AAAI-05 / IAAI-05 Proceedings Proceedings, The Twentieth National Conference on Artificial Intelligence and the Seventeenth Innovative Applications of Artificial Intelligence Conference Menlo Park, California AAAI Press Copyright © 2005, American Association for Artificial Intelligence AAAI Press 445 Burgess Drive Menlo Park, California 94025 All rights reserved. No part of this book may be reproduced in any form by any electronic or mechanical means (including photocopying, recording, or information storage and retrieval) without permission in writing from the publisher. ISBN 1-57735-236-x Printed on acid free paper. Manufactured in the United States of America Contents AAAI Organization / xxvii Program Committees / xxxi Outstanding Paper Award / xli Sponsors/ xliii AAAI-05 Preface / xlv Manuela Veloso and Subbarao Kambhampati IAAI-05 Preface / xlvii Neil Jacobstein and Bruce Porter Invited Talks / xlix AAAI–05 Technical Papers Activity and Plan Recognition Multiple-Goal Recognition from Low-Level Signals / 3 Xiaoyong Chai and Qiang Yang A Variational Learning Algorithm for the Abstract Hidden Markov Model / 9 Jeffrey Johns and Sridhar Mahadevan Large-Scale Localization from Wireless Signal Strength / 15 Julie Letchner, Dieter Fox, and Anthony LaMarca Unsupervised Activity Recognition Using Automatically Mined Common Sense / 21 Danny Wyatt, Matthai Philipose, and Tanzeem Choudhury Activity Recognition through Goal-Based Segmentation / 28 Jie Yin, Dou Shen, Qiang Yang, and Ze-Nian Li Agents / Multiagent Systems Team Member Reallocation via Tree Pruning / 35 Noa Agmon, Gal A. Kaminka, and Sarit Kraus Efficient No-Regret Multiagent Learning / 41 Bikramjit Banerjee and Jing Peng Solving DisCSPs with Penalty Driven Search / 47 Muhammed Basharu, Ines Arana, and Hatem Ahriz v Coordination and Adaptation in Impromptu Teams / 53 Michael Bowling and Peter McCracken Robust and Self-Repairing Formation Control for Swarms of Mobile Agents / 59 Jimming Cheng, Winston Cheng, and Radhika Nagpal An Extended Protocol for Multiple-Issue Concurrent Negotiation / 65 Jiangbo Dang and Michael N. Huhns The Semantics of Potential Intentions / 71 Xiaocong Fan and John Yen Agent-Organized Networks for Multi-Agent Production and Exchange / 77 Matthew E. Gaston and Marie desJardins Supporting Collaborative Activity / 83 Meirav Hadad, Gilad Armon-Kest, Gal A. Kaminka, and Sarit Kraus Multiple Agent Event Detection and Representation in Videos / 89 Asaad Hakeem and Mubarak Shah Anyone but Him: The Complexity of Precluding an Alternative / 95 Edith Hemaspaandra, Lane A. Hemaspaandra, and Jörg Rothe Towards Model-Based Diagnosis of Coordination Failures / 102 Meir Kalech and Gal A. Kaminka Flexible Teamwork in Behavior-Based Robots / 108 Gal A. Kaminka and Inna Frenkel Coordinating Agile Systems through the Model-based Execution of Temporal Plans / 114 Thomas Léauté and Brian C. Williams Controversial Users Demand Local Trust Metrics: An Experimental Study on Epinions.com Community / 121 Paolo Massa and Paolo Avesani Modeling Human Behavior for Virtual Training Systems / 127 Yohei Murakami, Yuki Sugimoto, and Toru Ishida Networked Distributed POMDPs: A Synthesis of Distributed Constraint Optimization and POMDPs / 133 Ranjit Nair, Pradeep Varakantham, Milind Tambe, and Makoto Yokoo New Approaches to Optimization and Utility Elicitation in Autonomic Computing / 140 Relu Patrascu, Craig Boutilier, Rajarshi Das, Jeffrey O. Kephart, Gerald Tesauro, and William E. Walsh An Ecological Approach to Agent Population Management / 146 Maxim D. Peysakhov, Robert N. Lass, William C. Regli, and Moshe Kam Distributing Coalitional Value Calculations among Cooperative Agents / 152 Talal Rahwan and Nicholas R. Jennings Cooperative Exploration in the Electronic Marketplace / 158 David Sarne and Sarit Kraus Solving the Auction-Based Task Allocation Problem in an Open Environment / 164 David Sarne and Sarit Kraus vi Profit Sharing Auction / 170 Sandip Sen, Teddy Candale, and Susnata Basak OAR: A Formal Framework for Multi-Agent Negotiation / 176 Jiaying Shen, Ingo Weber, and Victor Lesser Tool Use for Autonomous Agents / 184 Robert St. Amant and Alexander B. Wood Observation-Based Model for BDI-Agents / 190 Kaile Su, Abdul Sattar, Kewen Wang, Xiangyu Luo, Guido Governatori, and Vineet Padmanabhan Stable Service Placement on Dynamic Peer-to-Peer Networks: A Heuristic for the Distributed k-Center Problem / 196 Evan A. Sultanik and William C. Regli Analogical and Case-Based Reasoning Analogical Learning of Visual/Conceptual Relationships in Sketches / 202 Kenneth D. Forbus, Jeffrey Usher, and Emmett Tomai Solving Everyday Physical Reasoning Problems by Analogy Using Sketches / 209 Matthew Klenk, Kenneth D. Forbus, Emmett Tomai, Hyeonkyeong Kim, and Brian Kyckelhahn Complexity-Guided Case Discovery for Case Based Reasoning / 216 Stewart Massie, Susan Craw, and Nirmalie Wiratunga Interactive Knowledge Validation