Browsing by Keywords "time-to-live"
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A result cache invalidation scheme for web search engines
(Bilkent University, 2011)The result cache is a vital component for the efficiency of large-scale web search engines, and maintaining the freshness of cached query results is a current research challenge. As a remedy to this problem, our work ... -
Timestamp-based cache invalidation for search engines
(ACM, 2011)We propose a new mechanism to predict stale queries in the result cache of a search engine. The novelty of our approach is in the use of timestamps in staleness predictions. We show that our approach incurs very little ...