Contents AAAI Organization / xvii Conference Program Committees / xviii Outstanding Paper Award / xxi Sponsoring Organizations / xxii Preface / xxiii Invited Talks / xxv AAAI-04 Technical Papers Agents and Multi-Agent Systems Performance Bounded Reinforcement Learning in Strategic Interactions / 2 Bikramjit Banerjee and Jing Peng Searching for Stable Mechanisms: Automated Design for Imperfect Players / 8 Andrew J. Blumberg and Abhi Shelat Affective Recruitment of Distributed Heterogeneous Agents / 14 Aaron Gage and Robin R. Murphy Visibility-Based Pursuit-Evasion with Limited Field of View / 20 Brian P. Gerkey, Sebastian Thrun, and Geoff Gordon Task Allocation via Self-Organizing Swarm Coalitions in Distributed Mobile Sensor Network / 28 Kian Hsiang Low, Wee Kheng Leow, and Marcelo H. Ang, Jr. GROWRANGE: Anytime VCG-Based Mechanisms / 34 David C. Parkes and Grant Schoenebeck Useful Roles of Emotions in Artificial Agents: A Case Study from Artificial Life / 42 Matthias Scheutz Automated Reasoning Low-Knowledge Algorithm Control / 49 Tom Carchrae and J. Christopher Beck Implementing a Generalized Version of Resolution / 55 Heidi E. Dixon, Matthew L. Ginsberg, David K. Hofer, Eugene M. Luks, and Andrew J. Parkes SAT-Based Answer Set Programming / 61 Enrico Giunchiglia, Yuliya Lierler, and Marco Maratea A Polynomial-Time Algorithm for Simple Temporal Problems with Piecewise Constant Domain Preference Functions / 67 T. K. Satish Kumar Using Performance Profile Trees to Improve Deliberation Control / 73 Kate Larson and Tuomas Sandholm On Odd and Even Cycles in Normal Logic Programs / 80 Fangzhen Lin and Xishun Zhao Logic Programs with Abstract Constraint Atoms / 86 Victor W. Marek and Miroslaw Truszczynski Adding Time and Intervals to Procedural and Hierarchical Control Specifications / 92 Tran Cao Son, Chitta Baral, and Le-Chi Tuan Model Checking Temporal Logics of Knowledge in Distributed Systems / 98 Kaile Su Identifying Linear Causal Effects / 104 Jin Tian Complexity The Complexity of Global Constraints / 112 Christian Bessiere, Emmanuel Hebrard, Brahim Hnich, and Toby Walsh Complexity of Contextual Reasoning / 118 Floris Roelofsen and Luciano Serafini The Backdoor Key: A Path to Understanding Problem Hardness / 124 Yongshao Ruan, Henry Kautz, and Eric Horvitz Constraint Satisfaction and Satisfiability Hiding Satisfying Assignments: Two Are Better than One / 131 Dimitris Achlioptas, Haixia Jia, and Cristopher Moore Modeling Choices in Quasigroup Completion: SAT vs. CSP / 137 Carlos Ansótegui, Alvaro del Val, Iván Dotú, Cèsar Fernández, and Felip Manyà Leap Before You Look: An Effective Strategy in an Oversubscribed Scheduling Problem / 143 Laura Barbulescu, L. Darrell Whitley, and Adele E. Howe Domain Transmutation in Constraint Satisfaction Problems / 149 James Bowen and Chavalit Likitvivatanavong Collapsibility and Consistency in Quantified Constraint Satisfaction / 155 Hubie Chen Complete Local Search for Propositional Satisfiability / 161 Hai Fang and Wheeler Ruml QUICKXPLAIN: Preferred Explanations and Relaxations for Over-Constrained Problems / 167 Ulrich Junker MAX-2-SAT: How Good Is Tabu Search in the Worst-Case? / 173 Monaldo Mastrolilli and Luca Maria Gambardella The Practice of Approximated Consistency for Knapsack Constraints / 179 Meinolf Sellmann Study of Lower Bound Functions for MAX-2-SAT / 185 Haiou Shen and Hantao Zhang Additive versus Multiplicative Clause Weighting for SAT / 191 John Thornton, Duc Nghia Pham, Stuart Bain, and Valnir Ferreira Jr. Tractable Tree Convex Constraint Networks / 197 Yuanlin Zhang and Eugene C. Freuder Game Theory and Economic Models Eliciting Bid Taker Non-price Preferences in (Combinatorial) Auctions / 204 Craig Boutilier, Tuomas Sandholm, and Rob Shields Combinatorial