The State of the Art in Text Filtering

  • Authors:
  • Douglas W. Oard

  • Affiliations:
  • Digital Library Research Group, College of Library and Information Services, University of Maryland, College Park, MD 20742, U.S.A. e-mail: oard@glue.umd.edu

  • Venue:
  • User Modeling and User-Adapted Interaction
  • Year:
  • 1997

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Abstract

This paper develops a conceptual framework for text filtering practiceand research, and reviews present practice in the field. Text filtering is an information seeking process in which documents are selected from a dynamic text stream to satisfy a relatively stable and specific information need. A model of the information seeking process is introduced and specialized to define text filtering. The historical development of text filtering is then reviewed and case studies of recent work are used to highlight important design characteristics of modern text filtering systems. User modeling techniques drawn from information retrieval, recommender systems, machine learning and other fields are described. The paper concludes with observations on the present state of the art and implications for future research on text filtering.