David M. Pennock

Publication List Details

Period

1996 - 2009

Number

100

Co-Authors

Computational Challenges in (2009)

Joan Feigenbaum, David C. Parkes, David M. Pennock

review articles doi:10.1145/1435417.1435435 Economic and social sciences will drive Internet protocols and services into the future.

and (2009)

Yiling Chen, Lance Fortnow, David M. Pennock

We discuss the design of combinatorial betting mechanisms. We characterize the computational complexity of several variants of the problem and pose some oepn research questions.

Complexity of Combinatorial Market Makers ∗ (2008)

Yiling Chen, David M. Pennock, Lance Fortnow, Jennifer Wortman, Nicolas Lambert

We analyze the computational complexity of market maker pricing algorithms for combinatorial prediction markets. We focus on Hanson’s popular logarithmic market scoring rule market maker (LMSR)....

or How To Get Everyone Else to Solve Your Intractable Problems (2008)

David M. Pennock

I discuss the prospects of opening securities markets in hard computational problems, including satisfiability, counting problems, and Bayesian inference problems. Such NP markets would offer direct...

The Self-Organized Web: The Yin to the Semantic Web’s Yang (2008)

Gary William Flake, David M. Pennock, Daniel C. Fain

dynamic, it’s decentralized—it’s unlike anything else in the world. But one of the Web’s most amazing attributes is that it is arguably the largest self-organized artifact in existence. Every...

Complexity of Combinatorial Market Makers ∗ (2008)

Yiling Chen, David M. Pennock, Lance Fortnow, Jennifer Wortman, Nicolas Lambert

We analyze the computational complexity of market maker pricing algorithms for combinatorial prediction markets. We focus on Hanson’s popular logarithmic market scoring rule market maker (LMSR)....

and (2008)

Yiling Chen, Lance Fortnow, David M. Pennock

We discuss the design of combinatorial betting mechanisms. We characterize the computational complexity of several variants of the problem and pose some open research questions.

Mechanism Design on Trust Networks (2008)

Arpita Ghosh, Mohammad Mahdian, Daniel M. Reeves, David M. Pennock, Ryan Fugger

Abstract. We introduce the concept of a trust network—a decentralized payment infrastructure in which payments are routed as IOUs between trusted entities. The trust network has directed links...

ABSTRACT Betting Boolean-Style: A Framework for Trading in Securities Based on Logical Formulas (2008)

Lance Fortnow, Joe Kilian, David M. Pennock

We develop a framework for trading in compound securities: financial instruments that pay off contingent on the outcomes of arbitrary statements in propositional logic. Buying or selling...

ABSTRACT Information Markets vs. Opinion Pools: An Empirical Comparison (2008)

Yiling Chen, Chao-hsien Chu, Tracy Mullen, David M. Pennock

In this paper, we examine the relative forecast accuracy of information markets versus expert aggregation. We leverage a unique data source of almost 2000 people’s subjective probability judgments...

Analysis of lexical signatures for improving information persistence on the World Wide Web (2008)

David M. Pennock, C. Lee Giles, Robert Krovetz

A lexical signature (LS) consisting of several key words from a Web document is often sufficient information for finding the document later, even if its URL has changed. We conduct a large-scale...

and (2008)

Yiling Chen, Lance Fortnow, David M. Pennock

We discuss the design of combinatorial betting mechanisms. We characterize the computational complexity of several variants of the problem and pose some open research questions.

1.1 Empirical Studies (2008)

David M. Pennock, Rahul Sami

annotated bibliography for chapter on

Mining the Web to Play “Who Wants to be a Millionaire?” Abstract (2008)

Shyong K. Lam, David M. Pennock

We exploit the redundancy and volume of information on the web to build a computerized player for the ABC TV game show “Who Wants To Be A Millionaire?”. The player consists of a questionanswering...

Categories and Subject Descriptors (2008)

Andrew I. Schein, Rin Popescul, Lyle H. Ungar, David M. Pennock

Probability And Statistics—Contingency table analysis We have developed a method for recommending items that combines content and collaborative data under a single probabilistic framework. We...

