System-optimal Routing of Traffic Flows with User Constraints in Networks with Congestion

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ISBN 13 :
Total Pages : 58 pages
Book Rating : 4.:/5 (643 download)

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Book Synopsis System-optimal Routing of Traffic Flows with User Constraints in Networks with Congestion by : Olaf Jahn

Download or read book System-optimal Routing of Traffic Flows with User Constraints in Networks with Congestion written by Olaf Jahn and published by . This book was released on with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: The design of route-guidance systems faces a well-known dilemma. The approach that theoretically yields the system-optimal traffic pattern may discriminate against some users, for the sake of favoring others. Proposed alternate models, however, do not directly address the system perspective and may result in inferior performance. We propose a novel model and corresponding algorithms to resolve this dilemma. We present computational results on real-world instances and compare the new approach with the well-established traffic assignment model. The quintessence is that system-optimal routing of traffic flow with explicit integration of user constraints leads to a better performance than the user equilibrium while simultaneously guaranteeing a superior fairness compared to the pure system optimum. Keywords: networks/graphs, multicommodity, theory, transportation, models, mathematics, combinatorics

System-Optimal Routing of Traffic Flows With User Constraints in Networks With Congestion

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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (137 download)

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Book Synopsis System-Optimal Routing of Traffic Flows With User Constraints in Networks With Congestion by : Olaf Jahn

Download or read book System-Optimal Routing of Traffic Flows With User Constraints in Networks With Congestion written by Olaf Jahn and published by . This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The design of route-guidance systems faces a well-known dilemma. The approach that theoretically yields the system-optimal traffic pattern may discriminate against some users, for the sake of favoring others. Proposed alternate models, however, do not directly address the system perspective and may result in inferior performance. We propose a novel model and corresponding algorithms to resolve this dilemma. We present computational results on real-world instances and compare the new approach with the well-established traffic assignment model. The quintessence is that system-optimal routing of traffic flow with explicit integration of user constraints leads to a better performance than the user equilibrium while simultaneously guaranteeing a superior fairness compared to the pure system optimum.

Efficiency and Fairness of System-Optimal Routing With User Constraints

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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (137 download)

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Book Synopsis Efficiency and Fairness of System-Optimal Routing With User Constraints by : Andreas S. Schulz

Download or read book Efficiency and Fairness of System-Optimal Routing With User Constraints written by Andreas S. Schulz and published by . This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: We study the route-guidance system proposed by Jahn, Möhring, Schulz, and Stier-Moses [Operations Research 53 (2005), 600-616] from a theoretical perspective. As system-optimal guidance is known to be problematic, this approach computes a traffic pattern that minimizes the total travel time subject to user constraints. These constraints are designed to ensure that routes suggested to users are not much longer than shortest paths for the prevailing network conditions. To calibrate the system, a certain measure - called normal length - must be selected.We show that when this length is defined as the travel time at equilibrium, the resulting traffic assignment is provably efficient and close to fair. To measure efficiency, we compare the output to the best solution without guidance and to user equilibria. To measure unfairness, we compare travel times of different users, and show that they do not differ too much. Inefficient or unfair traffic assignments cause users to travel too long or discourage people from accepting the system; either consequence would jeopardize the potential impact of a route-guidance system.

Optimal Routing Policy for a Mixed Traffic Flow of Connected Vehicles and Regular Vehicles with En-route Information

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ISBN 13 :
Total Pages : 0 pages
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Book Synopsis Optimal Routing Policy for a Mixed Traffic Flow of Connected Vehicles and Regular Vehicles with En-route Information by : Zhenyu Yang

Download or read book Optimal Routing Policy for a Mixed Traffic Flow of Connected Vehicles and Regular Vehicles with En-route Information written by Zhenyu Yang and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Travelers often acquire traffic information and update their route choices en-route. This study examines travelers' decision-making (regarding information acquisition and routing) and impacts of information, when travel times are uncertain in a road network with a mixed traffic flow of connected vehicles (CVs) and regular vehicles (RVs). CVs are equipped with onboard communication systems, which allows CV users to acquire en-route information efficiently at no additional cost, while RV users may choose to purchase en-route information via route-guidance systems. We examine two types of routing behaviors, i.e., the user-optimal routing and the system-optimal routing. The user-optimal routing behavior applies when road users aim to minimize their individual expected travel costs when they determine whether to acquire en-route information and what is the optimal routing policy. We characterize decisions of RV and CV users as a mixed-flow user equilibrium with recourse (MUER), which is first formulated as a policy-based variational inequality problem. To solve the problem efficiently, we further derive an equivalent convex optimization program. We propose a solution framework, where a tailored bi-conjugate Frank-Wolfe algorithm is embedded with a TS-OSP algorithm designed to find the optimal routing policy in our problem. The system-optimal routing behavior, which minimizes the expected system travel time, is also examined in the mixed traffic flow environment. We propose a linear program (LP) and prove an anonymous System Optimum (SO) toll scheme, can be obtained by solving the proposed LP. A column generation procedure is adopted to find the SO tolls. We test our model and algorithms on both the Braess network and the Sioux Falls network. The numerical results show that higher penetration of CVs does not necessarily reduce congestion. Meanwhile, improving RVs' information technology can help to achieve SO with mild tolls.

