Search Theory

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Search Theory

Steve Alpern,Robbert Fokkink,Leszek Gąsieniec,Roy Lindelauf,V.S. Subrahmanian
Search Theory Book PDF

Author : Steve Alpern,Robbert Fokkink,Leszek Gąsieniec,Roy Lindelauf,V.S. Subrahmanian
Publisher : Springer Science & Business Media
Page : 300 pages
File Size : 48,5 Mb
Release : 2014-07-08
Category : Computers
ISBN : 9781461468257

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Search Theory by Steve Alpern,Robbert Fokkink,Leszek Gąsieniec,Roy Lindelauf,V.S. Subrahmanian Pdf

Search games and rendezvous problems have received growing attention in computer science within the past few years. Rendezvous problems emerge naturally, for instance, to optimize performance and convergence of mobile robots. This gives a new algorithmic point of view to the theory. Furthermore, modern topics such as the spreading of gossip or disease in social networks have lead to new challenging problems in search and rendezvous. Search Theory: A Game Theoretic Perspective introduces the first integrated approach to Search and Rendezvous from the perspectives of biologists, computer scientists and mathematicians. This contributed volume covers a wide range of topics including rendezvous problems and solutions, rendezvous on graphs, search games on biology, mobility in governed social networks, search and security, and more. Most chapters also include case studies or a survey, in addition to a chapter on the future direction of Search and Rendezvous research. This book targets researchers and practitioners working in computer science, mathematics and biology as a reference book. Advanced level students focused on these fields will also find this book valuable as a secondary text book or reference.

Search Theory and Unemployment

Stephen A. Woodbury,Carl Davidson
Search Theory and Unemployment Book PDF

Author : Stephen A. Woodbury,Carl Davidson
Publisher : Elsevier
Page : 254 pages
File Size : 54,8 Mb
Release : 2002
Category : Business & Economics
ISBN : 140207333X

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Search Theory and Unemployment by Stephen A. Woodbury,Carl Davidson Pdf

Search Theory and Unemployment contains nine chapters that survey and extend the theory of job search and its application to the problem of unemployment. The volume ranges from surveys of job search theory that take microeconomic and macroeconomic perspectives to original theoretical contributions which focus on the externalities arising from non-sequential search and search under imperfect information. It includes a clear and authoritative survey of econometric methods that have been developed to estimate models of job search, as well as two lucid contributions to the empirical search literature. Finally, it includes a study that reviews and extends the literature on optimal unemployment insurance and concludes with an appraisal of the influence of search theory on the thinking of macroeconomic policymakers.

Search Theory

David V. Chudnovsky,Gregory V. Chudnovsky
Search Theory Book PDF

Author : David V. Chudnovsky,Gregory V. Chudnovsky
Publisher : CRC Press
Page : 176 pages
File Size : 43,8 Mb
Release : 2023-05-09
Category : Mathematics
ISBN : 9781000943955

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Search Theory by David V. Chudnovsky,Gregory V. Chudnovsky Pdf

On the solution of an optimal search problem with an exponential detection function. Covers one- and two-sided detection problems by furnishing continuous and discret time strategies; examines two-sided search strategies with solutions in hide and seek games in many discrete and continuous bounded

The Economics of Search

Brian McCall,John McCall
The Economics of Search Book PDF

Author : Brian McCall,John McCall
Publisher : Routledge
Page : 574 pages
File Size : 51,5 Mb
Release : 2007-12-20
Category : Business & Economics
ISBN : 9781134422357

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The Economics of Search by Brian McCall,John McCall Pdf

The economics of search is a prominent component of economic theory, and it has a richness and elegance that underpins a host of practical applications. In this book Brian and John McCall present a comprehensive overview of the economic theory of search, from the classical model of job search formulated 40 years ago to the recent developments in equilibrium models of search. The book gives decision-theoretic foundations to seemingly slippery issues in labour market theory, estimation theory and economic dynamics in general, and surveys the entire field of the economics of search, including its history, theory, and econometric applications. Theoretical models of the economics of search are covered as well as estimation methods used in search theory and topics covered include job search, turnover, unemployment, liquidity, house selling, real options and auctions. The mathematical methods used in search theory such as dynamic programming are reviewed as well as structural estimation methods and econometric methods for duration models. The authors also explore the classic sequential search model and its extensions in addition to recent advances in equilibrium search theory.

