OTHER INFORMATION:
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Developed a special mechanized retrieval system at Lehigh; Creator of the Leadermart System, the most powerful text retrieval system of its time (late 60s, early 70s); Worked on early computer-based bibliographic record systems (LEADER, LEADERMART) at Lehigh University with NSF support; Also did early studies on logic and linguistics; Innovative online system LEADER--ahead of his time in the theoretical development--see Bellardo and Bourne draft (Bellardo); In last few years has not been doing much IR work but is still active in such areas as databases, expert systems, hypermedia, etc.
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