Regret Analysis Of Stochastic And Nonstochastic Multi Armed Bandit Problems PDF Download
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Author | : Sébastien Bubeck |
Publisher | : |
Total Pages | : 137 |
Release | : 2012 |
Genre | : Artificial intelligence |
ISBN | : 9781601986276 |
Download Regret Analysis of Stochastic and Nonstochastic Multi-Armed Bandit Problems Book in PDF, ePub and Kindle
Multi-armed bandit problems are the most basic examples of sequential decision problems with an exploration-exploitation trade-off. This is the balance between staying with the option that gave highest payoffs in the past and exploring new options that might give higher payoffs in the future. In this monograph, the focus is on two extreme cases in which the analysis of regret is particularly simple and elegant: independent and identically distributed payoffs and adversarial payoffs. Besides the basic setting of finitely many actions, it also analyzes some of the most important variants and extensions, such as the contextual bandit model.
Author | : Sébastien Bubeck |
Publisher | : Now Pub |
Total Pages | : 138 |
Release | : 2012 |
Genre | : Computers |
ISBN | : 9781601986269 |
Download Regret Analysis of Stochastic and Nonstochastic Multi-armed Bandit Problems Book in PDF, ePub and Kindle
In this monograph, the focus is on two extreme cases in which the analysis of regret is particularly simple and elegant: independent and identically distributed payoffs and adversarial payoffs. Besides the basic setting of finitely many actions, it analyzes some of the most important variants and extensions, such as the contextual bandit model.
Author | : Aleksandrs Slivkins |
Publisher | : |
Total Pages | : 306 |
Release | : 2019-10-31 |
Genre | : Computers |
ISBN | : 9781680836202 |
Download Introduction to Multi-Armed Bandits Book in PDF, ePub and Kindle
Multi-armed bandits is a rich, multi-disciplinary area that has been studied since 1933, with a surge of activity in the past 10-15 years. This is the first book to provide a textbook like treatment of the subject.
Author | : Ricard Gavaldà |
Publisher | : Springer |
Total Pages | : 410 |
Release | : 2009-09-29 |
Genre | : Computers |
ISBN | : 364204414X |
Download Algorithmic Learning Theory Book in PDF, ePub and Kindle
This book constitutes the refereed proceedings of the 20th International Conference on Algorithmic Learning Theory, ALT 2009, held in Porto, Portugal, in October 2009, co-located with the 12th International Conference on Discovery Science, DS 2009. The 26 revised full papers presented together with the abstracts of 5 invited talks were carefully reviewed and selected from 60 submissions. The papers are divided into topical sections of papers on online learning, learning graphs, active learning and query learning, statistical learning, inductive inference, and semisupervised and unsupervised learning. The volume also contains abstracts of the invited talks: Sanjoy Dasgupta, The Two Faces of Active Learning; Hector Geffner, Inference and Learning in Planning; Jiawei Han, Mining Heterogeneous; Information Networks By Exploring the Power of Links, Yishay Mansour, Learning and Domain Adaptation; Fernando C.N. Pereira, Learning on the Web.
Author | : Tor Lattimore |
Publisher | : Cambridge University Press |
Total Pages | : 537 |
Release | : 2020-07-16 |
Genre | : Business & Economics |
ISBN | : 1108486827 |
Download Bandit Algorithms Book in PDF, ePub and Kindle
A comprehensive and rigorous introduction for graduate students and researchers, with applications in sequential decision-making problems.
Author | : Sébastien Bubeck |
Publisher | : Foundations and Trends (R) in Machine Learning |
Total Pages | : 142 |
Release | : 2015-11-12 |
Genre | : Convex domains |
ISBN | : 9781601988607 |
Download Convex Optimization Book in PDF, ePub and Kindle
This monograph presents the main complexity theorems in convex optimization and their corresponding algorithms. It begins with the fundamental theory of black-box optimization and proceeds to guide the reader through recent advances in structural optimization and stochastic optimization. The presentation of black-box optimization, strongly influenced by the seminal book by Nesterov, includes the analysis of cutting plane methods, as well as (accelerated) gradient descent schemes. Special attention is also given to non-Euclidean settings (relevant algorithms include Frank-Wolfe, mirror descent, and dual averaging), and discussing their relevance in machine learning. The text provides a gentle introduction to structural optimization with FISTA (to optimize a sum of a smooth and a simple non-smooth term), saddle-point mirror prox (Nemirovski's alternative to Nesterov's smoothing), and a concise description of interior point methods. In stochastic optimization it discusses stochastic gradient descent, mini-batches, random coordinate descent, and sublinear algorithms. It also briefly touches upon convex relaxation of combinatorial problems and the use of randomness to round solutions, as well as random walks based methods.