and Query Refinement in CBR / 222 Monica H. Ou, Geoff A. W. West, Mihai Lazarescu, and Chris Clay Competence Driven Case-Base Mining / 228 Rong Pan, Qiang Yang, Jeffrey Junfeng Pan, and Lei Li A Domain-Independent System for Case-Based Task Decomposition without Domain Theories / 234 Ke Xu and Hector Muñoz-Avila Auctions and Market-Based Systems Mechanism Design for Single-Value Domains / 241 Moshe Babaioff, Ron Lavi, and Elan Pavlov Combinatorial Auctions with k-wise Dependent Valuations / 248 Vincent Conitzer, Tuomas Sandholm, and Paolo Santi Expressive Negotiation in Settings with Externalities / 255 Vincent Conitzer and Tuomas Sandholm A New Strategy-Proof Greedy-Allocation Combinatorial Auction Protocol and Its Extension to Open Ascending Auction Protocol / 261 Takayuki Ito, Makoto Yokoo, Atsushi Iwasaki, and Shigeo Matsubara vii Approximating Revenue-Maximizing Combinatorial Auctions / 267 Anton Likhodedov and Tuomas Sandholm Automated Reasoning The Achilles’ Heel of QBF / 275 Carlos Ansotegui, Carla P. Gomes, and Bart Selman Combining Stochastic and Greedy Search in Hybrid Estimation / 282 Lars Blackmore, Stanislav Funiak, and Brian Williams Propositional Fragments for Knowledge Compilation and Quantified Boolean Formulae / 288 Sylvie Coste-Marquis, Daniel Le Berre, Florian Letombe, and Pierre Marquis Axiom Schemata as Metalevel Axioms: Model Theory / 294 Timothy L. Hinrichs and Michael R. Genesereth On Compiling System Models for Faster and More Scalable Diagnosis / 300 Jinbo Huang and Adnan Darwiche A Discourse Planning Approach to Cinematic Camera Control for Narratives in Virtual Environments / 307 Arnav Jhala and R. Michael Young Dependency-Directed Reconsideration Belief Base Optimization for Truth Maintenance Systems / 313 Frances L. Johnson and Stuart C. Shapiro Diagnosis as Approximate Belief State Enumeration for Probabilistic Concurrent Constraint Automata / 321 Oliver B. Martin, Brian C. Williams, and Michel D. Ingham Model-Based Monitoring and Diagnosis of Systems with Software-Extended Behavior / 327 Tsoline Mikaelian, Brian C. Williams, and Martin Sachenbacher Recommender Systems: Attack Types and Strategies / 334 Michael P. O’Mahony, Neil J. Hurley, and Guénolé C. M. Silvestre Compact Propositional Encodings of First-Order Theories / 340 Deepak Ramachandran and Eyal Amir Identifying Direct Causal Effects in Linear Models / 346 Jin Tian Constraint Satisfaction and Satisfiability Old Resolution Meets Modern SLS / 354 A. Anbulagan, Duc Nghia Pham, John Slaney, and Abdul Sattar CSP Properties for Quantified Constraints: Definitions and Complexity / 360 Lucas Bordeaux, Marco Cadoli, and Toni Mancini viii Constrained Decision Diagrams / 366 Kenil C. K. Cheng and Roland H. C. Yap Finding Diverse and Similar Solutions in Constraint Programming / 372 Emmanuel Hebrard, Brahim Hnich, Barry O’Sullivan, and Toby Walsh Weighted Super Solutions for Constraint Programs / 378 Alan Holland and Barry O’Sullivan Generating Hard Satisfiable Formulas by Hiding Solutions Deceptively / 384 Haixia Jia, Cristopher Moore, and Doug Strain Generalized NoGoods in CSPs / 390 George Katsirelos and Fahiem Bacchus Neighborhood Interchangeability and Dynamic Bundling for Non-Binary Finite CSPs / 397 Anagh Lal, Berthe Y. Choueiry, and Eugene C. Freuder A Fast Arc Consistency Algorithm for n-ary Constraints / 405 Olivier Lhomme and Jean-Charles Régin Quick Shaving / 411 Olivier Lhomme DC-SSAT: A Divide-and-Conquer Approach to Solving Stochastic Satisfiability Problems Efficiently / 416 Stephen M. Majercik and Byron Boots A Constraint Satisfaction Approach to Geospatial Reasoning / 423 Martin Michalowski and Craig A. Knoblock A Framework for Representing and Solving NP Search Problems / 430 David G. Mitchell and Eugenia Ternovska Generation of Hard Non-Clausal Random Satisfiability Problems / 436 Juan A. Navarro and Andrei Voronkov Anytime, Complete Algorithm for Finding Utilitarian Optimal Solutions to STPPs / 443 Bart Peintner and Martha E. Pollack Superstabilizing, Fault-Containing Distributed Combinatorial Optimization / 449 Adrian Petcu, Boi Faltings SAT-Based versus CSP-Based Constraint Weighting for Satisfiability / 455 Duc Nghia Pham, John Thornton, Abdul Sattar, and Abdelraouf Ishtaiwi Constraint-Based Preferential Optimization / 461 Steve Prestwich, Francesca Rossi, Kristen Brent Venable, and Toby Walsh SymChaff: A Structure-Aware Satisfiability Solver / 467 Ashish Sabharwal Performing Bayesian Inference by Weighted Model Counting / 475 Tian Sang, Paul Beame, and Henry Kautz ix Game Theory and Economic Models A Generalized Strategy Eliminability Criterion and Computational Methods for Applying It / 483 Vincent Conitzer and Tuomas Sandholm Fast and Compact: A Simple Class of Congestion Games / 489 Samuel Ieong, Robert McGrew, Eugene Nudelman, Yoav Shoham, and Qixiang Sun Mixed-Integer Programming Methods for Finding Nash Equilibria / 495 Tuomas