Timestamp-based cache invalidation for search engines

Authors:
Sadiye Alici;Ismail Sengor Altingovde;Rifat Ozcan;B. Barla Cambazoglu;Özgür Ulusoy
Affiliations:
Bilkent University, Ankara, Turkey;Bilkent University, Ankara, Turkey;Bilkent University, Ankara, Turkey;Yahoo! Research, Barcelona, Spain;Bilkent University, Ankara, Turkey
Venue:
Proceedings of the 20th international conference companion on World wide web
Year:
2011

Citing 2
Cited 1

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Proceedings of the 19th international conference on World wide web
Caching search engine results over incremental indices

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Timestamp-based result cache invalidation for web search engines

Proceedings of the 34th international ACM SIGIR conference on Research and development in Information Retrieval

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Abstract

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 overhead on the system while its prediction accuracy is comparable to earlier works.