Conference Committees AAAI Conference Committee Chair Subbarao Kambhampati (Arizona State University, USA) AAAI-13 Program Cochairs Marie desJardins (University of Maryland, Baltimore County, USA) Michael L. Littman (Brown University, USA) IAAI-13 Conference Chair and Cochair Hector Munoz-Avila (Lehigh University, USA) David Stracuzzi (Sandia National Laboratories, USA) EAAI-13 Symposium Cochairs Laura E. Brown (Michigan Technological University, USA) David Kauchak (Middlebury College, USA) Special Track on Artificial Intelligence and the Web Cochairs Jeff Heflin (Lehigh University, USA) Markus Krötzsch (University of Oxford, UK) Special Track on Cognitive Systems Cochairs Matthias Scheutz (Tufts University, USA) James Allen (University of Rochester, USA) Special Track on Computational Sustainability and Artificial Intelligence Cochairs Carla P. Gomes (Cornell University, USA) Doug Fisher (Vanderbilt University, USA) Special Track on Robotics Cochairs Siddhartha Srinivasa (Carnegie Mellon University, USA) Andrea L. Thomaz (Georgia Institute of Technology, USA) Tutorial Program Cochairs Carmel Domshlak (Technion Israel Institute of Technology, Israel) Kevin Leyton-Brown (University of British Columbia, Canada) Workshop Program Cochairs Eric Eaton (Bryn Mawr College, USA) Holger Hoos (University of British Columbia, Canada) Doctoral Consortium Cochairs Peter McBurney (King’s College London, UK) Ayanna Howard (Georgia Institute of Technology, USA) Student Abstract and Poster Cochairs Rudolph Triebel (University of Oxford, UK) Kristian Kersting (Fraunhofer IAIS, University of Bonn, Germany) Scott Sanner (NICTA/Australian National University, Australia) xxiv Computer Poker Competition Cochairs Neil Burch (University of Alberta, Canada) Eric Jackson General Game Playing Competition Organizers Gabe Alvarez (Stanford University, USA) Dustin Fink (Stanford University, USA) Michael Genesereth (Stanford University, USA) AI Video Competition Chair and Cochair Marco Dorigo (IRIDIA, Université Libre de Bruxelles, Belgium) Mauro Birattari (IRIDIA, Université Libre de Bruxelles, Belgium) Rehan O’Grady (IRIDIA, Université Libre de Bruxelles, Belgium) AAAI-13 Local Arrangements Cochairs Mausam (University of Washington, USA) Luke Zettlemoyer (University of Washington, USA) Main Technical Track AAAI-13 Associate Chairs Yolanda Gil (USC Information Sciences Institute, USA) Sven Koenig (University of Southern California, USA) Jennifer Neville (Purdue University, USA) Tuomas Sandholm (Carnegie Mellon University, USA) Ben Taskar (University of Washington, USA) Senior Program Committee Jim Blythe (USC Information Sciences Institute, USA) Mark Boddy (Adventium Labs, USA) Carla Brodley (Tufts University, USA) Mark Burstein (SIFT, USA) Bradley Clement (Jet Propulsion Laboratory, USA) Sanmay Das (Virginia Polytechnic Institute and State University, USA) Giuseppe De Giacomo (Sapienza Universita’ di Roma, Italy) Jennifer Dy (Northeastern University, USA) Eric Eaton (Bryn Mawr College, USA) Ahmed Elgammal (Rutgers University, USA) Tina Eliassi-Rad (Rutgers University, USA) Boi Faltings (EPFL, Switzerland) Ariel Felner (Ben-Gurion University, Israel) Tim Finin (University of Maryland, Baltimore County, USA) Johannes Furnkranz (TU Darmstadt, Germany) Hector Geffner (ICREA and Universitat Pompeu Fabra, Spain) Christopher Geib (Drexel University, USA) Alfonso Emilio Gerevini (University of Brescia, Italy) Maria Gini (University of Minnesota, USA) Robert Givan (Purdue University, USA) Jennifer Golbeck (University of Maryland, USA) Robert P. Goldman (SIFT, LLC, USA) Judy Goldsmith (University of Kentucky, USA) Tracy Hammond (Texas A&M University, USA) xxv Milos Hauskrecht (University of Pittsburgh, USA) Rob Holte (University of Alberta, Canada) Eyke Hullermeier (Philipps-University Marburg, Germany) Roni Khardon (Tufts University, USA) Sarit Kraus (Bar-Ilan University, Israel and University of Maryland, USA) Andreas Krause (ETH Zurich, Switzerland) Terran Lane (Google, USA) Jerome Lang (LAMSADE, Université Paris-Dauphine, France) Kathryn Laskey (George Mason University, USA) Alessio Lomuscio (Imperial College London, UK) Richard Maclin (University of Minnesota Duluth, USA) Dragos Margineantu (Boeing, USA) Leora Morgenstern (SAIC, USA) Karen Myers (SRI International, USA) Ani Nenkova (University of Pennsylvania, USA) Nuria Oliver Ramirez (Telefonica Research, Spain) Diane Oyen (University of New Mexico, USA) David Parkes (Harvard University, USA) Peter F. Patel-Schneider (Nuance Communications, USA) Rob Platt (SUNY at Buffalo, USA) Ariel Procaccia (Carnegie Mellon University, USA) David Pynadath (USC Institute for Creative Technologies, USA) Soumya Ray (Case Western Reserve University, USA) Dan Roth (University of Illinois at Urbana-Champaign, USA) Wheeler