Contents Volume 30, 2007 Learning Semantic Definitions of Online Information Sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Mark J. Carman and Craig A. Knoblock Graph Abstraction in Real-time Heuristic Search . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 V. Bulitko, N. Sturtevant, J. Lu, and T. Yau The Planning Spectrum — One, Two, Three, Infinity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101 M. Pistore and M. Y. Vardi Chain: A Dynamic Double Auction Framework for Matching Patient Agents . . . . . . . . . . . . . . . . . . . . . . . . . . 133 J. L. Bredin, D. C. Parkes, and Q. Duong Knowledge Derived from Wikipedia for Computing Semantic Relatedness . . . . . . . . . . . . . . . . . . . . . . . . . . . 181 S. P. Ponzetto and M. Strube Compressed Pattern Databases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213 A. Felner, R. E. Korf, R. Meshulam, and R. C. Holte Topic and Role Discovery in Social Networks with Experiments on Enron and Academic Email . . . . . . . . . . 249 A. McCallum, X. Wang, and A. Corrada-Emmanuel Reasoning with Very Expressive Fuzzy Description Logics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273 G. Stoilos, G. Stamou, J. Z. Pan, V. Tzouvaras, and I. Horrocks New Inference Rules for Max-SAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321 C. M. Li, F. Manya, and J. Planes Natural Events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361 J. Bell Individual and Domain Adaptation in Sentence Planning for Dialogue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 413 M. A. Walker, A. Stent, F. Mairesse, and R. Prasad Using Linguistic Cues for the Automatic Recognition of Personality in Conversation and Text . . . . . . . . . . . 457 F. Mairesse, M. A. Walker, M. R. Mehl, and R. K. Moore On the Semantics of Logic Programs with Preferences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 501 S. Greco, I. Trubitsyna, and E. Zumpano A Framework for Kernel-Based Multi-Category Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 525 S. I. Hill and A. Doucet Probabilistic Planning via Heuristic Forward Search and Weighted Model Counting . . . . . . . . . . . . . . . . . . . 565 C. Domshlak and J. Hoffmann Query-time Entity Resolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 621 I. Bhattacharya and L. Getoor Learning to Play Using Low-Complexity Rule-Based Policies: Illustrations through Ms. Pac-Man . . . . . . . . . . 659 I. Szita and A. Lorincz Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 685 J ournal of Artificial Intelligence Research AN INTERNATIONAL ELECTRONIC AND PRINT JOURNAL Editors and Staff, 2007 Editor-in-Chief Toby Walsh Yoav Shoham Satinder Singh Michael Wooldridge Shlomo Zilberstein Associate Editor-in-Chief Adnan Darwiche Editorial Board Associate Editors Chitta Baral Ronen Brafman Claire Cardie Max Chickering Nello Cristianini James Cussens Rina Dechter Ed Durfee Boi Faltings Hector Geffner Lise Getoor Russell Greiner Adele Howe Thorsten Joachims Sven Koenig Maurizio Lenzerini Fangzhen Lin Derek Long Andrew Ng Dragomir Radev Francesca Rossi Dan Roth Eyal Amir Christian Bessiere Mark Boddy Blai Bonet Chris Brew Alessandro Cimatti Michael Collins Diane Cook James Delgrande Marie DesJardins Jurgen Dix Carmel Domshlak Marek Druzdzel Giuseppe DeGiacomo Johannes Fuernkranz Linda van der Gaag Zoubin Ghahramani Enrico Giunchiglia Piotr Gmytrasiewicz Eric Hansen Malte Helmert Joerg Hoffmann Thomas Hoffmann Holger Hoos Piero La Mura Mirella Lapata Kathryn Blackmond Laskey Lillian Lee Kevin Leyton-Brown Shaul Markovitch Stan Matwin Chris Meek Leora Morgenstern David Musliner Ilkka Niemela Illah Nourbakhsh Tim Oates David Parkes David Pynadath Jussi Rintanen Jeff Rosenschein Nick Roy Wheeler Ruml Sylvie Thiebaux Michael Thielscher Mirek Truszcynski Gerard Verfaillie Kiri Wagstaff Mary-Anne Williams Dit-Yan Yeung Neil Yorke-Smith Weixiong Zhang Peter Bartlett Carla Brodley Walter Daelemans Luc De Raedt Pedro Domingos Thomas Eiter Maria Fox Alon Halevy Tad Hogg Daphne Koller Gerhard Lakemeyer Paolo Liberatore Michael Littman Steven Minton Martha Pollack David Smith Diana Spears Milind Tambe Moshe Tennenholtz Michael Wellman Makoto Yokoo Nevin Zhang Advisory Board Lillian Bluestein Managing Editor Steven Minton Special Projects Moshe Tennenholtz Production Supervisor Fahiem Bacchus About JAIR Subscriptions JAIR's editorial board is dedicated to the rapid dissemination of important research results to the global AI community. 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