Theory of Optimal Search

Anonim
Theory of Optimal Search Book PDF

Author : Anonim
Publisher : Elsevier
Page : 322 pages
File Size : 43,9 Mb
Release : 1976-01-20
Category : Mathematics
ISBN : 0080956270

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Theory of Optimal Search by Anonim Pdf

In this book, we study theoretical and practical aspects of computing methods for mathematical modelling of nonlinear systems. A number of computing techniques are considered, such as methods of operator approximation with any given accuracy; operator interpolation techniques including a non-Lagrange interpolation; methods of system representation subject to constraints associated with concepts of causality, memory and stationarity; methods of system representation with an accuracy that is the best within a given class of models; methods of covariance matrix estimation; methods for low-rank matrix approximations; hybrid methods based on a combination of iterative procedures and best operator approximation; and methods for information compression and filtering under condition that a filter model should satisfy restrictions associated with causality and different types of memory. As a result, the book represents a blend of new methods in general computational analysis, and specific, but also generic, techniques for study of systems theory ant its particular branches, such as optimal filtering and information compression. - Best operator approximation, - Non-Lagrange interpolation, - Generic Karhunen-Loeve transform - Generalised low-rank matrix approximation - Optimal data compression - Optimal nonlinear filtering

The Theory of Search Games and Rendezvous

Steve Alpern,Shmuel Gal
The Theory of Search Games and Rendezvous Book PDF

Author : Steve Alpern,Shmuel Gal
Publisher : Springer Science & Business Media
Page : 319 pages
File Size : 48,8 Mb
Release : 2006-04-10
Category : Mathematics
ISBN : 9780306482120

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The Theory of Search Games and Rendezvous by Steve Alpern,Shmuel Gal Pdf

Search Theory is one of the original disciplines within the field of Operations Research. It deals with the problem faced by a Searcher who wishes to minimize the time required to find a hidden object, or “target. ” The Searcher chooses a path in the “search space” and finds the target when he is sufficiently close to it. Traditionally, the target is assumed to have no motives of its own regarding when it is found; it is simply stationary and hidden according to a known distribution (e. g. , oil), or its motion is determined stochastically by known rules (e. g. , a fox in a forest). The problems dealt with in this book assume, on the contrary, that the “target” is an independent player of equal status to the Searcher, who cares about when he is found. We consider two possible motives of the target, and divide the book accordingly. Book I considers the zero-sum game that results when the target (here called the Hider) does not want to be found. Such problems have been called Search Games (with the “ze- sum” qualifier understood). Book II considers the opposite motive of the target, namely, that he wants to be found. In this case the Searcher and the Hider can be thought of as a team of agents (simply called Player I and Player II) with identical aims, and the coordination problem they jointly face is called the Rendezvous Search Problem.

Theory of Global Random Search

Anatoly A. Zhigljavsky
Theory of Global Random Search Book PDF

Author : Anatoly A. Zhigljavsky
Publisher : Springer Science & Business Media
Page : 358 pages
File Size : 54,5 Mb
Release : 2012-12-06
Category : Mathematics
ISBN : 9789401134361

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Theory of Global Random Search by Anatoly A. Zhigljavsky Pdf

One service mathematics has rendered the 'Et moi ... - si j'avait su comment en revenir. je n'y serais point aIle.' human mee. It has put common sense back Jules Verne where it belongs, on the topmost shelf next to the dusty canister labelled 'discarded non The series is divergent; therefore we may be sense'. Eric T. Bell able to do something with it. O. Heaviside Mathematics is a tool for thought. A highly necessary tool in a world where both feedback and non linearities abound. Similarly, all kinds of parts of mathematics serve as tools for other parts and for other sciences. Applying a simple rewriting rule to the quote on the right above one finds such statements as: 'One service topology has rendered mathematical physics .. .'; 'One service logic has rendered com puter science .. .'; 'One service category theory has rendered mathematics .. .'. All arguably true. And all statements obtainable this way form part of the raison d'etre of this series.

