264 search results - page 2 / 53 » A ProtoType Question Answering System Using Syntactic and Se... |
TREC
2007
13 years 5 months ago
2007
A Question Answering (QA) system aims to return exact answers to natural language questions. While today information retrieval techniques are quite successful at locating within l...
IRI
2008
IEEE
13 years 11 months ago
2008
IEEE
In this paper, we propose an alignment-based surface pattern approach, called ABSP, which integrates semantic information into syntactic patterns for question answering (QA). ABSP...
DKE
2008
13 years 4 months ago
2008
In this paper, we discuss a novel technique based on semantic constraints to improve the performance and portability of a reformulation-based question answering system. First, we ...
ACL
2006
2006
Answer Extraction, Semantic Clustering, and Extractive Summarization for Clinical Question Answering
13 years 6 months ago
This paper presents a hybrid approach to question answering in the clinical domain that combines techniques from summarization and information retrieval. We tackle a frequently-oc...
CIKM
2010
Springer
13 years 3 months ago
2010
Springer
This work presents a general rank-learning framework for passage ranking within Question Answering (QA) systems using linguistic and semantic features. The framework enables query...