CROC: A New Evaluation Criterion for Recommender Systems 1 (2008)

Andrew I. Schein, Rin Popescul, Lyle H. Ungar, David M. Pennock

Evaluation of a recommender system algorithm is a challenging task due to the many possible scenarios in which such systems may be deployed. We have designed a new performance plot called the CROC...

Mining the Web to Play “Who Wants to be a Millionaire?” Abstract (2008)

Shyong K. Lam, David M. Pennock

We exploit the redundancy and volume of information on the web to build a computerized player for the ABC TV game show “Who Wants To Be A Millionaire?”. The player consists of a questionanswering...

Probability And Statistics—Contingency table analysis (2008)

Andrew I. Schein, Rin Popescul, Lyle H. Ungar, David M. Pennock

We have developed a method for recommending items that combines content and collaborative data under a single probabilistic framework. We benchmark our algorithm against a naïve Bayes classifier on...

and (2008)

Yiling Chen, Lance Fortnow, David M. Pennock

We discuss the design of combinatorial betting mechanisms. We characterize the computational complexity of several variants of the problem and pose some open research questions.

Bluffing and Strategic Reticence in Prediction Markets ABSTRACT (2008)

David M. Pennock, Yiling Chen

In a prediction market using a logarithmic market scoring rule market maker, there exist joint probability distributions on signals such that agents have an incentive to bid against their own...

CROC: A New Evaluation Criterion for Recommender Systems (2008)

Andrew Schein Alexandrin, Andrew I. Schein, Rin Popescul, Lyle H. Ungar, David M. Pennock

Evaluation of a recommender system algorithm is a challenging task due to the many possible scenarios in which such systems may be deployed. We have designed a new performance plot called the CROC...

Categories and Subject Descriptors (2007)

Andrew I. Schein, Rin Popescul, Lyle H. Ungar, David M. Pennock

]: Probability And Statistics---Contingency table analysis We have developed a method for recommending items that combines content and collaborative data under a single probabilistic framework. We...

1 (2007)

Alexandrin Popescul, Lyle H. Ungar, Steve Lawrence, David M. Pennock

Abstract. Inductive logic programming (ILP) techniques are useful for analyzing data in multi-table relational databases. Learned rules can potentially discover relationships that are not obvious in...

lit Bombay (2007)

Soumen Chakrabartit, Mukul M. Joshi, Kunal Punera, David M. Pennock

The Xeb graph is a giaut social network whose properties have been measured and modeled extensively in recent years. Most such studies concentrate on the graph structure alone, arid do not consider...

;y (2007)

David M. Pennock, Sandip Debnath, Eric J. Glover, C. Lee Giles

We develop a model of how information ows into a market, and derive algorithms for automatically detecting and explaining relevant events. We analyze data from twenty-two \political stock markets...

]: Probability And Statistics Contin.qency table anal- (2007)

Andrew I. Schein, Rin Popescul, Lyle H. Ungar, David M. Pennock

ysis Ve have developed a method for recommending items that combines content and collaborative data under a single probabifistic framework. We benchmark our algorithm against a naYve Bayes classifier...

The Observability of Independence under Monetary-Based (2007)

David M. Pennock, Michael P. Wellman

Graphical models [1] have proved invaluable as a language for encoding probability distributions, due primarily to their facility in expressing independencies among variables. Sufficient...

2 (2007)

Paat Rusmevichientong, David M. Pennock, Steve Lawrence, C. Lee Giles

We present two new algorithms for generating uniformly random samples of pages from the World Wide Web, building upon recent work by Henzinger et al. (Henzinger et al. 2000) and Bar-Yossef et al....

2 (2007)

Paat Rusmevichientong, David M. Pennock, Steve Lawrence, C. Lee Giles

We present two new algorithms for generating uniformly random samples of pages from the World Wide Web, building upon recent work by Henzinger et al. (Henzinger et al. 2000) and Bar-Yossef et al....