Sandholm, Andrew Gilpin, and Vincent Conitzer Approximate Strategic Reasoning through Hierarchical Reduction of Large Symmetric Games / 502 Michael P. Wellman, Daniel M. Reeves, Kevin M. Lochner, Shih-Fen Cheng, and Rahul Suri Coalitional Games in Open Anonymous Environments / 509 Makoto Yokoo, Vincent Conitzer, Tuomas Sandholm, Naoki Ohta, and Atsushi Iwasaki Human-Computer Interaction Mathematical Domain Reasoning Tasks in Natural Language Tutorial Dialog on Proofs / 516 Christoph Benzmüller and Quoc Bao Vo Real-Time Classification of Electromyographic Signals for Robotic Control / 523 Beau Crawford, Kai Miller, Pradeep Shenoy, and Rajesh Rao A Decision Theoretic Model for Stress Recognition and User Assistance / 529 Wenhui Liao, Weihong Zhang, Zhiwei Zhu, and Qiang Ji On the Evaluation of Dynamic Critiquing: A Large-Scale User Study / 535 Kevin McCarthy, Lorraine McGinty, Barry Smyth, and James Reilly Optimal Recommendation Sets: Covering Uncertainty over User Preferences / 541 Robert Price and Paul R. Messinger Goal-Directed Site-Independent Recommendations from Passive Observations / 549 Tingshao Zhu, Russ Greiner, Gerald Häubl, Kevin Jewell, and Robert Price Knowledge Acquisition and Engineering An Analysis of Procedure Learning by Instruction / 558 Jim Blythe An Analysis of Knowledge Collected from Volunteer Contributors / 564 Timothy Chklovski and Yolanda Gil Knowledge Representation and Reasoning Integrating Description Logics and Action Formalisms: First Results / 572 Franz Baader, Carsten Lutz, Maja Milicic, Ulrike Sattler, and Frank Wolter x Using SAT and Logic Programming to Design Polynomial-Time Algorithms for Planning in Non-Deterministic Domains / 578 Chitta Baral, Thomas Eiter, and Jicheng Zhao Hybrid Possibilistic Networks / 584 Salem Benferhat and Salma Smaoui Practical First-Order Argumentation / 590 Philippe Besnard and Anthony Hunter Prioritized Component Systems / 596 Gerhard Brewka, Ilkka Niemelä, and Miroslaw Truszczynski DL-Lite: Tractable Description Logics for Ontologies / 602 Diego Calvanese, Giuseppe De Giacomo, Domenico Lembo, Maurizio Lenzerini, and Riccardo Rosati An Axiomatic Account of Formal Argumentation / 608 Martin Caminada and Leila Amgoud Merging Argumentation Systems / 614 Sylvie Coste-Marquis, Caroline Devred, Sébastien Konieczny, Marie-Christine Lagasquie-Schiex, and Pierre Marquis DD-PREF: A Language for Expressing Preferences over Sets / 620 Marie desJardins and Kiri L. Wagstaff Cumulative Effects of Concurrent Actions on Numeric-Valued Fluents / 627 Esra Erdem and Alfredo Gabaldon Only-Knowing: Taking It Beyond Autoepistemic Reasoning / 633 Gerhard Lakemeyer and Hector J. Levesque Tractable Reasoning in First-Order Knowledge Bases with Disjunctive Information / 639 Yongmei Liu and Héctor J. Levesque Knowledge Integration for Description Logics / 645 Thomas Meyer, Kevin Lee, and Richard Booth Analysis of Strategic Knowledge in Back of the Envelope Reasoning / 651 Praveen K. Paritosh and Kenneth D. Forbus Generalized Link Properties for Expressive ε-Connections of Description Logics / 657 Bijan Parsia and Bernardo Cuenca Grau Functional Specification of Probabilistic Process Models / 663 Avi Pfeffer Diagnosing Terminologies / 670 Stefan Schlobach Issues in Reasoning about Interaction Networks in Cells: Necessity of Event Ordering Knowledge / 676 Nam Tran, Chitta Baral, and Carron Shankland xi A Theory of Forgetting in Logic Programming / 682 Kewen Wang, Abdul Sattar, and Kaile Su Logic Programming Reasoning about Intended Actions / 689 Chitta Baral and Michael Gelfond Strong and Uniform Equivalence in Answer-Set Programming: Characterizations and Complexity Results for the Non-Ground Case / 695 Thomas Eiter, Michael Fink, Hans Tompits, and Stefan Woltran Properties of Programs with Monotone and Convex Constraints / 701 Lengning Liu and Miroslaw Truszczynski A Unified Framework for Representing Logic Program Updates / 707 Yan Zhang and Norman Foo Machine Learning Robust Supervised Learning / 714 J. Andrew Bagnell Weighted One-Against-All / 720 Alina Beygelzimer, John Langford, and Bianca Zadrozny Optimal Efficient Learning Equilibrium: Imperfect Monitoring in Symmetric Games / 726 Ronen I. Brafman and Moshe Tennenholtz Discovering Domain-Specific Composite Kernels / 732 Thomas Briggs and Tim Oates A Comparison of Novel and State-of-the-Art Polynomial Bayesian Network Learning Algorithms / 739 Laura E. Brown, Ioannis Tsamardinos, and Constantin F. Aliferis Reducing Labeling Effort for Structured Prediction Tasks / 746 Aron Culotta and Andrew McCallum Towards Learning Stochastic Logic Programs from Proof-Banks / 752 Luc De Raedt, Kristian Kersting, and Sunna Torge Incremental Estimation of Discrete Hidden Markov Models Based on a New Backward Procedure / 758 German Florez-Larrahondo, Susan Bridges, and Eric A. Hansen A Hybrid Generative/Discriminative Approach to Semi-Supervised Classifier Design / 764 Akinori