Automatic Answer Typing for How-Questions
HLT-NAACL(2007)
摘要
We introduce an answer typing strategy specific to quantifiable how questions. Us- ing the web as a data source, we auto- matically collect answer units appropri- ate to a given how-question type. Exper- imental results show answer typing with these units outperforms traditional fixed- category answer typing and other strate- gies based on the occurrences of numeri- cal entities in text.
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