发明名称 |
Information retrieval based on semantic patterns of queries |
摘要 |
An information retrieval method includes pre-processing a set of historical query information and processing a user query. Pre-processing a set of historical query information includes determining a plurality of semantic patterns based on a plurality of queries in the set of historical query information; establishing correspondence relationships between the plurality of semantic patterns and a plurality of filtering and ranking operations. Processing a user query comprises receiving the user query; retrieve a plurality of results in response to the user query; determining a semantic pattern that corresponds to the user query; determining a set of filtering and ranking operations that corresponds to the semantic pattern based on the correspondence relationships; and performing the set of filtering and ranking operations on the plurality of results to generate a set of filtered and ranked results.
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申请公布号 |
US2011060733(A1) |
申请公布日期 |
2011.03.10 |
申请号 |
US20100807217 |
申请日期 |
2010.08.30 |
申请人 |
ALIBABA GROUP HOLDING LIMITED |
发明人 |
PENG SHENG;SUN JIAN;HOU LEI;ZHANG QIN |
分类号 |
G06F17/30 |
主分类号 |
G06F17/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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