65 search results - page 5 / 13 » Answering Clinical Questions with Knowledge-Based and Statis... |
118
Voted
TREC
2000
14 years 11 months ago
2000
CL Research's question-answering system (DIMAP-QA) for TREC-9 significantly extends its semantic relation triple (logical form) technology in which documents are fully parsed...
86
Voted
TREC
2007
14 years 11 months ago
2007
We describe recent extensions to the Ephyra question answering (QA) system and their evaluation in the TREC 2007 QA track. Existing syntactic answer extraction approaches for fact...
68
Voted
SIGIR
2006
ACM
15 years 4 months ago
2006
ACM
Despite its intuitive appeal, the hypothesis that retrieval at the level of “concepts” should outperform purely term-based approaches remains unverified empirically. In addit...
72
Voted
CLEF
2007
Springer
15 years 4 months ago
2007
Springer
In this paper we describe our experiments in finding answers from documents based on statistical and linguistic knowledge. We collected the candidate answers from sources available...
ACL
2007
14 years 11 months ago
2007
We present an approach to query expansion in answer retrieval that uses Statistical Machine Translation (SMT) techniques to bridge the lexical gap between questions and answers. S...