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FindAll: A Local Search Engine for Mobile Phones

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Executive Summary

The authors present the design and evaluation of FindAll, a local search engine that lets users search and retrieve web pages, even in the absence of connectivity. Their user study with 23 users show that mobile users often search for web pages that they have previously visited, known as re-finding. This re-finding behavior makes the case for a local solution. FindAll goes beyond caching and using keyword search, and instead, implements a full blown search engine. The key challenge in FindAll is in designing a search engine, which is both memory- and energy-intensive, on the constrained phone environment. To this end, FindAll balances the cost of running the search engine with the expected benefits of serving a web page locally.

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