Allocation, Information and Markets

John Eatwell,Murray Milgate,Peter Newman
Allocation Information and Markets Book PDF

Author : John Eatwell,Murray Milgate,Peter Newman
Publisher : Springer
Page : 321 pages
File Size : 55,8 Mb
Release : 1989-09-21
Category : Business & Economics
ISBN : 9781349202157

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Allocation, Information and Markets by John Eatwell,Murray Milgate,Peter Newman Pdf

This is an extract from the 4-volume dictionary of economics, a reference book which aims to define the subject of economics today. 1300 subject entries in the complete work cover the broad themes of economic theory. This volume concentrates on the topic of allocation information and markets.

Search Theory and Applications

K. Haley,Lawrence D. Stone
Search Theory and Applications Book PDF

Author : K. Haley,Lawrence D. Stone
Publisher : Springer
Page : 296 pages
File Size : 40,9 Mb
Release : 1980-12
Category : Business & Economics
ISBN : WISC:89008270936

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Search Theory and Applications by K. Haley,Lawrence D. Stone Pdf

The NATO Advanced Research Institute on Search Theory and Appli cations was held at the Hotel Algarve in Praia Da Rocha, Portugal, from March 26 through March 30, 1979, and was sponsored by the NATO Special Programme Panel on Systems Science. There were forty-one participants representing a wide range of backgrounds and interests. The purpose of the institute was to bring together people working in search theory and applications with potential users of search techniques to stimulate the increased application of recent ly developed search technology to civilian problems such as search and rescue, mineral exploration, surveillance, and fishing. Con versely, it was felt that by exposing search analysts to potential applications and new problems, they would be stimulated to develop new techniques for these applications and problems. The exchange of ideas and problems necessary to accomplish these goals was provided in the meeting workshops. There were three workshops, Search and Rescue, Exploration, and Surveillance and Fishing, each consisting of a small group of search analysts and potential users working together to define areas in which search theory and technology can be applied and to outline plans for im plementation. At the end of the conference, each working group submitted a report outlining possible areas of search applications and discussing problems which needed to be solved in order to im plement these applications.

Search Theory and Applications

K. Haley
Search Theory and Applications Book PDF

Author : K. Haley
Publisher : Springer Science & Business Media
Page : 274 pages
File Size : 45,8 Mb
Release : 2012-12-06
Category : Business & Economics
ISBN : 9781461591887

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Search Theory and Applications by K. Haley Pdf

The NATO Advanced Research Institute on Search Theory and Appli cations was held at the Hotel Algarve in Praia Da Rocha, Portugal, from March 26 through March 30, 1979, and was sponsored by the NATO Special Programme Panel on Systems Science. There were forty-one participants representing a wide range of backgrounds and interests. The purpose of the institute was to bring together people working in search theory and applications with potential users of search techniques to stimulate the increased application of recent ly developed search technology to civilian problems such as search and rescue, mineral exploration, surveillance, and fishing. Con versely, it was felt that by exposing search analysts to potential applications and new problems, they would be stimulated to develop new techniques for these applications and problems. The exchange of ideas and problems necessary to accomplish these goals was provided in the meeting workshops. There were three workshops, Search and Rescue, Exploration, and Surveillance and Fishing, each consisting of a small group of search analysts and potential users working together to define areas in which search theory and technology can be applied and to outline plans for im plementation. At the end of the conference, each working group submitted a report outlining possible areas of search applications and discussing problems which needed to be solved in order to im plement these applications.

A Search for Synthesis in Economic Theory

Ching-Yao Hsieh,Stephen L. Mangum
A Search for Synthesis in Economic Theory Book PDF

Author : Ching-Yao Hsieh,Stephen L. Mangum
Publisher : M.E. Sharpe
Page : 286 pages
File Size : 48,7 Mb
Release : 1986
Category : Business & Economics
ISBN : 0873323289

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A Search for Synthesis in Economic Theory by Ching-Yao Hsieh,Stephen L. Mangum Pdf

First published in 1986. Since the late 1960s the seeming inability of traditional monetary and fiscal policies to combat " stagflation" and address other macroeconomic issues has accelerated the erosion of confidence in the prevailing economic paradigm , the " neoclassical synthesis." * Dissensions among the members of the economics profession on both sides of the Atlantic have grown in number. By the 1970s, a majority of economists had recognized a " crisis" in economic theory. Parallel to this development, a crisis has also emerged in the Marxian camp. This volume is a discussion from the various schools of thought around three of the salient common grounds follows: the theory of a monetary economy, the disequilibrium foundations of a general equilibrium theory, and a rekindled interest in institutional factors.