2 (2007)

Paat Rusmevichientong, David M. Pennock, Steve Lawrence, C. Lee Giles

We present two new algorithms for generating uniformly random samples of pages from the World Wide Web, building upon recent work by Henzinger et al. (Henzinger et al. 2000) and Bar-Yossef et al....

Winners don't take all: A model of web link accumulation (2007)

David M. Pennock, C. Lee Giles, Gary W. Flake, Steve Lawrence, Eric Glover

Several studies show that the distribution of the number of links per web page follows a power law in the limit for large numbers of links. The same power law scaling appears in the connectivity...

Informatics and Mathematical (2007)

David M. Pennock, Steve Lawrence, Dpennock Lawrence, Finn Arup Nielsen, C. Lee Giles

Game sites on the World Wide Web draw people from around the world with specialized interests, skills, and knowledge. Data from the games often re ects the players ' expertise and will to win....

or How To Get Everyone Else to Solve Your Intractable Problems (2007)

David M. Pennock

I discuss the prospects of opening securities markets in hard computational problems, including satisfiability, counting problems, and Bayesian inference problems. Such NP markets would offer direct...

2 (2007)

David M, Eric J. Glover, Eric J. Glover, Gary W. Flake, Gary W. Flake, Steve Lawrence, ...

Users looking for documents within specific categories may have a difficult time locating valuable documents using general purpose search engines. We present an automated method for learning query...

Abstract (2007)

Joan Feigenbaum, David M. Pennock, Lance Fortnow, Rahul Sami

According to economic theory, supported by empirical and laboratory evidence, the equilibrium price of a financial security reflects all of the information regarding the security’s value. We...

Bluffing and strategic reticence in prediction markets (2007)

Yiling Chen, Daniel M. Reeves, David M. Pennock, Robin D. Hanson, Lance Fortnow, Rica Gonen

Abstract. We study the equilibrium behavior of informed traders interacting with two types of automated market makers: market scoring rules (MSR) and dynamic parimutuel markets (DPM). Although both...

Implementing sponsored search in web search engines: Computational evaluation of alternative mechanisms (2006)

Juan Feng, Hemant K. Bhargava, David M. Pennock

The practice of sponsored search advertising—where advertisers pay a fee to appear alongside particular Web search results—is now one of the largest and fastest growing source of revenue for Web...

Betting boolean-style: A framework for trading securities based on logical formulas. Decision Support Systems (2004)

Lance Fortnow, Joe Kilian, David M. Pennock, Michael P. Wellman

We develop a framework for trading in compound securities: financial instruments that pay o # contingent on the outcomes of arbitrary statements in propositional logic. Buying or selling...

Betting Boolean-Style: A Framework for Trading in Securities Based on Logical Formulas (2004)

Lance Fortnow, Joe Kilian, David M. Pennock, Michael P. Wellman

We develop a framework for trading in compound securities: financial instruments that pay o# contingent on the outcomes of arbitrary statements in propositional logic. Buying or selling...

Betting boolean-style: A framework for trading securities based on logical formulas. Decision Support Systems (2004)

Lance Fortnow, Joe Kilian, David M. Pennock, Michael P. Wellman

We develop a framework for trading in compound securities: financial instruments that pay off contingent on the outcomes of arbitrary statements in propositional logic. Buying or selling...

Betting boolean-style: A framework for trading securities based on logical formulas. Decision Support Systems (2004)

Lance Fortnow, Joe Kilian, David M. Pennock, Michael P. Wellman

We develop a framework for trading in compound securities: financial instruments that pay off contingent on the outcomes of arbitrary statements in propositional logic. Buying or selling...

Co-validation: Using model disagreement on unlabeled data to validate classification algorithms (2004)

Omid Madani, David M. Pennock, Gary W. Flake

In the context of binary classification, we define disagreement as a measure of how often two independently-trained models differ in their classification of unlabeled data. We explore the use of...

Offering collaborative-like recommendations when data is sparse: The case of attraction-weighted information filtering (2004)

Arnaud De Bruyn, C. Lee Giles, David M. Pennock

We propose a low-dimensional weighting scheme to map information filtering recommendations into more relevant, collaborative filtering-like recommendations. Similarly to content-based systems, the...

