Some Considerations for Approximate Optimal Queries.

K. L. Kwok: Some Considerations for Approximate Optimal Queries. SIGIR 1987: 19-24

@inproceedings{DBLP:conf/sigir/Kwok87,
  author    = {K. L. Kwok},
  title     = {Some Considerations for Approximate Optimal Queries},
  booktitle = {Proceedings of the Tenth Annual International ACM SIGIR Conference
               on Research and Development in Information Retrieval, New Orleans,
               Louisiana, USA, June 3-5, 1987},
  publisher = {ACM},
  year      = {1987},
  pages     = {19-24},
  ee        = {db/conf/sigir/Kwok87.html},
  crossref  = {DBLP:conf/sigir/87},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

BibTeX

Abstract

An optimal query has been defined as one which will recover all the known relevant documents of a query in their best probability of relevance ranking. We have slightly modified the definition so that it also allows one to trace its evolution from the original to the optimal via the various feedback stages. Such a query can be constructed by modifying the original query with terms from the known relevant documents. It is pointed out that such a term addition strategy differs materially from other approaches that add terms based on term association with all query terms, and calculated from the whole document collection. The effect of viewing a document as constituted of components, and hence affecting the weighting and retrieval results of of the optimal query, is also discussed.

Copyright © 1987 by the ACM, Inc., used by permission. Permission to make digital or hard copies is granted provided that copies are not made or distributed for profit or direct commercial advantage, and that copies show this notice on the first page or initial screen of a display along with the full citation.

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Proceedings of the Tenth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, New Orleans, Louisiana, USA, June 3-5, 1987. ACM 1987
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