Auctions with Structured Item Graphs / 212 Vincent Conitzer, Jonathan Derryberry, and Tuomas Sandholm Computing Shapley Values, Manipulating Value Division Schemes, and Checking Core Membership in Multi-Issue Domains / 219 Vincent Conitzer and Tuomas Sandholm Learning Social Preferences in Games / 226 Ya’akov Gal, Avi Pfeffer, Francesca Marzo, and Barbara J. Grosz Methods for Boosting Revenue in Combinatorial Auctions / 232 Anton Likhodedov and Tuomas Sandholm Using Contracts to Influence the Outcome of a Game / 238 Robert McGrew and Yoav Shoham Knowledge Representation and Reasoning Scaling Up Reasoning about Actions Using Relational Database Technology / 245 Giuseppe De Giacomo and Toni Mancini Conservative Belief Revision / 251 James P. Delgrande, Abhaya C. Nayak, and Maurice Pagnucco Mereological Semantics for Bio-Ontologies / 257 Udo Hahn, Stefan Schulz, and Kornél Markó CASE E : A Hierarchical Event Representation for the Analysis of Videos / 263 Asaad Hakeem, Yaser Sheikh, and Mubarak Shah Making Argumentation More Believable / 269 Anthony Hunter Towards Higher Impact Argumentation / 275 Anthony Hunter Loop Formulas for Circumscription / 281 Joohyung Lee and Fangzhen Lin An Instance-Based State Representation for Network Repair / 287 Michael L. Littman, Nishkam Ravi, Eitan Fenson, and Rich Howard Logical Foundations of Negotiation: Outcome, Concession, and Adaptation / 293 Thomas Meyer, Norman Foo, Rex Kwok, and Dongmo Zhang Repeated Observation Models / 299 Avi Pfeffer Encoding Probabilistic Causal Model in Probabilistic Action Language / 305 Nam Tran and Chitta Baral Evaluating Ontology Cleaning / 311 Christopher Welty, Ruchi Mahindru, and Jennifer Chu-Carroll Negotiation as Mutual Belief Revision / 317 Dongmo Zhang, Norman Foo, Thomas Meyer, and Rex Kwok Learning Hierarchical Hidden Markov Models with General State Hierarchy / 324 Hung H. Bui, Dinh Q. Phung, and Svetha Venkatesh An Ensemble Technique for Stable Learners with Performance Bounds / 330 Ian Davidson On the Optimality of Probability Estimation by Random Decision Trees / 336 Wei Fan Fibring Neural Networks / 342 Artur S. d’Avila Garcez and Dov M. Gabbay Learning and Inferring Transportation Routines / 348 Lin Liao, Dieter Fox, and Henry Kautz Learning and Applying Competitive Strategies / 354 Esther Lock and Susan L. Epstein Bayesian Network Classifiers Versus k-NN Classifier Using Sequential Feature Selection / 360 Franz Pernkopf Online Parallel Boosting / 366 Jesse A. Reichler, Harlan D. Harris, and Michael A. Savchenko Bayesian Inference on Principal Component Analysis Using Reversible Jump Markov Chain Monte Carlo / 372 Zhihua Zhang, Kap Luk Chan, James T. Kwok, and Dit-Yan Yeung Error Detection and Impact-Sensitive Instance Ranking in Noisy Datasets / 378 Xingquan Zhu, Xindong Wu, and Ying Yang Natural Language Processing and Information Extraction Comparing Cognitive and Computational Models of Narrative Structure / 385 David B. Christian and R. Michael Young Methods for Domain-Independent Information Extraction from the Web: An Experimental Comparison / 391 Oren Etzioni, Michael Cafarella, Doug Downey, Ana-Maria Popescu, Tal Shaked, Stephen Soderland, Daniel S. Weld, and Alexander Yates Interpreting Loosely Encoded Questions / 399 James Fan and Bruce Porter Learning Indexing Patterns from One Language for the Benefit of Others / 406 Udo Hahn, Kornél Markó, and Stefan Schulz Interactive Information Extraction with Constrained Conditional Random Fields / 412 Trausti Kristjansson, Aron Culotta, Paul Viola, and Andrew McCallum Identification and Tracing of Ambiguous Names: Discriminative and Generative Approaches / 419 Xin Li, Paul Morie, and Dan Roth Text Classification by Labeling Words / 425 Bing Liu, Xiaoli Li, Wee Sun Lee, and Philip S. Yu On