Comparing static and dynamic measurements and models of the internet’s topology (2004)

Seung-taek Park, David M. Pennock, C. Lee Giles

Abstract-Capturing a precise snapshot of the Internet’s topology is nearly impussihle. Recent efforts have produced autonomous-system (AS) level topologies with noticeably diver-gent...

Computation in a Distributed Information Market (2004)

Joan Feigenbaum, Lance Fortnow, David M. Pennock, Rahul Sami

According to economic theory---supported by empirical and laboratory evidence--- the equilibrium price of a financial security reflects all of the information regarding the security's value. We...

Collaborative Filtering with Maximum Entropy (2004)

Dmitry Pavlov, Eren Manavoglu, David M. Pennock, C. Lee Giles

As users navigate through online document collections on high-volume Web servers, they depend on M i n i n g t h e W e b good recommendations. The authors present a novel maximum-entropy algorithm...

A dynamic pari-mutuel market for hedging, wagering, and information aggregation (2004)

David M. Pennock

I develop a new mechanism for risk allocation and information speculation called a dynamic pari-mutuel market (DPM). A DPM acts as hybrid between a pari-mutuel market and a continuous double auction...

Statistical Relational Learning for Document Mining (2003)

Alexandrin Popescul, Lyle H. Ungar, Steve Lawrence, David M. Pennock

A major obstacle to fully integrated deployment of statistical learners is the assumption that data sits in a single table, even though most real-world databases have complex relational structures....

Computation in a distributed information market (2003)

Joan Feigenbaum, Lance Fortnow, David M. Pennock, Rahul Sami

According to economic theory---supported by empirical and laboratory evidence---the equilibrium price of a financial security reflects all of the information regarding the security's value. We...

Computation in a distributed information market (2003)

Joan Feigenbaum, Lance Fortnow, David M. Pennock, Rahul Sami

According to economic theory---supported by empirical and laboratory evidence---the equilibrium price of a financial security reflects all of the information regarding the security's value. We...

Mining the Peanut Gallery: Opinion Extraction and Semantic Classification of Product Reviews (2003)

Kushal Dave, Steve Lawrence, David M. Pennock

The web contains a wealth of product reviews, but sifting through them is a daunting task. Ideally, an opinion mining tool would process a set of search results for a given item, generating a list of...

Static and dynamic analysis of the Internet's susceptibility to faults and attacks (2003)

Seung-Taek Park, Alexy Khrabrov, David M. Pennock, Steve Lawrence, C. Lee Giles, Lyle H. Ungar

We analyze the susceptibility of the Internet to random faults, malicious attacks, and mixtures of faults and attacks. We analyze actual Internet data, as well as simulated data created with network...

Collaborative filtering with maximum entropy (2003)

Dmitry Pavlov, Eren Manavoglu, David M. Pennock, C. Lee Giles

Abstract — We describe a novel maximum entropy (maxent) approach for generating online recommendations as a user navigates through a collection of documents. We show how to handle high-dimensional...

Information incorporation in online in-Game sports betting markets (2003)

Sandip Debnath, David M. Pennock, C. Lee Giles, Steve Lawrence

We analyze data from $52$ online in-game sports betting markets (where betting is allowed continuously throughout a game), including 34 markets based on soccer (European football) games from the 2002...

Information Incorporation in Online In-Game Sports Betting Markets (2003)

Sandip Debnath, David M. Pennock, C. Lee Giles, Steve Lawrence, Google Inc

We analyze data from 52 online in-game sports betting markets (where betting is allowed continuously throughout a game), including 34 markets based on soccer (European football) games from the 2002...

What’s the code? automatic classification of source code archives (2002)

Secil Ugurel, Robert Krovetz, David M. Pennock, Eric J. Glover, Hongyuan Zha

There are various source code archives on the World Wide Web. These archives are usually organized by application categories and programming languages. However, manually organizing source code...

