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33 records (took 0.041 seconds)

    Freshness-based ranking
    21.
    发明授权
    Freshness-based ranking 有权
    以新鲜为主的排名

    公开(公告)号：US08832088B1

    公开(公告)日：2014-09-09

    申请号：US13562098

    申请日：2012-07-30

    Applicant: Zhihui Chen ,  Cheng Zhu

    Inventor： Zhihui Chen ,  Cheng Zhu

    IPC: G06F7/00 ,  G06F17/30 ,  G06Q30/02

    CPC classification number: G06F17/30864 ,  G06F17/30675 ,  G06F17/30867 ,  G06Q30/00 ,  G06Q30/02

    Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for ranking search results. One of the methods includes receiving a search result obtained in response to a query. A recent impression probability for the query for a recent time period and an overall impression probability for the query for an overall time period are computed. A ratio QtoA of the recent impression probability to the overall impression probability is computed. A determination is made that users prefer newer resources over older resources for the query based on QtoA and that the resource is a new resource. A new score S′ is associated with the resource in place of S, wherein the new score S′ signifies a better result than the score S signifies, based on determining that users prefer newer resources over older resources for the query, and that the resource is a new resource.

    Abstract translation: 方法，系统和装置，包括在计算机存储介质上编码的计算机程序，用于对搜索结果进行排名。 其中一种方法包括接收响应于查询而获得的搜索结果。 计算最近时间段的查询的最近的展示概率和整个时间段的查询的总体展示概率。 计算出最近的印象概率与整体印象概率的比值QtoA。 确定用户根据QtoA的查询优先选择较旧的资源，资源是新的资源。 新的分数S'与资源相关联，代替S，其中新分数S'表示比分数S表示更好的结果，这基于确定用户喜欢比较旧的资源更新的资源用于查询，并且资源 是一个新的资源。

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