公开(公告)号：US20150310487A1

公开(公告)日：2015-10-29

申请号：US14262120

申请日：2014-04-25

Applicant: Yahoo! Inc.

Inventor： Jian XU ,  Yu ZOU ,  Chunming WANG

IPC: G06Q30/02 ,  G06F17/30

CPC classification number: G06Q30/0256 ,  G06F16/24578 ,  G06F16/951

Abstract: Systems and methods for commercial query suggestion are disclosed. The system includes a database including search logs. The system includes a set of initial suggestion phrases extracted from the database. The system includes a search engine that generates a query search result based on a query and generates a suggestion search result based on each suggestion phrase in the set of initial suggestion phrases. The system includes a feature generation device that generates a query vector and a suggestion vector based on the query search result and the suggestion search result. The system obtains a relevance score for each suggestion phrases based on a relevance model. The system includes a subset of the initial suggestion phrases based on the relevance scores. The system obtains a click probability score for each suggestion phrases in the subset of initial suggestion phrases based on a click model.

Abstract translation: 披露了商业查询建议的系统和方法。 该系统包括一个包含搜索日志的数据库。 该系统包括从数据库中提取的一组初始建议短语。 该系统包括搜索引擎，其基于查询生成查询搜索结果，并且基于初始建议短语集合中的每个建议短语生成建议搜索结果。 该系统包括基于查询搜索结果和建议搜索结果生成查询向量和建议向量的特征生成装置。 系统基于相关性模型获得每个建议短语的相关性分数。 该系统基于相关性分数包括初始建议短语的子集。 该系统基于点击模型获得初始建议短语子集中每个建议短语的点击概率得分。