MIT Department of Electrical Engineering & Computer Science

E E C S

Clusters and Categories in Information Access Interfaces

Marti A. Hearst
Xerox PARC

Monday, April 14, 1997
4:00 PM (3:45 refreshments)
Room NE43-518
EECS Special Seminar

Abstract

Much work in Information Retrieval has focused on how to rank-order documents returned as the result of a query. By contrast, my work has emphasized finding new ways to present retrieval results to users in compact and descriptive forms, making use both of statistical text analysis and graphical user interfaces. I have recently been examining issues related to the use of categories and clusters in the grouping of retrieval results. These ideas will be illustrated via some analyses of the usefulness of clustering retrieved documents, and by the description of a novel prototype interface that integrates large category hierarchies with query formulation and display of retrieval results. These ideas will be placed within a larger framework of information access and use as a dynamic, incremental process.


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Created: Apr 9, 1997  | Modified: Jun 24, 1997
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