Heuristic Search

Stefan Edelkamp,Stefan Schroedl
Heuristic Search Book PDF

Author : Stefan Edelkamp,Stefan Schroedl
Publisher : Elsevier
Page : 712 pages
File Size : 54,9 Mb
Release : 2011-05-31
Category : Computers
ISBN : 0080919731

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Heuristic Search by Stefan Edelkamp,Stefan Schroedl Pdf

Search has been vital to artificial intelligence from the very beginning as a core technique in problem solving. The authors present a thorough overview of heuristic search with a balance of discussion between theoretical analysis and efficient implementation and application to real-world problems. Current developments in search such as pattern databases and search with efficient use of external memory and parallel processing units on main boards and graphics cards are detailed. Heuristic search as a problem solving tool is demonstrated in applications for puzzle solving, game playing, constraint satisfaction and machine learning. While no previous familiarity with heuristic search is necessary the reader should have a basic knowledge of algorithms, data structures, and calculus. Real-world case studies and chapter ending exercises help to create a full and realized picture of how search fits into the world of artificial intelligence and the one around us. Provides real-world success stories and case studies for heuristic search algorithms Includes many AI developments not yet covered in textbooks such as pattern databases, symbolic search, and parallel processing units

In Search of a Theory of Everything

Demetris Nicolaides
In Search of a Theory of Everything Book PDF

Author : Demetris Nicolaides
Publisher : Oxford University Press, USA
Page : 187 pages
File Size : 46,9 Mb
Release : 2020-07
Category : Science
ISBN : 9780190098353

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In Search of a Theory of Everything by Demetris Nicolaides Pdf

"In Search of a Theory of Everything is an adventurous journey in space and time in search of a unified "theory of everything" (TOE) by means of a rare and agile interplay between the natural philosophies of influential ancient Greek thinkers and the laws of modern physics. For a TOE, all the phenomena of nature share a subtle underlying commonality and are explainable by a single overarching immutable principle. Reading the past for what it is, is of tremendous value, but so is its reading from the perspective of modern knowledge. Not to judge it for its flaws but to be inspired by its insights. This comparative study of the universe is the spirit of In Search of a Theory of Everything-to physics through philosophy, to the new via the old, and in a balanced way. A relatively "easier" analysis of nature, that of a major natural philosopher of antiquity, commences every chapter to fasten the bedrock for the more complex. The transition into the more complicated views of modern physics is gradual and systematic, entwining finely the two, the ancient with the new, the forgotten with the current, by unfolding a history and a philosophy of science, and connecting all the great feats of the mind and time. Those philosophers had ideas that resonate with aspects of modern science; puzzles that still baffle; and rationales that can be used to reassess completely anew fundamental but competing principles of modern physics, even to speculate about open physics problems. In Search of a Theory of Everything is a new kind of sight, is a philosophical insight of modern physics"--

Theory of Randomized Search Heuristics

Anne Auger,Benjamin Doerr
Theory of Randomized Search Heuristics Book PDF

Author : Anne Auger,Benjamin Doerr
Publisher : World Scientific
Page : 370 pages
File Size : 55,6 Mb
Release : 2011
Category : Computers
ISBN : 9789814282666

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Theory of Randomized Search Heuristics by Anne Auger,Benjamin Doerr Pdf

This volume covers both classical results and the most recent theoretical developments in the field of randomized search heuristics such as runtime analysis, drift analysis and convergence.

Foraging Theory Applied to Medical Information Searching

Mai Dwairy
Foraging Theory Applied to Medical Information Searching Book PDF

Author : Mai Dwairy
Publisher : Xlibris Corporation
Page : 204 pages
File Size : 40,6 Mb
Release : 2012-10
Category : Business & Economics
ISBN : 9781477128039

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Foraging Theory Applied to Medical Information Searching by Mai Dwairy Pdf

Workload and other constraints prevent General Practitioners from accessing medical evidence for clinical decisions. This problem was studied in New Zealand GPs using Optimal Foraging Theory developed in ecology. GPs' information search strategies were modelled as sequential steps associated with costs and benefits measured from logbooks of actual searches. By consulting the most profitable sources, switching sources when unsuccessful, and double checking, GPs seem close to an optimal trade-off between maximizing search success and information reliability, and minimizing searching time. Subsidised training in information searching and provision of a literature search service are two inferred avenues to access medical evidence.