The Interspace: Concept Navigation across Distributed Communities, IEEE Computer, Annual Trends Issue, 35(1), pp 54-62, Jan 2002
	Federated Search of Scientific Literature, IEEE Computer, Special Issue on Digital Libraries, 32(2), pp 51-59, Feb 1999
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Concept Switching in the Interspace: Networking Infrastructure for Community Knowledge, Keynote Address at 4th IEEE International Workshop on Knowledge Media Networking, July 11, 2002, Kyoto, Japan [Powerpoint] Workshop Poster

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THE NET OF THE 21st CENTURY: Concepts across the Interspace , Opening Keynote at CNI (Coalition for Networked Information) CNI Spring Meeting, April 26, 1999, Washington, DC

Concepts across the Interspace: Networking Infrastructure for Community Knowledge , "The Third Wave of the Internet", CANARIE 8th Annual Advanced Networks Workshop, lead invited talk in Third Wave panel, November 19, 2002, Montreal, Canada

Concepts across the Interspace: Information Infrastructure for Community Knowledge , lead invited talk in Information Retrieval session, Sheafor-Lindsey Digital Library Symposium, Rice University, December 11, 2001, Houston, TX

Opening Keynote atz, B., Opening Keynote at CNI (Coalition for Networked Information) CNI Spring Meeting, April 26, 1999, Washington, DC n for Networked Information) CNI Spring Meeting, April 26, 1999, Washington, DC Coalition for Networked Information) CNI Spring Meeting, April 26, 1999, Washington, DC CNI (Coalition for Networked Information) CNI Spring Meeting, April 26, 1999, Washington, DC