Ruml (University of New Hampshire, USA) Scott Sanner (NICTA, Australia) Paul Scerri (Carnegie Mellon University, USA) Jude Shavlik (University of Wisconsin, Madison, USA) Munindar Singh (North Carolina State University, USA) Gita Sukthankar (University of Central Florida, USA) Prasad Tadepalli (Oregon State University, USA) Hannu Toivonen (University of Helsinki, Finland) Peter van Beek (University of Waterloo, Canada) Pascal Van Hentenryck (Jet Propulsion Laboratory, USA) Kiri Wagstaff (Jet Propulsion Laboratory, USA) Toby Walsh (NICTA and UNSW, Australia) Michael Wellman (University of Michigan, USA) Michael Wooldridge (University of Oxford, UK) Jennifer Wortman Vaughan (Microsoft Research, USA) Stefan Wrobel (Fraunhofer IAIS and University of Bonn, Germany) Neil Yorke-Smith (American University of Beirut, Lebanon) Shlomo Zilberstein (University of Massachusetts Amherst, USA) Program Committee Thomas Agotnes (University of Bergen, Norway) Fabio Aiolli (University of Padova, Italy) Hassan Aït-Kaci (Université Claude Bernard Lyon 1, France) Leman Akoglu (SUNY Stony Brook, USA) xxvi Nancy Amato (Texas A&M University, USA) Francesco Amigoni (Politecnico di Milano, Italy) Kareem Amin (University of Pennsylvania, USA) Bo An (Chinese Academy of Sciences, China) Animashree Anandkumar (UC Irvine, USA) Elliot Anshelevich (Rensselaer Polytechnic Institute, USA) Adam Anthony (Baldwin Wallace University, USA) Lisa Anthony (University of Maryland Baltimore County, USA) Knarig Arabshian (Bell Labs Alcatel-Lucent, USA) Shlomo Engelson Argamon (Illinois Institute of Technology, USA) Alexander Artikis (NCSR Demokritos, Greece) Javad Azimi (Microsoft, USA) Yoram Bachrach (Microsoft Research, UK) Chris Baker (Massachusetts Institute of Technology, USA) Matteo Baldoni (Università degli Studi di Torino, Italy) Linas Baltrunas (Telefonica Research, Spain) Bikramjit Banerjee (The University of Southern Mississippi, USA) Laura Barbulescu (Carnegie Mellon University, USA) Elias Bareinboim (University of California, Los Angeles, USA) Roman Barták (Charles University in Prague, Czech Republic) Nicola Basilico (University of California Merced, USA) Jacob Beal (BBN Technologies, USA) Kostas Bekris (Rutgers, the State University of New Jersey, USA) Francesco Belardinelli (Université d’Evry, France) Brandon Bennett (University of Leeds, UK) Russell Bent (Los Alamos National Laboratory, USA) Jamal Bentahar (Concordia University, Canada) Bettina Berendt (KU Leuven, Belgium) Eva Besada-Portas (Universidad Complutense de Madrid, Spain) Antonis Bikakis (University College London, UK) Mikhail Bilenko (Microsoft Research, USA) Nate Blaylock (Nuance Communications, Canada) Hendrik Blockeel (KU Leuven, Belgium) Jim Boerkoel (Massachusetts Institute of Technology, USA) Ladislau Bölöni (University of Central Florida, USA) Blai Bonet (Universidad Simon Bolivar, Venezuela) Kalina Bontcheva (University of Sheffield, UK) Alexander Borgida (Rutgers University, USA) Daniel Borrajo (Universidad Carlos III de Madrid, Spain) Henrik Boström (Stockholm University, Sweden) Adi Botea (IBM Research, Ireland) Jean-François Boulicaut (LIRIS - INSA Lyon, France) Sylvain Bouveret (LIG - Grenoble INP, France) Ulf Brefeld (Technische Universität Darmstadt, Germany) Jan Broersen (Utrecht University, Netherlands) Emma Brunskill (Carnegie Mellon University, USA) Dan Bryce (SIFT, LLC., USA) Olivier Buffet (INRIA, France) Hung Bui (Nuance, USA) xxvii Razvan Bunescu (Ohio University, USA) Ioannis Caragiannis (University of Patras, Greece) Manuel Cebrian (NICTA and University of Melbourne, Australia) Georgios Chalkiadakis (Technical University of Crete, Greece) Yee Seng Chan (Raytheon BBN Technologies, USA) Vinay K. Chaudhri (SRI International, USA) Minmin Chen (Washington University, USA) Yoonsuck Choe (Texas A&M University, USA) Jaesik Choi (Lawrence Berkeley National Laboratory, USA) Peter Clark (Vulcan Inc, USA) Gary Coen (The Boeing Company, USA) Michael Coen (University of Wisconsin-Madison, USA) Amanda Coles (King’s College, London, UK) Andrew Coles (King’s College, London, UK) Simon Colton (Imperial College, London, UK) Jason Corso (SUNY at Buffalo, USA) Gabriella Cortellessa (CNR (Italian National Research Council), Italy) Paulo Costa (George Mason University, USA) Vitor Costa (Universidade do Porto, Portugal) Bernardo Cuenca Grau (University of Oxford, UK) Peng Dai (Google, USA) Mehdi Dastani (Utrecht University, The Netherlands) Jessica Davies (University of Toronto, Canada) Artur d’Avila Garcez (City University London, UK) Ernie Davis (New York University, USA) Jesse Davis (KU Leuven, Belgium) Alex Dekhtyar (Cal Poly, San Luis Obispo, USA) Juan José del Coz (University of Oviedo, Spain) Nicolás Della Penna (Australian National University, Australia) Krzysztof