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    • 10. 发明授权
    • Combined online and offline ranking
    • 综合在线和离线排名
    • US09020866B1
    • 2015-04-28
    • US13596478
    • 2012-08-28
    • Yue ZhouFrancois Huet
    • Yue ZhouFrancois Huet
    • G06F15/18G06N3/00G06N99/00G06F17/30
    • G06F17/3053G06F17/30554G06F17/30864G06N99/005G06Q30/0625
    • Approaches are described for ranking multiple products or other items, such as products obtained in response to a search request submitted to a server. The ranking system determines a ranking score for the products based on both data available online and item data that must be computed offline due to longer computation time or unavailability of data. The ranking score can be used to rank the products and determine which products are the most relevant to the user. A hybrid boosting method is used to first train an online ranking function to produce an online ranking score for the item. In the second phase, an offline ranking function is trained to produce a second ranking score for the item. The online rank score is combined with the offline rank score at query time to produce a combined rank for the items in the search results.
    • 描述了用于排序多个产品或其他项目的方法,例如响应于提交给服务器的搜索请求而获得的产品。 排名系统基于在线可用数据和由于计算时间长或数据不可用而必须离线计算的项目数据来确定产品的排名得分。 排名得分可用于对产品进行排名,并确定哪些产品与用户最相关。 混合增强方法用于首先训练在线排名功能以产生该项目的在线排名分数。 在第二阶段中,训练离线排序功能以产生该项目的第二排名得分。 在线评分与查询时的离线评分相结合,以产生搜索结果中的项目的组合等级。