What’s the code? automatic classification of source code archives (2002)

Secil Ugurel, Robert Krovetz, C. Lee Giles, David M. Pennock, Eric J. Glover, Hongyuan Zha

There are various source code archives on the World Wide Web. These archives are usually organized by application categories and programming languages. However, manually organizing source code...

Winners don’t take all: Characterizing the competition for links on the web (2002)

David M. Pennock, Gary W. Flake, Steve Lawrence, Eric J. Glover, C. Lee Giles

As a whole, the World Wide Web displays a striking "rich get richer " behavior, with a relatively small number of sites receiving a disproportionately large share of hyperlink...

Winners don’t take all: Characterizing the competition for links on the web (2002)

David M. Pennock, Gary W. Flake, Steve Lawrence, Eric J. Glover, C. Lee Giles

As a whole, the World Wide Web displays a striking "rich get richer " behavior, with a relatively small number of sites receiving a disproportionately large share of hyperlink...

The structure of broad topics on the web (2002)

Soumen Chakrabarti, Mukul M. Joshi, Kunal Punera, David M. Pennock

The Web graph is a giant social network whose properties have been measured and modeled extensively in recent years. Most such studies concentrate on the graph structure alone, and do not consider...

REFEREE: An open framework for practical testing of recommender systems using researchindex (2002)

Dan Cosley, Steve Lawrence, David M. Pennock

Automated recommendation (e.g., personalized product recommendation on an ecommerce web site) is an increasingly valuable service associated with many databases---typically online retail catalogs and...

Methods and metrics for cold-start recommendations (2002)

Andrew I. Schein, Rin Popescul, Lyle H. Ungar, David M. Pennock

We have developed a method for recommending items that combines content and collaborative data under a single probabilistic framework. We benchmark our algorithm against a nave Bayes classifier on...

Analysis of Lexical Signatures for Finding Lost or Related Documents (2002)

Seung-taek Park, David M. Pennock, C. Lee Giles, Robert Krovetz

A lexical signature of a web page is often sufficient for finding the page, even if its URL has changed. We conduct a largescale empirical study of eight methods for generating lexi-cal signatures,...

Towards structural logistic regression: Combining relational and statistical learning (2002)

Rin Popescul, Lyle H. Ungar, Steve Lawrence, David M. Pennock

Abstract. Inductive logic programming (ILP) techniques are useful for analyzing data in multi-table relational databases. Learned rules can potentially discover relationships that are not obvious in...

Inferring hierarchical descriptions (2002)

Eric Glover, David M. Pennock, Steve Lawrence, Robert Krovetz

We create a statistical model for inferring hierarchical term relationships about a topic, given only a small set of example web pages on the topic, without prior knowledge of any hierarchical...

Using Web Structure for Classifying and Describing Web Pages (2002)

Eric Glover Kostas, Kostas Tsioutsiouliklis, David M. Pennock

The structure of the web is increasingly being used to improve organization, search, and analysis of information on the web. For example, Google uses the text in citing documents (documents that link...

A maximum entropy approach to collaborative filtering in dynamic, sparse, high-dimensional domains (2002)

Dmitry Y. Pavlov, David M. Pennock

We develop a maximum entropy (maxent) approach to generating recommendations in the context of a user’s current navigation stream, suitable for environments where data is sparse, high-dimensional,...

A Maximum Entropy Approach To (2002)

Collaborative Filtering In, Dmitry Y. Pavlov, David M. Pennock

We develop a maximum entropy (maxent) approach to generating recommendations in the context of a user's current navigation stream, suitable for environments where data is sparse,...

Mixtures of Conditional Maximum Entropy Models (2002)

Dmitry Pavlov, Alexandrin Popescul, David M. Pennock, Lyle H. Ungar

Driven by successes in several application areas, maximum entropy modeling has recently gained considerable popularity. We generalize the standard maximum entropy formulation of classi cation...

Analysis of Lexical Signatures for Finding Lost or Related Documents (2002)

Seung-taek Park, David M. Pennock, C. Lee, Giles Robert Krovetz

A lexical signature of a web page is often su cient for nding the page, even if its URL has changed. We conduct a large-scale empirical study of eight methodsfor generating lexical signatures,...

