Affiliation: | (1) Artificial Intelligence Center, SRI International, Menlo Park, CA, USA;(2) Intelligent Distributed Computing Department, BBN Technologies, Cambridge, MA, USA;(3) Computer Science Department, Yale University, New Haven, CT, USA;(4) Department of Computer Science, University of Toronto, Toronto, Canada;(5) DoCoMo Communications Laboratories Europe, Munich, Germany;(6) Robotics Institute, Carnegie Mellon University, Pittsburgh, PA, USA;(7) Knowledge Systems, Artificial Intelligence Laboratory, Stanford University, Stanford, CA, USA;(8) Clark+Parsia, LLC, Arlington, VA, USA;(9) webMethods, Inc., Fairfax, VA, USA |