ORCC. The predictive simulations extended for 50 years. The model was used to calculate and compare sand transport past various gages along the Atchafalaya River. Also, the model compared differences in water surface elevations and bed elevations using a specific gage analysis at several gages along the Atchafalaya River. Last, the effects of the various scenarios on annual dredging requirements in Berwick Bay were also determined.
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Desiderati, Christopher. Carli Creek Regional Water Quality Project: Assessing Water Quality Improvement at an Urban Stormwater Constructed Wetland. Portland State University, 2022. http://dx.doi.org/10.15760/mem.78.

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Stormwater management is an ongoing challenge in the United States and the world at-large. As state and municipal agencies grapple with conflicting interests like encouraging land development, complying with permits to control stormwater discharges, “urban stream syndrome” effects, and charges to steward natural resources for the long-term, some agencies may turn to constructed wetlands (CWs) as aesthetically pleasing and functional natural analogs for attenuating pollution delivered by stormwater runoff to rivers and streams. Constructed wetlands retain pollutants via common physical, physicochemical, and biological principles such as settling, adsorption, or plant and algae uptake. The efficacy of constructed wetlands for pollutant attenuation varies depending on many factors such as flow rate, pollutant loading, maintenance practices, and design features. In 2018, the culmination of efforts by Clackamas Water Environment Services and others led to the opening of the Carli Creek Water Quality Project, a 15-acre constructed wetland adjacent to Carli Creek, a small, 3500-ft tributary of the Clackamas River in Clackamas County, OR. The combined creek and constructed wetland drain an industrialized, 438-acre, impervious catchment. The wetland consists of a linear series of a detention pond and three bioretention treatment cells, contributing a combined 1.8 acres of treatment area (a 1:243 ratio with the catchment) and 3.3 acre-feet of total runoff storage. In this study, raw pollutant concentrations in runoff were evaluated against International Stormwater BMP database benchmarks and Oregon Water Quality Criteria. Concentration and mass-based reductions were calculated for 10 specific pollutants and compared to daily precipitation totals from a nearby precipitation station. Mass-based reductions were generally higher for all pollutants, largely due to runoff volume reduction on the treatment terrace. Concentration-based reductions were highly variable, and suggested export of certain pollutants (e.g., ammonia), even when reporting on a mass-basis. Mass load reductions on the terrace for total dissolved solids, nitrate+nitrite, dissolved lead, and dissolved copper were 43.3 ± 10%, 41.9 ± 10%, 36.6 ± 13%, and 43.2 ± 16%, respectively. E. coli saw log-reductions ranging from -1.3 — 3.0 on the terrace, and -1.0 — 1.8 in the creek. Oregon Water Quality Criteria were consistently met at the two in-stream sites on Carli Creek for E. coli with one exception, and for dissolved cadmium, lead, zinc, and copper (with one exception for copper). However, dissolved total solids at the downstream Carli Creek site was above the Willamette River guidance value 100 mg/L roughly 71% of the time. The precipitation record during the study was useful for explaining certain pollutant reductions, as several mechanisms are driven by physical processes, however it was not definitive. The historic rain/snow/ice event in mid-February 2021 appeared to impact mass-based reductions for all metals. Qualitatively, precipitation seemed to have the largest effect on nutrient dynamics, specifically ammonia-nitrogen. Determining exact mechanisms of pollutant removals was outside the scope of this study. An improved flow record, more targeted storm sampling, or more comprehensive nutrient profiles could aid in answering important questions on dominant mechanisms of this new constructed wetland. This study is useful in establishing a framework and baseline for understanding this one-of-a-kind regional stormwater treatment project and pursuing further questions in the future.
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