SOPHIA: an interactive cluster-based retrieval system for the OHSUMED collection

Authors:
V. Dobrynin;D. Patterson;M. Galushka;N. Rooney
Affiliations:
Dept. of Programming Technol., St. Petersburg State Univ., Russia;-;-;-
Venue:
IEEE Transactions on Information Technology in Biomedicine
Year:
2005

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Abstract

The ability to perform an exploratory search and retrieval of relevant documents from a large collection of domain-specific documents is an important requirement both in the field of medicine and other areas. In this paper, we present a unsupervised distributional clustering technique called SOPHIA. SOPHIA provides a semantically meaningful visual clustering of the document corpus in conjunction with an intuitive interactive search facility. We assess the effectiveness of SOPHIA's cluster-based information retrieval for the MEDLINE testset collection known as OHSUMED.