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Selective relevance feedback using term characteristics

Ruthven, I. and Lalmas, M. (1999) Selective relevance feedback using term characteristics. In: Proceedings of the Third International Conference on Conceptions of Library and Information Science (CoLIS 3), 1999-05-23 - 1999-05-26.

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This paper presents a new relevance feedback technique; selectively combining evidence based on the usage of terms within documents. By considering how terms are used within documents, we can better describe the features that might make a document relevant and thus improve retrieval effectiveness. In this paper we present an initial, experimental investigation of this technique, incorporating new and existing measures for describing the information content of a document. The results from these experiments positively support our hypothesis that extending relevance feedback to take into account how terms are used within documents can improve the performance of relevance feedback.