Information Access Based on Associative Calculation

Authors:
Akihiko Takano;Yoshiki Niwa;Shingo Nishioka;Makoto Iwayama;Toru Hisamitsu;Osamu Imaichi;Hirofumi Sakurai
Affiliations:
-;-;-;-;-;-;-
Venue:
SOFSEM '00 Proceedings of the 27th Conference on Current Trends in Theory and Practice of Informatics
Year:
2000

Citing 12
Cited 2

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Abstract

The statistical measures for similarity have been widely used in textual information retrieval for many decades. They are the basis to improve the effectiveness of IR systems, including retrieval, clustering, and summarization. We have developed an information retrieval system DualNAVI which provides users with rich interaction both in document space and in word space. We show that associative calculation for measuring similarity among documents or words is the computational basis of this effective information access with DualNAVI. The new approaches in document clustering (Hierarchical Bayesian Clustering), and measuring term representativeness (Baseline method) are also discussed. Both have sound mathematical basis and depend essentially on associative calculation.