Fujino, Naonori Ueda, and Kazumi Saito Discriminative Model Selection for Belief Net Structures / 770 Yuhong Guo and Russ Greiner Transforming between Propositions and Features: Bridging the Gap / 777 Daniel T. Halstead and Kenneth D. Forbus xii Effective Short-Term Opponent Exploitation in Simplified Poker / 783 Bret Hoehn, Finnegan Southey, Robert C. Holte, and Valeriy Bulitko Non-Stationary Policy Learning in 2-Player Zero Sum Games / 789 Steven Jensen, Daniel Boley, Maria Gini, and Paul Schrater nFOIL: Integrating Naïve Bayes and FOIL / 795 Niels Landwehr, Kristian Kersting, and Luc De Raedt Using Modified Lasso Regression to Learn Large Undirected Graphs in a Probabilistic Framework / 801 Fan Li and Yiming Yang The Regularized EM Algorithm / 807 Haifeng Li, Keshu Zhang, and Tao Jiang Semi-Supervised Sequence Modeling with Syntactic Topic Models / 813 Wei Li and Andrew McCallum Giving Advice about Preferred Actions to Reinforcement Learners Via Knowledge-Based Kernel Regression / 819 Richard Maclin, Jude Shavlik, Lisa Torrey, Trevor Walker, and Edward Wild Distribution-Free Learning of Bayesian Network Structure in Continuous Domains / 825 Dimitris Margaritis Online Query Relaxation via Bayesian Causal Structures Discovery / 831 Ion Muslea and Thomas J. Lee Redescription Mining: Structure Theory and Algorithms / 837 Laxmi Parida and Naren Ramakrishnan Spectral Clustering of Biological Sequence Data / 845 William Pentney and Marina Meila Enhanced Direct Linear Discriminant Analysis for Feature Extraction on High Dimensional Data / 851 A. K. Qin, S. Y. M. Shi, P. N. Suganthan, and Marco Loog A Maximum Likelihood Framework for Integrating Taxonomies / 856 Suju Rajan, Kunal Punera, and Joydeep Ghosh Constraint-Based Entity Matching / 862 Warren Shen, Xin Li, and AnHai Doan Discriminative Training of Markov Logic Networks / 868 Parag Singla and Pedro Domingos Representing Conditional Independence Using Decision Trees / 874 Jiang Su and Harry Zhang Value Functions for RL-Based Behavior Transfer: A Comparative Study / 880 Matthew E. Taylor, Peter Stone, and Yaxin Liu Online Resource Allocation Using Decompositional Reinforcement Learning / 886 Gerald Tesauro xiii Inducing Hierarchical Process Models in Dynamic Domains / 892 Ljupco Todorovski, Will Bridewell, Oren Shiran, and Pat Langley Software Testing by Active Learning for Commercial Games / 898 Gang Xiao, Finnegan Southey, Robert C. Holte, and Dana Wilkinson Unsupervised and Semi-Supervised Multi-Class Support Vector Machines / 904 Linli Xu and Dale Schuurmans Learning Planning Rules in Noisy Stochastic Worlds / 911 Luke S. Zettlemoyer, Hanna M. Pasula, and Leslie Pack Kaelbling Hidden Naive Bayes / 919 Harry Zhang, Liangxiao Jiang, and Jiang Su Finite Sample Error Bound for Parzen Windows / 925 Peng Zhang, Jing Peng, and Norbert Riedel Machine Perception Cross-Modal Clustering / 932 Michael H. Coen A Computational Model of the Cerebral Cortex / 938 Thomas Dean Data-Driven MCMC for Learning and Inference in Switching Linear Dynamic Systems / 944 Sang Min Oh, James M. Rehg, Tucker Balch, and Frank Dellaert Function-Based Classification from 3D Data via Generic and Symbolic Models / 950 Michael Pechuk, Octavian Soldea, and Ehud Rivlin Learning Static Object Segmentation from Motion Segmentation / 956 Michael G. Ross and Leslie Pack Kaelbling Semantic Scene Concept Learning by an Autonomous Agent / 962 Weiyu Zhu Markov Decision Processes and Uncertainty A Particle Filtering Based Approach to Approximating Interactive POMDPs / 969 Prashant Doshi and Piotr J. Gmytrasiewicz Efficient Maximization in Solving POMDPs / 975 Zhengzhu Feng and Shlomo Zilberstein Extending Continuous Time Bayesian Networks / 981 Karthik Gopalratnam, Henry Kautz, and Daniel S. Weld Planning in Models that Combine Memory with Predictive Representations of State / 987 Michael R. James and Satinder Singh Risk-Sensitive Planning with One-Switch Utility Functions: Value Iteration / 993 Yaxin Liu and Sven Koenig xiv Samuel Meets Amarel: Automating Value Function Approximation Using Global State Space Analysis / 1000 Sridhar Mahadevan Error Bounds for Approximate Value Iteration / 1006 Rémi Munos Geometric Variance Reduction in Markov Chains. Application to Value Function and Gradient Estimation / 1012 Rémi Munos Modeling Form for On-line Following of Musical Performances / 1018 Bryan Pardo and William Birmingham Improving Action Selection in MDP’s via Knowledge Transfer / 1024 Alexander A. Sherstov and Peter Stone Planning and Execution with Phase Transitions / 1030 Håkan L. S. Younes Natural Language Processing and Speech Recognition Scaling Up Word Sense Disambiguation via Parallel Texts / 1037 Yee Seng Chan and Hwee Tou Ng An Inference Model for Semantic Entailment in Natural Language / 1043 Rodrigo de Salvo Braz, Roxana Girju, Vasin Punyakanok, Dan Roth, and Mark Sammons A Probabilistic Classification Approach for Lexical Textual Entailment / 1050 Oren Glickman, Ido Dagan, and Moshe Koppel Clustering and Classifying Person Names by Origin / 1056 Fei Huang, Stephan Vogel, and Alex Waibel Learning to Transform Natural to Formal Languages / 1062 Rohit J. Kate, Yuk Wah Wong, and Raymond J. Mooney Impact of Linguistic Analysis on the Semantic Graph Coverage and Learning of Document Extracts / 1069 Jure Leskovec, Natasa Milic-Frayling, Marko Grobelnik Unsupervised Multilingual Word Sense Disambiguation via an Interlingua / 1075 Kornél Markó, Stefan Schulz, and Udo Hahn Supervised Ranking for Pronoun Resolution: Some Recent Improvements / 1081 Vincent Ng Cross-Lingual Bootstrapping of Semantic Lexicons: The Case of FrameNet / 1087 Sebastian Padó and Mirella Lapata Word Sense Disambiguation with Semi-Supervised Learning / 1093 Thanh Phong Pham, Hwee Tou Ng, and Wee Sun Lee Robust Textual Inference Via Learning and Abductive Reasoning / 1099 Rajat Raina, Andrew Y. Ng, and Christopher D. Manning xv Exploiting Subjectivity Classification to Improve Information Extraction / 1106 Ellen Riloff, Janyce Wiebe, and William Phillips Dependency Parsing with Dynamic Bayesian Network / 1112 Virginia Savova and Leonid Peshkin Spotting Subsequences Matching an HMM Using the Average Observation Probability Criteria with Application to Keyword Spotting / 1118 Marius Calin Silaghi Capturing Expression Using Linguistic Information / 1124 Özlem Uzuner and Boris Katz Planning and Scheduling State Agnostic Planning Graphs and the Application to Belief-Space Planning / 1131 William Cushing and Daniel Bryce Genome Rearrangement and Planning / 1139 Esra Erdem and Elisabeth Tillier Quasi-Monotonic Segmentation of State Variable Behavior for Reactive Control / 1145 Will Fitzgerald, Daniel Lemire, and Martin Brooks Validating Plans in the Context of Processes and Exogenous Events / 1151 Maria Fox, Richard Howey, and Derek Long Fast Planning in Domains with Derived Predicates: An Approach Based on Rule-Action Graphs and Local Search / 1157 Alfonso Gerevini, Alessandro Saetti, Ivan Serina, and Paolo Toninelli New Admissible Heuristics for Domain-Independent Planning / 1163 Patrik Haslum, Blai Bonet, and Héctor Geffner Using Domain-Configurable Search Control for Probabilistic Planning / 1169 Ugur Kuter and Dana Nau Lazy Approximation for Solving Continuous Finite-Horizon MDPs / 1175 Lihong Li and Michael L. Littman Prottle: A Probabilistic Temporal Planner / 1181 Iain Little, Douglas Aberdeen, and Sylvie Thiébaux Augmenting Disjunctive Temporal Problems with Finite-Domain Constraints / 1187 Michael D. Moffitt, Bart Peintner, and Martha E. Pollack Temporal Dynamic Controllability Revisited / 1193 Paul Morris and Nicola Muscettola Exploiting Temporal Flexibility to Obtain High Quality Schedules / 1199 Nicola Policella, Xiaofang Wang, Stephen F. Smith, and Angelo Oddi Planning for Stream Processing Systems / 1205 Anton Riabov and Zhen Liu xvi Conformant Planning for Domains with Constraints—A New Approach / 1211 Tran Cao Son, Phan Huy Tu, Michael Gelfond, and A. Ricardo Morales Learning Measures of Progress for Planning Domains / 1217 SungWook Yoon, Alan Fern, and Robert Givan Exploiting the Structure of Hierarchical Plans in Temporal Constraint Propagation / 1223 Neil Yorke-Smith Sensor Selection for Active Information Fusion / 1229 Yongmian Zhang and Qiang Ji Simultaneous Heuristic Search for Conjunctive Subgoals / 1235 Lin Zhu and Robert Givan Robotics Reactive Planning in a Motivated Behavioral Architecture / 1242 Éric Beaudry, Yannick Brosseau, Carle Côté, Clément Raïevsky, Dominic Létourneau, Froduald Kabanza, and François Michaud A Distributed Approach to Passive Localization for Sensor Networks / 1248 Rahul Biswas and Sebastian Thrun Recovery Planning for Ambiguous Cases in Perceptual Anchoring / 1254 Mathias Broxvall, Silvia Cordeschi, Lars Karlsson, and Alessandro Saffiotti A Multifrontal QR Factorization Approach to Distributed Inference Applied to Multirobot Localization and Mapping / 1261 Frank Dellaert, Alexander Kipp, and Peter Krauthausen Learning CPG Sensory Feedback with Policy Gradient for Biped Locomotion for a Full-Body Humanoid / 1267 Gen Endo, Jun Morimoto, Takamitsu Matsubara, Jun Nakanishi, and Gordon Cheng Tactic-Based Motion Modeling and Multi-Sensor Tracking / 1274 Yang Gu A Relational Representation for Procedural Task Knowledge / 1280 Stephen Hart, Roderic Grupen, and David Jensen Controlling Tiny Multi-Scale Robots for Nerve Repair / 1286 Tad Hogg and David W. Sretavan Heterogeneous Multirobot Coordination with Spatial and Temporal Constraints / 1292 Mary Koes, Illah Nourbakhsh, and Katia Sycara Consciousness: Drinking from the Firehose of Experience / 1298 Benjamin Kuipers Semantic Place Classification of Indoor Environments with Mobile Robots Using Boosting / 1306 Axel Rottmann, Óscar Martínez Mozos, Cyrill Stachniss, and Wolfram Burgard xvii Learning to Prevent Failure States for a Dynamically