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    • 3. 发明授权
    • Methods and systems for adjusting a scoring measure based on query breadth
    • 基于查询宽度调整评分度量的方法和系统
    • US08060517B2
    • 2011-11-15
    • US13082732
    • 2011-04-08
    • Karl Robert PflegerBrian Larson
    • Karl Robert PflegerBrian Larson
    • G06F7/00
    • G06F17/30675
    • Methods and systems for adjusting a scoring measure of a search result based at least in part on the breadth of a previously-executed search query associated with the search result are described. In one described system, a search engine determines a popularity measure for a search result, and then adjusts the popularity measure based at least in part on a query breadth measure of a previously-executed search query associated with the search result. The search engine may use a variety of query breadth measures. For example, the search engine may use the quantity of results returned by the search query, the length of the query, the IR score drop-off, or some other measure of breadth.
    • 描述了至少部分地基于与搜索结果相关联的先前执行的搜索查询的宽度来调整搜索结果的评分度量的方法和系统。 在一个描述的系统中,搜索引擎确定搜索结果的流行度量度,然后至少部分地基于与搜索结果相关联的先前执行的搜索查询的查询宽度度量来调整流行度量。 搜索引擎可以使用各种查询宽度度量。 例如,搜索引擎可以使用由搜索查询返回的结果的数量,查询的长度,IR分数下降或其他某种宽度的度量。