Analysis of Lexical Signatures for Finding Lost or Related Documents (2002)

Seung-taek Park, David M. Pennock, C. Lee, Giles Robert Krovetz

A lexical signature of a web page is often su cient for nding the page, even if its URL has changed. We conduct a largescale empirical study of eight methods for generating lexical signatures,...

Winners don’t take all: Characterizing the competition for links on the web (2002)

David M. Pennock, Gary W. Flake, Steve Lawrence, Eric J. Glover, C. Lee Giles

As a whole, the World Wide Web displays a striking “rich get richer ” behavior, with a relatively small number of sites receiving a disproportionately large share of hyperlink references and...

What’s the code? automatic classification of source code archives (2002)

Secil Ugurel, Robert Krovetz, C. Lee Giles, David M. Pennock, Eric Glover, Hongyuan Zha

There are various source code archives on the World Wide Web. These archives are usually organized by application categories and programming languages. However, manually organizing source code...

Methods for sampling pages uniformly from the world wide web (2001)

Paat Rusmevichientong, David M. Pennock, Steve Lawrence, C. Lee Giles

We present two new algorithms for generating uniformly random samples of pages from the World Wide Web, building upon recent work by Henzinger et al. (Henzinger et al. 2000) and Bar-Yossef et al....

Methods for sampling pages uniformly from the world wide web (2001)

Paat Rusmevichientong, David M. Pennock, Steve Lawrence, C. Lee Giles

We present two new algorithms for generating uniformly random samples of pages from the World Wide Web, building upon recent work by Henzinger et al. (Henzinger et al. 2000) and Bar-Yossef et al....

Probabilistic models for unified collaborative and content-based recommendation in sparse-data environments (2001)

Rin Popescul, Lyle H. Ungar, David M. Pennock, Steve Lawrence

Recommender systems leverage product and community information to target products to consumers. Researchers have developed collaborative recommenders, content-based recommenders, and a few hybrid...

Generative models for cold-start recommendations (2001)

Andrew I. Schein, Rin Popescul, Lyle H. Ungar, David M. Pennock

Systems for automatically recommending items (e.g., movies, products, or information) to users are becoming increasingly important in e-commerce applications, digital libraries, and other domains...

Probabilistic models for unified collaborative and content-based recommendation in sparse-data environments (2001)

Rin Popescul, Lyle H. Ungar, David M. Pennock, Steve Lawrence

Recommender systems leverage product and community information to target products to consumers. Researchers have developed collaborative recommenders, content-based recommenders, and a few hybrid...

Probabilistic models for unified collaborative and content-based recommendation in sparse-data environments (2001)

Rin Popescul, Lyle H. Ungar, David M. Pennock, Steve Lawrence

Recommender systems leverage product and community information to target products to consumers. Researchers have developed collaborative recommenders, content-based recommenders, and a few hybrid...

Improving Category Specific Web Search by Learning Query Modifications (2001)

Eric Glover, Eric J. Glover, Gary Flake, Gary W. Flake, Steve Lawrence, Steve Lawrence, ...

Users looking for documents within specific categories may have a difficult time locating valuable documents using general purpose search engines. We present an automated method for learning query...

Generative Models for Cold-Start Recommendations (2001)

Andrew Schein Alexandrin, Andrew I. Schein, Rin Popescul, Lyle H. Ungar, David M. Pennock

Systems for automatically recommending items (e.g., movies, products, or information) to users are becoming increasingly important in e-commerce applications, digital libraries, and other domains...

Generative Models for Cold-Start Recommendations (2001)

Andrew Schein Alexandrin, I. Schein, Rin Popescul, David M. Pennock, Lyle H. Ungar

Systems for automatically recommending items (e.g., movies, products, or information) to users are becoming increasingly important in e-commerce applications, digital libraries, and other domains...

Persistence of Web References in Scientific Research (2001)

Steve Lawrence, David M. Pennock, Gary William Flake, Robert Krovetz, Frans M. Coetzee, Eric Glover, ...