Balancing Robot / 1312 Jeremy Searock and Brett Browning Autonomous Color Learning on a Mobile Robot / 1318 Mohan Sridharan and Peter Stone Mobile Robot Mapping and Localization in Non-Static Environments / 1324 Cyrill Stachniss and Wolfram Burgard Improving Simultaneous Mapping and Localization in 3D Using Global Constraints / 1330 Rudolph Triebel and Wolfram Burgard Bitbots: Simple Robots Solving Complex Tasks / 1336 Anna Yershova, Benjamín Tovar, Robert Ghrist, and Steven M. LaValle Search An Algorithm Better than AO*? / 1343 Blai Bonet and Héctor Geffner Speeding Up Learning in Real-time Search via Automatic State Abstraction / 1349 Vadim Bulitko, Nathan Sturtevant, and Maryia Kazakevich The Max K-Armed Bandit: A New Model of Exploration Applied to Search Heuristic Selection / 1355 Vincent A. Cicirello and Stephen F. Smith Cost-Algebraic Heuristic Search / 1362 Stefan Edelkamp, Shahid Jabbar, and Alberto Lluch Lafuente Backbones and Backdoors in Satisfiability / 1368 Philip Kilby, John Slaney, Sylvie Thiébaux, and Toby Walsh Search versus Knowledge for Solving Life and Death Problems in Go / 1374 Akihiro Kishimoto and Martin Müller Large-Scale Parallel Breadth-First Search / 1380 Richard E. Korf and Peter Schultze Domain-Dependent Parameter Selection of Search-based Algorithms Compatible with User Performance Criteria / 1386 Biplav Srivastava and Anupam Mediratta Partial Pathfinding Using Map Abstraction and Refinement / 1392 Nathan Sturtevant and Michael Buro External-Memory Pattern Databases Using Structured Duplicate Detection / 1398 Rong Zhou and Eric A. Hansen Semantic Web, Information Retrieval, and Extraction Selection and Ranking of Propositional Formulas for Large-Scale Service Directories / 1406 Ion Constantinescu, Walter Binder, and Boi Faltings xviii WebCrow: A Web-Based System for Crossword Solving / 1412 Marco Ernandes, Giovanni Angelini, and Marco Gori A Learning-Based Term-Weighting Approach for Information Retrieval / 1418 GuangCan Liu, Yong Yu, and Xing Zhu Query Translation Disambiguation as Graph Partitioning / 1424 Yi Liu and Rong Jin Searching for Common Sense: Populating Cyc™ from the Web / 1430 Cynthia Matuszek, Michael Witbrock, Robert C. Kahlert, John Cabral, David Schneider, Purvesh Shah, and Doug Lenat Automatic Text Summarization of Newswire: Lessons Learned from the Document Understanding Conference / 1436 Ani Nenkova A Graph Theoretical Foundation for Integrating RDF Ontologies / 1442 Octavian Udrea, Yu Deng, Edna Ruckhaus, V.S. Subrahmanian Seventeenth Innovative Applications of Artificial Intelligence Conference Deployed Application Papers Automating the Underwriting of Insurance Applications / 1451 Kareem S. Aggour and William Cheetham Loads-n-Limits and Release-n-Sequence: The “Brains” behind WEPS / 1459 Paul S. Cerkez Scheduling Engineering Works for the MTR Corporation in Hong Kong / 1467 Andy Hon Wai Chun, Dennis Wai Ming Yeung, Garbbie Pui Shan Lam, Daniel Lai, Richard Keefe, Jerome Lam, and Helena Chan Knowledge-based Interactive Selling of Financial Services with FSAdvisor / 1475 Alexander Felfernig and Alfred Kiener TEXTAL:™ Automated Crystallographic Protein Structure Determination / 1483 Kreshna Gopal, Tod Romo, Erik McKee, Kevin Childs, Lalji Kanbi, Reetal Pai, Jacob Smith, James Sacchettini, and Thomas Ioerger NESTA: NASA Engineering Shuttle Telemetry Agent / 1491 Glenn S. Semmel, Steven R. Davis, Kurt W. Leucht, Dan A. Rowe, Kevin E. Smith, and Ladislau Bölöni CORMS AI: Decision Support System for Monitoring US Maritime Environment / 1499 Haleh Vafaie and Carl Cecere xix Emerging Applications Boosting Sex Identification Performance / 1508 Shumeet Baluja and Henry Rowley The Deep Space Network Scheduling Problem / 1514 Bradley J. Clement and Mark D. Johnston A Multi-Agent Simulator for Teaching Police Allocation / 1521 Vasco Furtado and Eurico Vasconcelos Markov Decision Processes for Control of a Sensor Network-based Health Monitoring System / 1529 Anand Panangadan, Syed Muhammad Ali, and Ashit Talukder Automatically Acquiring Domain Knowledge for Adaptive Game AI Using Evolutionary Learning / 1535 Marc J. V. Ponsen, Héctor Muñoz-Avila, Pieter Spronck, and David W. Aha Activity Recognition from Accelerometer Data / 1541 Nishkam Ravi, Nikhil Dandekar, Preetham Mysore, and Michael L. Littman Development of a Hybrid Knowledge-Based System for Multiobjective Optimization of Power Distribution System Operations / 1547 Robert J. Sárfi and A. M. G. Solo The DEFACTO System: Training Tool for Incident Commanders / 1555 Nathan Schurr, Janusz Marecki, J. P. Lewis, Milind Tambe, and Paul Scerri A Knowledge-Based Approach to Network Security: Applying Cyc in the Domain of Network Risk Assessment / 1563 Blake Shepard, Cynthia Matuszek, C. Bruce Fraser, William Wechtenhiser, David Crabbe, Zelal Güngördü, John Jantos, Todd Hughes, Larry Lefkowitz, Michael Witbrock, Doug Lenat, and Erik Larson Managing the Life