| 摘要 |
Tools and techniques for expertise ranking using social distance are provided. These tools may receive search queries from users, and extract from these search queries record identifiers associated with the users. In addition, the tools may extract query strings from the search queries. In connection with processing these queries, the tools may identify other users associated with a given user, with some of these other users being first-level colleagues of a given user, and some of these other users being second-level colleagues. The tools may identify documents within a search store that are associated with the other users, and may search these documents for any occurrences of the query string. In turn, results of the search may be ranked based on a social distance between the user and the other users, with the social distance indicating whether the other users are first-level or second-level colleagues of the user.
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