Schedule: Day 1 (March 27 2006): 9:00 - 9:20 Introduction to the Symposium -- Chitta Baral 9:20 - 10:30 Foundation Technology and Lessons Learned from Community Interoperability Efforts. Invited talk by Richard Fikes. BREAK 11:00 - 11:20 Discussion on the invited talk. 11:20 - 11:50 Towards a Modular action description language. Vladimir Lifschitz and Wanwan Ren. 11:50 - 12:30 Why the Monkey Needs the Box: A Serious Look at Toy Domains. Vladimir Lifschitz LUNCH 2:00 - 2:45 Going Places -- notes on a modular development of knowledge about travel Michael Gelfond. 2:45 - 3:30 Macros, Macro calls and use of ensembles in modular answer set programming. Saadat Anwar, Chitta Baral, and Juraj Dzifcak. BREAK 4:00 - 4:45 A tool for knowledge base integration and querying, Omar El Khatib, Enrico Pontelli, Tran Son 4:45 - 5:05 Hierarchical task libraries in Congolog. Alfredo Gabaldon 5:05 - 5:25 Development of a background knowledge about transportation and smuggling. Richard Scherl Day 2 (March 28 2006): 9:00 - 10:10 On WordNet, Text Mining, and Knowledge Bases of the Future Invited talk by Peter Clark 10:10 - 10:30 Discussion on the invited talk BREAK 11:00 - 11:45 Approximate Objects are precise in some contexts. John McCarthy. 11:45 - 12:30 Specifying a Web Service Ontology in First-Order Logic. Michael Grunigner and Sheila McIlraith LUNCH 2:00 - 2:45 Building a repository of background knowledge using semantic skeletons. Boris Galitsky 2:45 - 3:30 An introduction to the syntax and content of CYC. Cynthia Matuszek, John Cabral, Michael Witbrock, John DeOliveira BREAK 4:00 - 5:30 Panel on Technical Issues for Developing Knowledge Repositories Day 3 (March 29 2006) 9:00 - 9:45 A knowledge module - buying and selling. Joohyung Lee and Vladimir Lifschitz. 9:45 - 10:30 Combining logical and probabilistic reasoning. Michael Gelfond, Weijun Zhu. BREAK 11:00 - 12:15 Panel on Where do we go from here? How do we make the idea of a Knowledge Repository a reality? 12:15 - 12:30 Closing