@InProceedings{The_DARPA_Knowledge_Sharing_Effort_Progress_Report, author = "Ramesh Patil, Richard Fikes, Peter Patel-Schneider, Donald P McKay, Tim Finin, Thomas Gruber, and Robert Neches", editor = "Bernhard Nebel", title = "{The DARPA Knowledge Sharing Effort: Progress Report}", month = "August", year = "1992", organization = " ", booktitle = "Proceedings of the Third International Conference on Principles Of Knowledge Representation And Reasoning", publisher = "Morgan Kaufman", }