Author | : Nicolo Cesa-Bianchi |
Publisher | : Cambridge University Press |
Total Pages | : 4 |
Release | : 2006-03-13 |
Genre | : Computers |
ISBN | : 113945482X |
Download Prediction, Learning, and Games Book in PDF, ePub and Kindle
This important text and reference for researchers and students in machine learning, game theory, statistics and information theory offers a comprehensive treatment of the problem of predicting individual sequences. Unlike standard statistical approaches to forecasting, prediction of individual sequences does not impose any probabilistic assumption on the data-generating mechanism. Yet, prediction algorithms can be constructed that work well for all possible sequences, in the sense that their performance is always nearly as good as the best forecasting strategy in a given reference class. The central theme is the model of prediction using expert advice, a general framework within which many related problems can be cast and discussed. Repeated game playing, adaptive data compression, sequential investment in the stock market, sequential pattern analysis, and several other problems are viewed as instances of the experts' framework and analyzed from a common nonstochastic standpoint that often reveals new and intriguing connections.
Author | : Donald A. Berry |
Publisher | : Springer Science & Business Media |
Total Pages | : 283 |
Release | : 2013-04-17 |
Genre | : Science |
ISBN | : 9401537119 |
Download Bandit problems Book in PDF, ePub and Kindle
Our purpose in writing this monograph is to give a comprehensive treatment of the subject. We define bandit problems and give the necessary foundations in Chapter 2. Many of the important results that have appeared in the literature are presented in later chapters; these are interspersed with new results. We give proofs unless they are very easy or the result is not used in the sequel. We have simplified a number of arguments so many of the proofs given tend to be conceptual rather than calculational. All results given have been incorporated into our style and notation. The exposition is aimed at a variety of types of readers. Bandit problems and the associated mathematical and technical issues are developed from first principles. Since we have tried to be comprehens ive the mathematical level is sometimes advanced; for example, we use measure-theoretic notions freely in Chapter 2. But the mathema tically uninitiated reader can easily sidestep such discussion when it occurs in Chapter 2 and elsewhere. We have tried to appeal to graduate students and professionals in engineering, biometry, econ omics, management science, and operations research, as well as those in mathematics and statistics. The monograph could serve as a reference for professionals or as a telA in a semester or year-long graduate level course.
Author | : Suvrit Sra |
Publisher | : MIT Press |
Total Pages | : 509 |
Release | : 2012 |
Genre | : Computers |
ISBN | : 026201646X |
Download Optimization for Machine Learning Book in PDF, ePub and Kindle
An up-to-date account of the interplay between optimization and machine learning, accessible to students and researchers in both communities. The interplay between optimization and machine learning is one of the most important developments in modern computational science. Optimization formulations and methods are proving to be vital in designing algorithms to extract essential knowledge from huge volumes of data. Machine learning, however, is not simply a consumer of optimization technology but a rapidly evolving field that is itself generating new optimization ideas. This book captures the state of the art of the interaction between optimization and machine learning in a way that is accessible to researchers in both fields. Optimization approaches have enjoyed prominence in machine learning because of their wide applicability and attractive theoretical properties. The increasing complexity, size, and variety of today's machine learning models call for the reassessment of existing assumptions. This book starts the process of reassessment. It describes the resurgence in novel contexts of established frameworks such as first-order methods, stochastic approximations, convex relaxations, interior-point methods, and proximal methods. It also devotes attention to newer themes such as regularized optimization, robust optimization, gradient and subgradient methods, splitting techniques, and second-order methods. Many of these techniques draw inspiration from other fields, including operations research, theoretical computer science, and subfields of optimization. The book will enrich the ongoing cross-fertilization between the machine learning community and these other fields, and within the broader optimization community.
Author | : John Gittins |
Publisher | : John Wiley & Sons |
Total Pages | : 233 |
Release | : 2011-02-18 |
Genre | : Mathematics |
ISBN | : 1119990211 |
Download Multi-armed Bandit Allocation Indices Book in PDF, ePub and Kindle
In 1989 the first edition of this book set out Gittins' pioneering index solution to the multi-armed bandit problem and his subsequent investigation of a wide of sequential resource allocation and stochastic scheduling problems. Since then there has been a remarkable flowering of new insights, generalizations and applications, to which Glazebrook and Weber have made major contributions. This second edition brings the story up to date. There are new chapters on the achievable region approach to stochastic optimization problems, the construction of performance bounds for suboptimal policies, Whittle's restless bandits, and the use of Lagrangian relaxation in the construction and evaluation of index policies. Some of the many varied proofs of the index theorem are discussed along with the insights that they provide. Many contemporary applications are surveyed, and over 150 new references are included. Over the past 40 years the Gittins index has helped theoreticians and practitioners to address a huge variety of problems within chemometrics, economics, engineering, numerical analysis, operational research, probability, statistics and website design. This new edition will be an important resource for others wishing to use this approach.