Menlo Park, California Copyright 2006, AAAI Press The American Association for Artificial Intelligence 445 Burgess Drive Menlo Park, California 94025 USA AAAI maintains compilation copyright for this technical report and retains the right of first refusal to any publication (including electronic distribution) arising from this AAAI event. Please do not make any inquiries or arrangements for hardcopy or electronic publication of all or part of the papers contained in these working notes without first exploring the options available through AAAI Press and AI Magazine (concurrent submission to AAAI and an another publisher is not acceptable). A signed release of this right by AAAI is required before publication by a third party. Distribution of this technical report by any means including electronic (including, but not limited to the posting of the papers on any Website) without permission is prohibited. Rama Akkiraju, IBM T. J. Watson Research Center, US Nirmit Desai, North Carolina State University, US John Domingue, Knowledge Media Institue, UK Michael Huhns, University of South Carolina, US Vipul Kashyap, Partners Healthcare, US Joseph Kopena, Drexel University, US Juhnyoung Lee, IBM T. J. Watson Research Center, US David Martin, SRI International, US E. Michael Maximilien, IBM Almaden Research Center, US Sheila McIlraith, University of Toronto, Canada Muninder Singh, North Carolina State University, US Rainer Unland, University of Duisberg-Essen, Germany Kunal Verma, University of Georgia, US This AAAI-06 Workshop was held July 16, 2006, in Boston, Massachusetts USA iii Contents