the Relationship between Lexical Semantics and Syntax for the Inference of Context-Free Grammars / 431 Tim Oates, Tom Armstrong, Justin Harris, and Mark Nejman Distributed Representation of Syntactic Structure by Tensor Product Representation and Non-Linear Compression / 437 Heidi H. T. Yeung and Peter W. M. Tsang Perception Rapid Object Recognition from Discriminative Regions of Interest / 444 Gerald Fritz, Christin Seifert, Lucas Paletta, and Horst Bischof Automatically Transforming Symbolic Shape Descriptions for Use in Sketch Recognition / 450 Tracy Hammond and Randall Davis Large-Scale Map-Making / 457 Kurt Konolige A Multi-Resolution Pyramid for Outdoor Robot Terrain Perception / 464 Michael Montemerlo and Sebastian Thrun Self-Organizing Visual Maps / 470 Robert Sim and Gregory Dudek Reconstruction of 3D Models from Intensity Images and Partial Depth / 476 Luz A. Torres-Méndez and Gregory Dudek Perceptually Based Learning of Shape Descriptions for Sketch Recognition / 482 Olya Veselova and Randall Davis On the Integration of Grounding Language and Learning Objects / 488 Chen Yu and Dana H. Ballard Planning and Scheduling Generating Safe Assumption-Based Plans for Partially Observable, Nondeterministic Domains / 495 Alexandre Albore and Piergiorgio Bertoli Regrets Only! Online Stochastic Optimization under Time Constraints / 501 Russell Bent and Pascal Van Hentenryck Assessing the Complexity of Plan Recognition / 507 Christopher W. Geib Forward-Chaining Planning in Nondeterministic Domains / 513 Ugur Kuter and Dana Nau Transport Logistics Planning with Service-Level Constraints / 519 Hoong Chuin Lau, Kien Ming Ng, and Xiaotao Wu Distance Estimates for Planning in the Discrete Belief Space / 525 Jussi Rintanen Continuous Time in a SAT-Based Planner / 531 Ji-Ae Shin and Ernest Davis Analogical Path Planning / 537 Saul Simhon and Gregory Dudek An Effective Algorithm for Project Scheduling with Arbitrary Temporal Constraints / 544 Tristan B. Smith and John M. Pyle Shortest Path Discovery Problems: A Framework, Algorithms and Experimental Results / 550 Csaba Szepesvári Regression with Respect to Sensing Actions and Partial States / 556 Le-Chi Tuan, Chitta Baral, Xin Zhang, and Tran Cao Son Effective Approaches for Partial Satisfaction (Over-Subscription) Planning / 562 Menkes van den Briel, Romeo Sanchez, Minh B. Do, and Subbarao Kambhampati Branching and Pruning: An Optimal Temporal POCL Planner Based on Constraint Programming / 570 Vincent Vidal and Héctor Geffner High-Level Goal Recognition in a Wireless LAN / 578 Jie Yin, Xiaoyong Chai, and Qiang Yang Qualitative Modeling Spatial Aggregation for Qualitative Assessment of Scientific Computations / 585 Chris Bailey-Kellogg and Naren Ramakrishnan A Qualitative-Quantitative Methods-Based e-Learning Support System in Economic Education / 592 Tokuro Matsuo, Takayuki Ito, and Toramatsu Shintani Robotics Skill Acquisition and Use for a Dynamically-Balancing Soccer Robot / 599 Brett Browning, Ling Xu, and Manuela Veloso Common Sense Data Acquisition for Indoor Mobile Robots / 605 Rakesh Gupta and Mykel J. Kochenderfer Machine Learning for Fast Quadrupedal Locomotion / 611 Nate Kohl and Peter Stone Interleaving Temporal Planning and Execution in Robotics Domains / 617 Solange Lemai and Félix Ingrand Reinforcement Learning for CPG-Driven Biped Robot / 623 Takeshi Mori, Yutaka Nakamura, Masa-aki Sato, and Shin Ishii Advice Generation from Observed Execution: Abstract Markov Decision Process Learning / 631 Patrick Riley and Manuela Veloso Search Compressing Pattern Databases / 638 Ariel Felner, Ram Meshulam, Robert C. Holte, and Richard E. Korf A General Solution to the Graph History Interaction Problem / 644 Akihiro Kishimoto and Martin Müller Best-First Frontier Search with