Document (#16778)

Author

Voiskunskii, V.G.

Title

Evaluation of search results : a new approach

Source

Journal of the American Society for Information Science. 48(1997) no.2, S.133-142

Year

1997

Abstract

Considers a new approach to construction of single-valued measures for evaluation of search results. Based on the formation of certain vectors, and on the use of functions allowing the evaluation of their closeness. Constructs a single valued measure. A series of constructed measures has a property imprtant in practice, leading to the creation of a mechanism which would allow the selection of the best search method for every query. Gives a general statement of this property, called the order preservation property, and analyses all considered single-valued measures for this property. Discusses problems of the legitimacy of the use of single valued measures in various specific situations. Suggests an approach to the solution of these problems

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