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Collaborative relevance judgment: A group consensus method for evaluating user search performance

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  • Xiangmin Zhang

Abstract

Relevance judgment has traditionally been considered a personal and subjective matter. A user's search and the search result are treated as an isolated event. To consider the collaborative nature of information retrieval (IR) in a group/organization or even societal context, this article proposes a method that measures relevance based on group/peer consensus. The method can be used in IR experiments. In this method, the relevance of a document is decided by group consensus, or more specifically, by the number of users (or experiment participants) who retrieve it for the same search question. The more users who retrieve it, the more relevant the document will be considered. A user's search performance can be measured by a relevance score based on this notion. The article reports the results of an experiment using this method to compare the search performance of different types of users. Related issues with the method and future directions are also discussed.

Suggested Citation

  • Xiangmin Zhang, 2002. "Collaborative relevance judgment: A group consensus method for evaluating user search performance," Journal of the American Society for Information Science and Technology, Association for Information Science & Technology, vol. 53(3), pages 220-231.
    • Handle: RePEc:bla:jamist:v:53:y:2002:i:3:p:220-231
    DOI: 10.1002/asi.10036
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