Supporting resource discovery among public Internet archives using a spectrum of information quality. - Michael F. Schwartz; Darren R. Hardy; William K. Heinzman; Glenn C. Hirschowitz (ICDCS, 1991)

Essence: A Resource Discovery System Based on Semantic File Indexing. - Darren R. Hardy; Michael F. Schwartz (USENIX Winter, 1993)

The Harvest Information Discovery and Access System. - C. Mic Bowman; Peter B. Danzig; Darren R. Hardy; Udi Manber; Michael F. Schwartz (Comput. Networks ISDN Syst., 1995)

Customized Information Extraction as a Basis for Resource Discovery. - Darren R. Hardy; Michael F. Schwartz (ACM Trans. Comput. Syst., 1996)

CIP Index Object Format for SOIF Objects. - Ted Hardie; Mic Bowman; Darren R. Hardy; Mike Schwartz; Duane Wessels (RFC, 1999)