Cycle of Plans / 1569 Biplav Srivastava, Jussi Vanhatalo, and Jana Koehler A Learning Architecture for Automating the Intelligent Environment / 1576 G. Michael Youngblood, Diane J. Cook, and Lawrence B. Holder Student Abstracts Machine Learning and Its Application at Nooksack Falls Hydroelectric Station / 1584 Scott Alexander and Jianna Zhang Helicopter Routing for Maintaining Remote Sites in Alaska Using a Genetic Algorithm / 1586 Nicholas Armstrong-Crews and Kenrick Mock Autonomous Subgoal Discovery and Hierarchical Abstraction for Reinforcement Learning Using Monte Carlo Method / 1588 Mehran Asadi and Manfred Huber xx Mixed-Initiative Approach to Collaboration in the Mathematical Domain / 1590 Nadya Belov and Joshua Shaffer On Predicting User Intent / 1592 Nadya Belov DR-Prolog: A System for Reasoning with Rules and Ontologies on the Semantic Web / 1594 Antonis Bikakis and Grigoris Antoniou Genre Classification of Web Documents / 1596 Elizabeth Sugar Boese and Adele Howe Rule Refinement by Domain Experts in Complex Knowledge Bases / 1598 Cristina Boicu, Gheorghe Tecuci, and Mihai Boicu Use of Expert Knowledge for Decision Tree Pruning / 1600 Jingfeng Cai and John Durkin Learning Support Vector Machines from Distributed Data Sources / 1602 Cornelia Caragea, Doina Caragea, and Vasant Honavar Boosting Semantic Web Data Access Using Swoogle / 1604 Li Ding and Tim Finin Towards Exploiting Duality in Approximate Linear Programming for MDPs / 1606 Dmitri Dolgov and Edmund Durfee Manufacturing Processes Recognition of Machined Mechanical Parts using SVMs / 1608 Cheuk Yiu Ip and William C. Regli An Automated Distributed Meeting Scheduler for FCVW Plug-in / 1610 Hsiang-Hwa Koo and Elhadi Shakshuki Description Logic-Ground Knowledge Integration and Management / 1612 Joseph B. Kopena Continuous Speech Recognition Using Modified Stack Decoding Algorithm / 1614 David C. Lee Qualitative Dimensions in Question Answering: Extending the Definitional QA Task / 1616 Lucian Vlad Lita, Andrew Hazen Schlaikjer, WeiChang Hong, and Eric Nyberg A Learning Support Method in Qualitative Simulation-Based Economic Education / 1618 Tokuro Matsuo, Takayuki Ito, and Toramatsu Shintani Evolving AI Opponents in a First-Person-Shooter Video Game / 1620 C. Adam Overholtzer and Simon D. Levy A Framework for Bayesian Network Mapping / 1622 Rong Pan and Yun Peng Minimizing Environmental Swings with a Recurrent Neural Network Control System / 1624 Sam Skrivan, Jianna Zhang, and Debra Jusak xxi Autonomous Learning of Tool Affordances by a Robot / 1626 Alexander Stoytchev Heuristics for Agent Routing and Itinerary Optimization on Dynamic Networks / 1628 Evan A. Sultanik Approximate Inference of Bayesian Networks through Edge Deletion / 1630 Julie Thornton Towards Truthful Mechanisms for Binary Demand Games: A General Framework / 1632 Weizhao Wang and Xiang-Yang Li The Tenth AAAI/SIGART Doctoral Consortium Leveraging Language into Learning / 1636 Jacob Beal Dissertation in Progress: An Empirical Analysis of the Costs and Benefits of Naturalness in Spoken Dialog Systems / 1638 Ellen Campana Learning Source Descriptions for Web Services / 1640 Mark James Carman Computational Aspects of Mechanism Design / 1642 Vincent Conitzer On Boosting Semantic Web Data Access / 1644 Li Ding Dynamic Regime Identification and Prediction Based on Observed Behavior in Electronic Marketplaces / 1646 Wolfgang Ketter Adaptive Modeling and Planning for Reactive Agents / 1648 Mykel J. Kochenderfer Self-Emergence of Structures in Gene Expression Programming / 1650 Xin Li Concurrent Hierarchical Reinforcement Learning / 1652 Bhaskara Marthi Discourse Factors in Multi-Document Summarization / 1654 Ani Nenkova Structure Learning for Statistical Relational Models / 1656 Jennifer Neville Towards Competence in Autonomous Agents / 1658 Özgür Simsek Rover Science Autonomy: Probabilistic Planning for Science-Aware Exploration / 1660 Trey Smith xxii Natural Language Generation for Text-to-Text Applications Using an Information-Slim Representation / 1662 Radu Soricut Planning for Geospatial Data Integration / 1664 Snehal Thakkar Improving Reinforcement Learning Function Approximators via Neuroevolution / 1666 Shimon Whiteson Intelligent Systems Demonstrations QuOnto: Querying Ontologies / 1670 Andrea Acciarri, Diego Calvanese, Giuseppe De Giacomo, Domenico Lembo, Maurizio Lenzerini, Mattia Palmieri, and Riccardo Rosati Building Applications Using End to End Composition of Web Services / 1672 Vikas Agarwal, Girish Chafle, Koustuv Dasgupta, Neeran Karnik, Arun Kumar, Ashish Kundu, Anupam Mediratta, Sumit Mittal, and Biplav Srivastava The AI Technologies of the Philadelphia Area Urban Wireless Network Testbed / 1674 Gustave Anderson, Andrew Burnheimer, Vincent Cicirello, David Dorsey, Chris Dugan, Iris Howley, Moshe Kam, Joseph Kopena, Rob Lass, Kris Malfettone, Andy Mroczkowski, Gaurav Naik, Max Peysakhov, Brian Pyles, William