Game Theoretic Analysis of Congestion, Safety and Security

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Publisher : Springer
ISBN 13 : 3319116746
Total Pages : 226 pages
Book Rating : 4.3/5 (191 download)

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Book Synopsis Game Theoretic Analysis of Congestion, Safety and Security by : Kjell Hausken

Download or read book Game Theoretic Analysis of Congestion, Safety and Security written by Kjell Hausken and published by Springer. This book was released on 2014-12-27 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: Maximizing reader insights into the interactions between game theory, excessive crowding and safety and security elements, this book establishes a new research angle by illustrating linkages between different research approaches and through laying the foundations for subsequent analysis. Congestion (excessive crowding) is defined in this work as all kinds of flows; e.g., road/sea/air traffic, people, data, information, water, electricity, and organisms. Analysing systems where congestion occurs – which may be in parallel, series, interlinked, or interdependent, with flows one way or both ways – this book puts forward new congestion models, breaking new ground by introducing game theory and safety/security into proceedings. Addressing the multiple actors who may hold different concerns regarding system reliability; e.g. one or several terrorists, a government, various local or regional government agencies, or others with stakes for or against system reliability, this book describes how governments and authorities may have the tools to handle congestion, but that these tools need to be improved whilst additionally ensuring safety and security against various threats. This game-theoretic analysis sets this book apart from the current congestion literature and ensures that the book will be of use to postgraduates, researchers, 3rd/4th-year undergraduates, policy makers, and practitioners.

Optimal routing of urban traffic

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ISBN 13 :
Total Pages : 616 pages
Book Rating : 4.3/5 (555 download)

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Book Synopsis Optimal routing of urban traffic by : Alan Martin Hershdorfer

Download or read book Optimal routing of urban traffic written by Alan Martin Hershdorfer and published by . This book was released on 1965 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Column Generation

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Publisher : Springer Science & Business Media
ISBN 13 : 0387254862
Total Pages : 369 pages
Book Rating : 4.3/5 (872 download)

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Book Synopsis Column Generation by : Guy Desaulniers

Download or read book Column Generation written by Guy Desaulniers and published by Springer Science & Business Media. This book was released on 2006-03-20 with total page 369 pages. Available in PDF, EPUB and Kindle. Book excerpt: Column Generation is an insightful overview of the state of the art in integer programming column generation and its many applications. The volume begins with "A Primer in Column Generation" which outlines the theory and ideas necessary to solve large-scale practical problems, illustrated with a variety of examples. Other chapters follow this introduction on "Shortest Path Problems with Resource Constraints," "Vehicle Routing Problem with Time Window," "Branch-and-Price Heuristics," "Cutting Stock Problems," each dealing with methodological aspects of the field. Three chapters deal with transportation applications: "Large-scale Models in the Airline Industry," "Robust Inventory Ship Routing by Column Generation," and "Ship Scheduling with Recurring Visits and Visit Separation Requirements." Production is the focus of another three chapters: "Combining Column Generation and Lagrangian Relaxation," "Dantzig-Wolfe Decomposition for Job Shop Scheduling," and "Applying Column Generation to Machine Scheduling." The final chapter by François Vanderbeck, "Implementing Mixed Integer Column Generation," reviews how to set-up the Dantzig-Wolfe reformulation, adapt standard MIP techniques to the column generation context (branching, preprocessing, primal heuristics), and deal with specific column generation issues (initialization, stabilization, column management strategies).