Delayed Duplicate Detection / 650 Richard E. Korf Temperature Discovery Search / 658 Martin Müller, Markus Enzenberger, and Jonathan Schaeffer Simple Search Methods for Finding a Nash Equilibrium / 664 Ryan Porter, Eugene Nudelman, and Yoav Shoham Towards Efficient Sampling: Exploiting Random Walk Strategies / 670 Wei Wei, Jordan Erenrich, and Bart Selman Space-Efficient Memory-Based Heuristics / 677 Rong Zhou and Eric A. Hansen Structured Duplicate Detection in External-Memory Graph Search / 683 Rong Zhou and Eric A. Hansen Uncertainty Stochastic Local Search for POMDP Controllers / 690 Darius Braziunas and Craig Boutilier A Computational Study of the Kemeny Rule for Preference Aggregation / 697 Andrew Davenport and Jayant Kalagnanam PROB CONS: Probabilistic Consistency-Based Multiple Alignment of Amino Acid Sequences / 703 Chuong B. Do, Michael Brudno, and Serafim Batzoglou Dynamic Programming for Partially Observable Stochastic Games / 709 Eric A. Hansen, Daniel S. Bernstein, and Shlomo Zilberstein Solving Concurrent Markov Decision Processes / 716 Mausam and Daniel S. Weld Low-cost Addition of Preferences to DTPs and TCSPs / 723 Bart Peintner and Martha E. Pollack mCP Nets: Representing and Reasoning with Preferences of Multiple Agents / 729 F. Rossi, K. B. Venable, and T. Walsh Extending CP-Nets with Stronger Conditional Preference Statements / 735 Nic Wilson Solving Generalized Semi-Markov Decision Processes Using Continuous Phase-Type Distributions / 742 Håkan L. S. Younes and Reid G. Simmons User Modeling Exploring More Realistic Evaluation Measures for Collaborative Filtering / 749 Giuseppe Carenini and Rita Sharma Mining Opinion Features in Customer Reviews / 755 Minqing Hu and Bing Liu Just How Mad Are You? Finding Strong and Weak Opinion Clauses / 761 Theresa Wilson, Janyce Wiebe, and Rebecca Hwa Innovative Applications of Artificial Intelligence Papers Deployed Application Papers Tenth Anniversary of the Plastics Color Formulation Tool / 770 William Cheetham The General Motors Variation-Reduction Adviser: Deployment Issues for an AI Application / 777 Alexander P. Morgan, John A. Cafeo, Kurt Godden, Ronald M. Lesperance, Andrea M. Simon, Deborah L. McGuinness, and James L. Benedict Making Better Recommendations with Online Profiling Agents / 785 Danny Oh and Chew Lim Tan Ergonomics Analysis for Vehicle Assembly Using Artificial Intelligence / 793 Nestor Rychtyckyj Emerging Application Papers The KOJAK Group Finder: Connecting the Dots via Integrated Knowledge-Based and Statistical Reasoning / 800 Jafar Adibi, Hans Chalupsky, Eric Melz, and Andre Valente Detecting and Eliminating the Cascade Vulnerability Problem from Multilevel Security Networks Using Soft Constraints / 808 Stefano Bistarelli, Simon N. Foley, and Barry O’Sullivan The U.S. National Football League Scheduling Problem / 814 Bistra N. Dilkina and William S. Havens VModel: A Visual Qualitative Modeling Environment for Middle-School Students / 820 Kenneth D. Forbus, Karen Carney, Bruce L. Sherin, and Leo C. Ureel II SOFIA’s Choice: An AI Approach to Scheduling Airborne Astronomy Observations / 828 Jeremy Frank, Michael A. K. Gross, and Elif Kürklü A Comparison of Techniques for Scheduling Earth Observing Satellites / 836 Al Globus, James Crawford, Jason Lohn, and Anna Pryor Branching Storylines in Virtual Reality Environments for Leadership Development / 844 Andrew Gordon, Michael van Lent, Martin van Velsen, Paul Carpenter, and Arnav Jhala The Independent LifeStyle Assistant™ (I.L.S.A.): AI Lessons Learned / 852 Karen Zita Haigh, Liana M. Kiff, Janet Myers, Valerie Guralnik, Christopher W. Geib, John Phelps, and Tom Wagner Identifying Terrorist Activity with AI Plan Recognition Technology / 858 Peter A. Jarvis, Teresa F. Lunt, and Karen L. Myers