专利名称:SEARCH ASSIST POWERED BY SESSION
ANALYSIS
发明人:Chi-Hoon Lee,Eric Crestan,Jiefeng
Shen,Richard Allan Kasperski,Su-LinWu,Omer Emre Velipasaoglu,BenoitDumoulin
申请号:US12882974申请日:20100915
公开号:US20120066195A1公开日:20120315
专利附图:
摘要:One embodiment selects from a set of query-suggestion pairs a first query anda subset of query-suggestion pairs that each has the first query as its query; computes aLog Likelihood Ratio (LLR) value for each query-suggestion pair from the subset ofquery-suggestion pairs; ranks the subset of query-suggestion pairs according to theirrespective LLR values; removes from the subset of query-suggestion pairs all query-suggestion pairs whose LLR values are below a predetermined LLR threshold; computes aPointwise Mutual Information (PMI) value for each remaining query suggestion pair fromthe subset of query-suggestion pairs; removes from the subset of query-suggestion pairsall query-suggestion pairs whose PMI values are below a predetermine PMI threshold;and constructs a ranked set of suggestions for the first query, wherein the ranked set ofsuggestions comprises one or more suggestions of the remaining query-suggestion pairsfrom the subset of query-suggestion pairs.
申请人:Chi-Hoon Lee,Eric Crestan,Jiefeng Shen,Richard Allan Kasperski,Su-LinWu,Omer Emre Velipasaoglu,Benoit Dumoulin
地址:Los Altos CA US,Union City CA US,Sammamish WA US,Creston CA,San Carlos CAUS,San Francisco CA US,Palo Alto CA US
国籍:US,US,US,CA,US,US,US
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