Integer Programming and Combinatorial Optimization

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Publisher : Springer
ISBN 13 : 3540259600
Total Pages : 453 pages
Book Rating : 4.5/5 (42 download)

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Book Synopsis Integer Programming and Combinatorial Optimization by : George Nemhauser

Download or read book Integer Programming and Combinatorial Optimization written by George Nemhauser and published by Springer. This book was released on 2004-07-27 with total page 453 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the papers accepted for publication at IPCO X, the Tenth International Conference on Integer Programming and Combinatorial Optimization, held in New York City, New York, USA, June 7-11, 2004. The IPCO series of conferences presents recent results in theory, computation and applications of integer programming and combinatorial optimization. These conferences are sponsored by the Mathematical Programming Society, and are held in those years in which no International Symposium on Mathematical Programming takes place. IPCO VIII was held in Utrecht (The Netherlands) and IPCO IX was held in Cambridge (USA). A total of 109 abstracts, mostly of very high quality, were submitted. The Program Committee accepted 32, in order to meet the goal of having three days of talks with no parallel sessions. Thus, many excellent abstracts could not be accepted. The papers in this volume have not been refereed. It is expected that revised versions of the accepted papers will be submitted to standard scientific journals for publication. The Program Committee thanks all authors of submitted manuscripts for their support of IPCO. March 2004 George Nemhauser Daniel Bienstock Organization IPCO X was hosted by the Computational Optimization Research Center (CORC), Columbia University.

Optimization and Data Science: Trends and Applications

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Publisher : Springer Nature
ISBN 13 : 3030862860
Total Pages : 189 pages
Book Rating : 4.0/5 (38 download)

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Book Synopsis Optimization and Data Science: Trends and Applications by : Adriano Masone

Download or read book Optimization and Data Science: Trends and Applications written by Adriano Masone and published by Springer Nature. This book was released on 2022-01-01 with total page 189 pages. Available in PDF, EPUB and Kindle. Book excerpt: This proceedings volume collects contributions from the 5th AIRO Young Workshop and AIRO PhD School 2021 joint event on “Optimization and Data Science: Trends and Applications”, held online, from February 8 to 12, 2021. The joint event was organized by AIROYoung representatives and the Operations Research Group of the Department of Electrical Engineering and Information Technology of the University “Federico II” of Naples. The selected contributions represent the state-of-the-art knowledge related to different branches of research, such as data science, machine learning and combinatorial optimization. Therefore, this book is primarily addressed to researchers and PhD students of the operations research community. However, due to its interdisciplinary content, it will be of high interest for other closely related research communities. Moreover, this volume not only presents theoretical results but also covers real applications in computer science, engineering, economics, healthcare, and logistics, making it interesting for practitioners facing complex decision-making problems in these areas.

Algorithmics of Large and Complex Networks

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Publisher : Springer Science & Business Media
ISBN 13 : 3642020933
Total Pages : 411 pages
Book Rating : 4.6/5 (42 download)

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Book Synopsis Algorithmics of Large and Complex Networks by : Jürgen Lerner

Download or read book Algorithmics of Large and Complex Networks written by Jürgen Lerner and published by Springer Science & Business Media. This book was released on 2009-07-02 with total page 411 pages. Available in PDF, EPUB and Kindle. Book excerpt: A state-of-the-art survey that reports on the progress made in selected areas of this important and growing field, aiding the analysis of existing networks and the design of new and more efficient algorithms for solving various problems on these networks.

The Traffic Assignment Problem

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Publisher : Courier Dover Publications
ISBN 13 : 0486802272
Total Pages : 244 pages
Book Rating : 4.4/5 (868 download)

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Book Synopsis The Traffic Assignment Problem by : Michael Patriksson

Download or read book The Traffic Assignment Problem written by Michael Patriksson and published by Courier Dover Publications. This book was released on 2015-01-19 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph provides both a unified account of the development of models and methods for the problem of estimating equilibrium traffic flows in urban areas and a survey of the scope and limitations of present traffic models. The development is described and analyzed by the use of the powerful instruments of nonlinear optimization and mathematical programming within the field of operations research. The first part is devoted to mathematical models for the analysis of transportation network equilibria; the second deals with methods for traffic equilibrium problems. This title will interest readers wishing to extend their knowledge of equilibrium modeling and analysis and of the foundations of efficient optimization methods adapted for the solution of large-scale models. In addition to its value to researchers, the treatment is suitable for advanced graduate courses in transportation, operations research, and quantitative economics.

Algorithmic Game Theory

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Publisher : Springer
ISBN 13 : 3319667009
Total Pages : 356 pages
Book Rating : 4.3/5 (196 download)

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Book Synopsis Algorithmic Game Theory by : Vittorio Bilò

Download or read book Algorithmic Game Theory written by Vittorio Bilò and published by Springer. This book was released on 2017-08-31 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the 10th International Symposium on Algorithmic Game Theory, SAGT 2017, held in L'Aquila, Italy, in September 2017. The 30 full papers presented were carefully reviewed and selected from 66 submissions. The papers cover various important aspects of algorithmic game theory such as auctions, computational aspects of games, congestion games, network and opinion formation games, mechanism design, incentives and regret minimization, and resource allocation.

