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    • 10. 发明授权
    • Functionality for personalizing search results
    • 个性化搜索结果的功能
    • US08700544B2
    • 2014-04-15
    • US13162906
    • 2011-06-17
    • David A. SontagKevyn B. Collins-ThompsonPaul N. BennettRyen W. WhiteSusan T. Dumais
    • David A. SontagKevyn B. Collins-ThompsonPaul N. BennettRyen W. WhiteSusan T. Dumais
    • G06N5/00G06F1/00
    • G06F17/30011
    • A query processing system is described herein for personalizing results for a particular user. The query processing system operates by receiving a query from a particular user u who intends to find results that satisfy the query with respect to a topic Tu, the user being characterized by user information θu. In one implementation, the query processing system then produces a generic topic distribution Prr(T|q) associated with the query that is germane to a population of generic users, as well as a user-specific query-dependent topic distribution Pr(Tu|q,θu) for the particular user. The query processing system then produces personalized results for the particular user based on Prr(T|q) and Pr(Tu|q,θu). The query processing system can use multiple techniques to produce Pr(Tu|q,θu), such as, in one approach, a discriminative learning approach.
    • 这里描述了一种用于个性化特定用户的结果的查询处理系统。 查询处理系统通过接收来自特定用户的查询,该用户u意图找到满足关于主题Tu的查询的结果,该用户由用户信息和图标表征; u。 在一个实现中,查询处理系统然后产生与查询相关联的通用主题分布Prr(T | q),该查询与普通用户的总体以及用户特定的查询相关主题分布Pr(Tu | q,&thetas; u)对于特定用户。 然后,查询处理系统基于Prr(T | q)和Pr(Tu | q,&thetas; u)产生针对特定用户的个性化结果。 查询处理系统可以使用多种技术来产生Pr(Tu | q,& tt; u),例如在一种方法中的歧视性学习方法。