发明名称 |
PREDICTING LEXICAL ANSWER TYPES IN OPEN DOMAIN QUESTION AND ANSWERING (QA) SYSTEMS |
摘要 |
In an automated Question Answer (QA) system architecture for automatic open-domain Question Answering, a system, method and computer program product for predicting the Lexical Answer Type (LAT) of a question. The approach is completely unsupervised and is based on a large-scale lexical knowledge base automatically extracted from a Web corpus. This approach for predicting the LAT can be implemented as a specific subtask of a QA process, and/or used for general purpose knowledge acquisition tasks such as frame induction from text.
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申请公布号 |
US2013035931(A1) |
申请公布日期 |
2013.02.07 |
申请号 |
US201213596636 |
申请日期 |
2012.08.28 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION;FERRUCCI DAVID A.;GLIOZZO ALFIO M.;KALYANPUR ADITYA A. |
发明人 |
FERRUCCI DAVID A.;GLIOZZO ALFIO M.;KALYANPUR ADITYA A. |
分类号 |
G06F17/27 |
主分类号 |
G06F17/27 |
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