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Evaluation of search results: A new approach

✍ Scribed by Voiskunskii, Vladimir G.

Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
947 KB
Volume
48
Category
Article
ISSN
0002-8231

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✦ Synopsis

In the present work, a new approach to construction of single-valued measures for evaluation of search results is considered in detail. This approach is baaed ffrat on the formation of certain vectors, and second on the use of functions altowing the evaluation of their closeness. Realization of WIS approech leads to construction of new, as well as widety-known, single-valued measures. A series of constructed messures has a proparty impommt in prsctke, leading to the creetion of a mechenism which would alfow the aefectfon of the best search method (from a set of available methods) for every query. In this article, a general statement of this property, calkd the order praservatton property, is given, and all considered single-valued measures are analyzed for the existence of this property. Finally, problems of the legitimacy of the use of single-valued measures in varfous specific situations are discussed in the article, and an approach to the solution of these problems is suggested.

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