273 search results - page 19 / 55 » Syntactic features in question answering |
EMNLP
2008
13 years 11 months ago
2008
Question classification plays an important role in question answering. Features are the key to obtain an accurate question classifier. In contrast to Li and Roth (2002)'s app...
ICTAI
2003
IEEE
14 years 3 months ago
2003
IEEE
We investigate two seemingly incompatible approaches for improving document retrieval performance in the context of question answering: query expansion and query reduction. Querie...
CLEF
2008
Springer
13 years 11 months ago
2008
Springer
RAVE (Real-time Answer Validation Engine) is a logic-based answer validator/selector designed for real-time question answering. Instead of proving a hypothesis for each answer, RAV...
ACL
2006
13 years 11 months ago
2006
In this paper, we explore correlation of dependency relation paths to rank candidate answers in answer extraction. Using the correlation measure, we compare dependency relations o...
TREC
2004
13 years 11 months ago
2004
We describe our first participation in TREC. We only competed in the Question Answering (QA) category and limited our runs to factoids. Our approach was to use our open domain QA ...