The lack of persistence of Web references has called into question the increasingly common practice of citing URLs in scientific papers. It is argued that although few critical resources have been...

The power of play: Efficiency and forecast accuracy in web market games (2000)

David M. Pennock, Steve Lawrence, C. Lee Giles, Finn Arup Nielsen

We analyze the eciency and forecast accuracy of two market games on the World Wide Web: the Hollywood Stock Exchange (HSX) and the Foresight Exchange (FX). We quantify the degree of arbitrage...

A normative examination of ensemble learning algorithms (2000)

David M. Pennock, C. Lee Giles, Eric Horvitz

Ensemble learning algorithms combine the results of several classifiers to yield an aggregate classification. We present a normative evaluation of combination methods, applying and extending existing...

A normative examination of ensemble learning algorithms (2000)

David M. Pennock, C. Lee Giles, Eric Horvitz

Ensemble learning algorithms combine the results of several classifiers to yield an aggregate classification. We present a normative evaluation of combination methods, applying and extending existing...

Social choice theory and recommender systems: Analysis of the axiomatic foundations of collaborative filtering (2000)

David M. Pennock

The growth of Internet commerce has stimulated the use of collaborative filtering (CF) algorithms as recommender systems. Such systems leverage knowledge about the behavior of multiple users to...

Social Choice Theory and Recommender Systems: Analysis of the Axiomatic Foundations of Collaborative Filtering (2000)

David M. Pennock, Eric Horvitz, C. Lee Giles

The growth of Internet commerce has stimulated the use of collaborative filtering (CF) algorithms as recommender systems. Such systems leverage knowledge about the behavior of multiple users to...

Compact Securities Markets for Pareto Optimal Reallocation of Risk (2000)

David M. Pennock, Michael P. Wellman

The securities market is the fundamental theoretical framework in economics and finance for resource allocation under uncertainty. Securities serve both to reallocate risk and to disseminate...

Collaborative Filtering by Personality Diagnosis: A Hybrid Memory- and Model-Based Approach (2000)

David M. Pennock

The growth of Internet commerce has stimulated the use of collaborative filtering (CF) algorithms as recommender systems. Such systems leverage knowledge about the known preferences of multiple users...

Compact securities markets for Pareto optimal reallocation of risk (2000)

David M. Pennock

The securities market is the fundamental theoretical framework in economics and finance for resource allocation under uncertainty. Securities serve both to reallocate risk and to disseminate...

Analysis of the Axiomatic Foundations of Collaborative Filtering (1999)

David M. Pennock, Eric Horvitz

The growth of Internet commerce has stimulated the use of collaborative filtering (CF) algorithms as recommender systems. Such systems leverage knowledge about the behavior of multiple users to...

A Market Framework for Pooling Opinions (1998)

David M. Pennock, Michael P. Wellman

Consider a group of Bayesians, each with a subjective probability distribution over a set of uncertain events. An opinion pool derives a single consensus distribution over the events, representative...

Representing Aggregate Belief through the Competitive Equilibrium of a Securities Market (1997)

David M. Pennock, Michael P. Wellman

We consider the problem of belief aggregation: given a group of individual agents with probabilistic beliefs over a set of of uncertain events, formulate a sensible consensus or aggregate probability...

Market-Based Belief Aggregation and Group Decision Making (1997)

David M. Pennock, Edmund H. Durfee, Daniel Koditschek, Stephen M. Pollock, Advisor Michael, P. Wellman

representation of a belief aggregation function: it inputs individual probability distributions across a set of (possibly related) events--- for example concerning politics and weather---and outputs...

Exploiting a Theory of Phase Transitions in Three-Satisfiability Problems (1996)

David M. Pennock, Quentin F. Stout

In the past few years there have been several empirical discoveries of phase transitions in constraint satisfaction problems (CSPs), and a growth of interest in the area among the artificial...

David M. Pennock (1996)

David M. Pennock, Quentin Stout

In the past few years there have been several empirical discoveries of phase transitions in constraint satisfaction problems (CSPs), and a growth of interest in the area among the artificial...