Regli, Evan Sultanik, James Thiel, Kyle Usbeck, Dan Venutolo, and Marc Winners Proving Theorems of Type Theory Automatically with TPS / 1676 Peter B. Andrews A Learning and Reasoning System for Intelligence Analysis / 1678 Mihai Boicu, Gheorghe Tecuci, Cindy Ayers, Dorin Marcu, Cristina Boicu, Marcel Barbulescu, Bogdan Stanescu, William Wagner, Vu Le, Denitsa Apostolova, and Adrian Ciubotariu MADbot: A Motivated and Goal Directed Robot / 1680 A. Coddington, M. Fox, J. Gough, D. Long, and I. Serina Swoogle: Searching for Knowledge on the Semantic Web / 1682 Tim Finin, Li Ding, Rong Pan, Anupam Joshi, Pranam Kolari, Akshay Java, and Yun Peng Optimal Rhode Island Hold’em Poker / 1684 Andrew Gilpin and Tuomas Sandholm Evolution of an Empathetic Digital Entity: Phase One / 1686 Margaret Manella Kozak Language Independent Extractive Summarization / 1688 Rada Mihalcea TIELT: A Testbed for Gaming Environments / 1690 Matthew Molineaux and David W. Aha xxiii SenseRelate::TargetWord—A Generalized Framework for Word Sense Disambiguation / 1692 Siddharth Patwardhan, Satanjeev Banerjee, and Ted Pedersen Identifying Similar Words and Contexts in Natural Language with SenseClusters / 1694 Ted Pedersen and Anagha Kulkarni Song Search and Retrieval by Tapping / 1696 Geoffrey Peters, Caroline Anthony, and Michael Schwartz The Proteome Analyst Suite of Automated Function Prediction Tools / 1698 Brett Poulin, Duane Szafron, Paul Lu, Russell Greiner, David Wishart, Roman Eisner, Alona Fyshe, Brandon Pearcy, and Luca Pireddu DiamondHelp: A Collaborative Task Guidance Framework for Complex Devices / 1700 Charles Rich, Candy Sidner, Neal Lesh, Andrew Garland, Shane Booth, and Markus Chimani Remote Supervisory Control of a Humanoid Robot / 1702 Michael T. Rosenstein, Andrew H. Fagg, Robert Platt Jr., John D. Sweeney, and Roderic A. Grupen MGLAIR Agents in Virtual and Other Graphical Environments /1704 Stuart C. Shapiro, Josephine Anstey, David E. Pape, Trupti Devdas Nayak, Michael Kandefer, and Orkan Telhan SOLO: A Cognitive Orthosis / 1706 Richard Simpson, Edmund LoPresti, Debra Schreckenghost, Ned Kirsch, and Steve Hayashi SAGA-ML: An Active Learning System for Semi-Automated Gameplay Analysis / 1708 Finnegan Southey and Robert C. Holte Using the GEMS System for Cancer Diagnosis and Biomarker Discovery from Microarray Gene Expression Data / 1710 Alexander Statnikov, Ioannis Tsamardinos, and Constantin F. Aliferis The TaskTracker System / 1712 Simone Stumpf, Xinlong Bao, Anton Dragunov, Thomas G. Dietterich, Jon Herlocker, Kevin Johnsrude, Lida Li, and JianQiang Shen Mobile Robot Competition and Exhibition Low-Cost Outdoor Robot Platform for the Penn State Abington Mini Grand Challenge / 1716 Robert Avanzato Pyro: An Integrated Environment for Robotics Education / 1718 Douglas Blank, Deepak Kumar, Lisa Meeden, and Holly Yanco Ready or Not, Here I Come ... / 1720 Magdalena Bugajska, William Adams, Scott Thomas, J. Gregory Trafton, and Alan C. Schultz Robots in an Intelligent Systems Course / 1722 Debra Burhans, Andre Nelson, and Victoria Steck xxiv Scavenging with a Laptop Robot / 1724 Alan Davidson, Mac Mason, Susanna Ricco, Ben Tribelhorn, and Zachary Dodds Social Tag: Finding the Person with the Pink Hat / 1726 Carl DiSalvo, Didac Font, Laura Hiatt, Nik Melchior, Marek Michalowski, and Reid Simmons Upending the Uncanny Valley / 1728 David Hanson, Andrew Olney, Steve Prilliman, Eric Mathews, Marge Zielke, Derek Hammons, Raul Fernandez, and Harry Stephanou Catoms: Moving Robots without Moving Parts / 1730 Brian Kirby, Jason Campbell, Burak Aksak, Padmanabhan Pillai, James Hoburg, Todd Mowry, and Seth Copen Goldstein NavBot: The Navigational Search-and-Rescue Robot / 1732 Matthew Marge, Ayman Sawas, Juan Carlos Liberato, Murtaza M. Karim, Manish Muttreja, Nader Alrawahi, and Brian Fink A Brochette of Socially Interactive Robots / 1733 F. Michaud, D. Létourneau, P. Lepage, Y. Morin, F. Gagnon, P. Giguère, É. Beaudry, Y. Brosseau, C. Côté, A. Duquette, J.-F. Laplante, M.-A. Legault, P. Moisan, A. Ponchon, C. Raïevsky, M.-A. Roux, T. Salter, J.-M. Valin, S. Caron, P. Masson, F. Kabanza, and M. Lauria Indoor Aerial Robot Competition: Challenges in Search and Rescue Applications / 1735 Paul Y. Oh, William E. Green, and Keith W. Sevcik Toward Affective Cognitive Robots for Human-Robot Interaction / 1737 M. Scheutz, J. Kramer, C. Middendorff, P. Schermerhorn, M. Heilman, D. Anderson, and P. Bui Using a Sketch Pad Interface for Interacting with a Robot Team / 1739 Marjorie Skubic, Derek Anderson, Samuel Blisard, Dennis Perzanowski, William Adams, J. Gregory Trafton, and Alan C. Schultz Tekkotsu: A Framework for AIBO Cognitive Robotics / 1741 David S. Touretzky and Ethan J. Tira-Thompson Improving Human-Robot Interaction for Remote Robot Operation / 1743 Holly A. Yanco, Michael Baker, Robert Casey, Andrew Chanler, Munjal Desai, Dan Hestand, Brenden Keyes, and Philip Thoren Index / 1745 xxv