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Facebook Shares Details On Building Graph Search

Facebook engineers share the details of what it took to build Graph Search. In a detailed post, Ashoat Tevosyan describes the project's history: collecting the data, ranking results, updating and serving text, and building the index. Surfacing content requires the use of two primary techniques: query rewriting, and dynamic results scoring. With a trillion posts in the index, most queries return many more results than anyone could ever read -- which, similar to Google and Bing, requires ranking. That's just a small piece of the social site's search service.

Read the whole story at Facebook Engineering Blog »

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