A Robotic Wayfinding System for the Visually Impaired / 864 Vladimir Kulyukin, Chaitanya Gharpure, Pradnya Sute, Nathan De Graw, and John Nicholson Machine Learning for Adaptive Image Interpretation / 870 Ilya Levner and Vadim Bulitko AI Characters and Directors for Interactive Computer Games / 877 Brian Magerko, John E. Laird, Mazin Assanie, Alex Kerfoot, and Devvan Stokes Agent-based Simulation of Geo-Political Conflict / 884 Glenn Taylor, Richard Frederiksen, Russell R. Vane III, and Edward Waltz Artemis: Integrating Scientific Data on the Grid / 892 Rattapoom Tuchinda, Snehal Thakkar, Yolanda Gil, and Ewa Deelman An Explainable Artificial Intelligence System for Small-unit Tactical Behavior / 900 Michael van Lent, William Fisher, and Michael Mancuso An Application View of COORDINATORS: Coordination Managers for First Responders / 908 Thomas Wagner, John Phelps, Valerie Guralnik, and Ryan VanRiper Towards Autonomic Computing: Adaptive Job Routing and Scheduling / 916 Shimon Whiteson and Peter Stone Synthetic Adversaries for Urban Combat Training / 923 Robert E. Wray, John E. Laird, Andrew Nuxoll, Devvan Stokes, and Alex Kerfoot CaBMA: Case-Based Project Management Assistant / 931 Ke Xu and Héctor Muñoz-Avila Automatic Generation of Artistic Chinese Calligraphy / 937 Songhua Xu, Francis C. M. Lau, Kwok-Wai Cheung, and Yunhe Pan Student Abstracts A Correspondence Metric for Imitation / 944 R. Amit and Maja Mataric Fuzzy Induction in Dynamic User Profiling for Information Filtering / 946 Rafal A. Angryk and Costin Barbu Semantically Guiding a First-Order Theorem Prover with a Soft Model / 948 Arnold Binas and John Slaney Metrics for Finite Markov Decision Processes / 950 Norm Ferns, Prakash Panangaden, and Doina Precup Robust Solutions for Constraint Satisfaction and Optimization / 952 Emmanuel Hebrard Generation of Emotional Behavior for Non-Player Characters — Development of EmoBot for Quake II / 954 Tye Hooley, Burt Hunking, Mike Henry, and Atsushi Inoue Knowledge State Reconsideration: Hindsight Belief Revision / 956 Frances L. Johnson and Stuart C. Shapiro Utilizing Internal State in Multi-Robot Coordination Tasks / 958 Chris Jones and Maja J. Mataric Generating “Random” 3-SAT Instances with Specific Solution Space Structure / 960 Pushkin R. Pari, Jane Lin, Lin Yuan, and Gang Qu Occam’s Razor and a Non-Syntactic Measure of Decision Tree Complexity / 962 Goutam Paul Discriminating Among Word Meanings by Identifying Similar Contexts / 964 Amruta Purandare and Ted Pedersen A Bayes Net Approach to Argumentation / 966 Sabyasachi Saha and Sandip Sen Identifying an Object that is Perceptually Indistinguishable from One Previously Perceived / 968 John F. Santore and Stuart C. Shapiro Evaluating Consistency Algorithms for Temporal Metric Constraints / 970 Yang Shi, Anagh Lal, and Berthe Y. Choueiry Mixed-Initiative Workflow Composition / 972 Marc Spraragen Mobile Agent-Based Search for Service Discovery on Dynamic Peer-to-Peer Networks / 974 Evan A. Sultanik Finding Redundant Constraints for FSM Minimization / 976 Lin Yuan, Pushkin R. Pari, and Gang Qu SIGART/AAAI Doctoral Consortium Semi-Supervised Clustering with Limited Background Knowledge / 979 Sugato Basu Learnable Similarity Functions and their Applications to Clustering and Record Linkage / 981 Mikhail Bilenko Flexible Decision-Making in Sequential Auctions / 983 Gangshu Cai A Framework for Optimal Sequential Planning in Multiagent Settings / 985 Prashant J. Doshi User-Sensitive Text Summarization / 987 Noemie Elhadad Connecting Cognitive and Physical Worlds with Dynamic Cost Function Definition / 989 Jamie Lennon Interesting Instance Discovery in Multi-Relational Data / 991 Shou-de Lin Adaptive Algorithms for Routing and Traffic Engineering in Stochastic Networks / 993 Sudip Misra and B. John Oommen Inducing Constraint-Based Grammars using a Domain Ontology / 995 Smaranda Muresan Capturing User Intent for Information Retrieval / 997 Hien Nguyen A Metric for the Evaluation of Imitation / 999 Amit Ramesh Planning and Verification for Stochastic Processes with Asynchronous Events / 1001 Håkan L. S. Younes Intelligent Systems Demonstrations Intelligent Systems Demonstration: The Secure Wireless Agent Testbed (SWAT) / 1004 Gustave Anderson, Andrew Burnheimer, Vincent Cicirello, David Dorsey, Saturnino Garcia, Moshe Kam, Joseph Kopena, Kris Malfettone, Andy Mroczkowski, Gaurav Naik, Max Peysakhov, William Regli, Joshua Shaffer, Evan Sultanik, Kenneth Tsang, Leonardo Urbano, Kyle Usbeck, and Jacob Warren Multi-Agent System Development: Design, Runtime, and Analysis / 1006 K. S. Barber, J. Ahn, K. Fullam, T. Graser, N. Gujral, D. C. Han, D. N. Lam, R. McKay, J. Park, and M. Vanzin Visual Odometry Using Commodity Optical Flow / 1008 Jason Campbell, Rahul Sukthankar, and Illah Nourbakhsh Engineering Open Multi-Agent Systems as Electronic Institutions / 1010 M. Esteva, D. de la Cruz, B. Rosell, J. Ll. Arcos, J. A. Rodríguez-Aguilar, and G. Cuní iBundler: An Agent-Based Decision Support Service for Combinatorial Negotiations / 1012 A. Giovannucci, J. A. Rodríguez-Aguilar, Jésus Cerquides, A. Reyes, and F. X. Noria Domain-Independent Reason-Enhanced Controller for Task-ORiented Systems — DIRECTOR / 1014 Darsana P. Josyula, Michael L. Anderson, and Don Perlis Agent-Based Modeling with Social Networks for Terrorist Recruitment / 1016 Teresa H. Ko and Nina M. Berry Mobile Emergency Triage Support System / 1018 Wojtek Michalowski, Roman Slowinski, and Szymon Wilk CMRadar: A Personal Assistant Agent for Calendar Management / 1020 Pragnesh Jay Modi, Manuela Veloso, Stephen F. Smith, and Jean Oh Centibots: Very Large Scale Distributed Robotic Teams / 1022 Charlie Ortiz, Kurt Konolige, Regis Vincent, Benoit Morisset, Andrew Agno, Michael Eriksen, Dieter Fox, Benson Limketkai, Jonathan Ko, Benjamin Steward, and Dirk Schulz WordNet::Similarity - Measuring the Relatedness of Concepts / 1024 Ted Pedersen, Siddharth Patwardhan, and Jason Michelizzi PRECISE on ATIS: Semantic Tractability and Experimental Results / 1026 Ana-Maria Popescu, Alex Armanasu, Oren Etzioni, David Ko, and Alexander Yates SEM-Ether: Semantic Web Based Pervasive Computing Framework - Integrating Web, Devices and People / 1028 Sushil Puradkar, Sachin Singh, Chintan Patel, Kartik Vishwanath, Rahul Gupta, and Yugyung Lee SenseClusters - Finding Clusters that Represent Word Senses / 1030 Amruta Purandare and Ted Pedersen CAMEO: Modeling Human Activity in Formal Meeting Situations / 1032 Paul E. Rybski, Fernando de la Torre, Raju Patil, Carlos Vallespi, Manuela Veloso, and Brett Browning A Robotic Model of Human Reference Resolution / 1034 Matthias Scheutz, Virgil Andronache, and Kathleen Eberhard SCoT: A Spoken Conversational Tutor / 1036 Karl Schultz, Brady Clark, Heather Pon-Barry, Elizabeth Owen Bratt, and Stanley Peters Intelligent Agents for Coalition Search and Rescue Task Support / 1038 Austin Tate, Jeff Dalton, Clauirton de Siebra, Stuart Aitken, Jeffrey M. Bradshaw, and Andrzej Uszok The Autonomous Sciencecraft Experiment Onboard the EO-1 Spacecraft / 1040 Daniel Tran, Steve Chien, Rob Sherwood, Rebecca Castano, Benjamin Cichy, Ashley Davies, and Gregg Rabideau Online Semantic Extraction by Backpropagation Neural Network with Various Syntactic Structure Representations / 1042 Heidi H. T. Yeung Responsive Information Architect: A Context-Sensitive Multimedia Conversation Framework for Information Seeking / 1044 Michelle Zhou, Keith Houck, Rosario Uceda-Sosa, Shimei Pan, Min Chen, Vikram Aggarwal, and James Shaw Index / 1046