Browsing by Subject "Hit ratios"

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    Static query result caching revisited
    (ACM, 2008-04) Özcan, Rıfat; Altıngövde, İsmail Şengör; Ulusoy, Özgür
    Query result caching is an important mechanism for search engine efficiency. In this study, we first review several query features that are used to determine the contents of a static result cache. Next, we introduce a new feature that more accurately represents the popularity of a query by measuring the stability of query frequency over a set of time intervals. Experimental results show that this new feature achieves hit ratios better than those of the previously proposed features.