发明名称 |
System and methods for finding hidden topics of documents and preference ranking documents |
摘要 |
Systems and methods are disclosed to perform preference learning on a set of documents includes receiving raw input features from the set of documents stored on a data storage device; generating polynomial combinations from the raw input features; generating one or more parameters; applying the parameters to one or more classifiers to generate outputs; determining a loss function and parameter gradients and updating parameters determining one or more sparse regularizing terms and updating the parameters; and expressing that one document is preferred over another in a search query and retrieving one or more documents responsive to the search query. |
申请公布号 |
US8521662(B2) |
申请公布日期 |
2013.08.27 |
申请号 |
US201113078984 |
申请日期 |
2011.04.03 |
申请人 |
CHEN XI;QI YANJUN;BAI BING;NEC LABORATORIES AMERICA, INC. |
发明人 |
CHEN XI;QI YANJUN;BAI BING |
分类号 |
G06F15/18 |
主分类号 |
G06F15/18 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|