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Answer‐passage retrieval by text searching

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  • John O'Connor

Abstract

Passage retrieval (already operational for lawyers) has advantages in output form over reference retrieval and is economically feasible. Previous experiments in passage retrieval for scientists have demonstrated recall and false retrieval rates as good or better than those of present reference retrieval services. The present experiment involved a greater variety of forms of retrieval question. In addition, search words were selected independently by two different people for each retrieval question. The search words selected, in combination with the computer procedures used for passage retrieval, produced average recall ratios of 72 and 67%, respectively, for the two selectors. The false retrieval rates were (except for one predictably difficult question) respectively 13 and 10 falsely retrieved sentences per answer‐paper retrieved.

Suggested Citation

  • John O'Connor, 1980. "Answer‐passage retrieval by text searching," Journal of the American Society for Information Science, Association for Information Science & Technology, vol. 31(4), pages 227-239, August.
  • Handle: RePEc:bla:jamest:v:31:y:1980:i:4:p:227-239
    DOI: 10.1002/asi.4630310402
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