@Proceedings{Knowledge_Based_Electronic_Markets, author = "Tim Finin and Benjamin Grosof", editor = "Tim Finin and Benjamin Grosof", title = "{Knowledge-Based Electronic Markets}", month = "August", year = "2000", series = "Papers from the AAAI Workshop", note = "AAAI Technical Report WS-00-04, ISBN 1-57735-119-3", publisher = "AAAI Press", }