Integer Programming and Combinatorial Optimization

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Publisher : Springer Science & Business Media
ISBN 13 : 3540261990
Total Pages : 494 pages
Book Rating : 4.5/5 (42 download)

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Book Synopsis Integer Programming and Combinatorial Optimization by : Michael Jünger

Download or read book Integer Programming and Combinatorial Optimization written by Michael Jünger and published by Springer Science & Business Media. This book was released on 2005-06 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the 11th International Conference on Integer Programming and Combinatorial Optimization, IPCO 2005, held in Berlin, Germany in June 2005. The 34 revised full papers presented were carefully reviewed and selected from 119 submissions. Among the topics addressed are mixed-integer programming, graph theory, graph algorithms, approximation, linear programming, approximability, packing, scheduling, computational geometry, randomization, network algorithms, sequencing, TSP, and travelling salesman problem.

Experimental and Efficient Algorithms

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Publisher : Springer
ISBN 13 : 3540320784
Total Pages : 637 pages
Book Rating : 4.5/5 (43 download)

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Book Synopsis Experimental and Efficient Algorithms by : Sotiris E. Nikoletseas

Download or read book Experimental and Efficient Algorithms written by Sotiris E. Nikoletseas and published by Springer. This book was released on 2005-05-03 with total page 637 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the 4th International Workshop on Experimental and Efficient Algorithms, WEA 2005, held in Santorini Island, Greece in May 2005. The 47 revised full papers and 7 revised short papers presented together with extended abstracts of 3 invited talks were carefully reviewed and selected from 176 submissions. The book is devoted to the design, analysis, implementation, experimental evaluation, and engineering of efficient algorithms. Among the application areas addressed are most fields applying advanced algorithmic techniques, such as combinatorial optimization, approximation, graph theory, discrete mathematics, scheduling, searching, sorting, string matching, coding, networking, data mining, data analysis, etc.

Soft Computing in Data Science

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Publisher : Springer
ISBN 13 : 9812879366
Total Pages : 280 pages
Book Rating : 4.8/5 (128 download)

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Book Synopsis Soft Computing in Data Science by : Michael W. Berry

Download or read book Soft Computing in Data Science written by Michael W. Berry and published by Springer. This book was released on 2015-09-02 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the International Conference on Soft Computing in Data Science, SCDS 2015, held in Putrajaya, Malaysia, in September 2015. The 25 revised full papers presented were carefully reviewed and selected from 69 submissions. The papers are organized in topical sections on data mining; fuzzy computing; evolutionary computing and optimization; pattern recognition; human machine interface; hybrid methods.

Optimal Routing and Flow Control in Networks with Real-time Traffic

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (123 download)

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Book Synopsis Optimal Routing and Flow Control in Networks with Real-time Traffic by : University of Massachusetts at Amherst. Department of Computer and Information Science

Download or read book Optimal Routing and Flow Control in Networks with Real-time Traffic written by University of Massachusetts at Amherst. Department of Computer and Information Science and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Information Computing And Automation (In 3 Volumes) - Proceedings Of The International Conference

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Publisher : World Scientific
ISBN 13 : 9814471380
Total Pages : 1645 pages
Book Rating : 4.8/5 (144 download)

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Book Synopsis Information Computing And Automation (In 3 Volumes) - Proceedings Of The International Conference by : Jian Ping Li

Download or read book Information Computing And Automation (In 3 Volumes) - Proceedings Of The International Conference written by Jian Ping Li and published by World Scientific. This book was released on 2008-04-25 with total page 1645 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wavelet analysis and its applications have become one of the fastest growing research areas in the past several years. Wavelet theory has been employed in many fields and applications, such as signal and image processing, communication systems, biomedical imaging, radar, air acoustics, and endless other areas. Active media technology is concerned with the development of autonomous computational or physical entities capable of perceiving, reasoning, adapting, learning, cooperating, and delegating in a dynamic environment.This book consists of carefully selected and received papers presented at the conference, and is an attempt to capture the essence of the current state-of-the-art in wavelet analysis and active media technology. Invited papers included in this proceedings includes contributions from Prof P Zhang, T D Bui, and C Y Suen from Concordia University, Canada; Prof N A Strelkov and V L Dol'nikov from Yaroslavl State University, Russia; Prof Chin-Chen Chang and Ching-Yun Chang from Taiwan; Prof S S Pandey from R D University, India; and Prof I L Bloshanskii from Moscow State Regional University, Russia.