573 search results - page 10 / 115 » A Semantic Approach to Question Answering Systems |
ACL
2001
13 years 9 months ago
2001
This paper presents an open-domain textual Question-Answering system that uses several feedback loops to enhance its performance. These feedback loops combine in a new way statist...
SEMCO
2007
IEEE
14 years 2 months ago
2007
IEEE
In this paper, we present an approach which, given a knowledge base and an appropriate text corpus, automatically induces patterns which can be used to query the knowledge base. W...
CLEF
2006
Springer
14 years 4 days ago
2006
Springer
We describe a question answering system for Dutch that we used for our participation in the 2006 CLEF Question Answering Dutch monolingual task. We give an overview of the system a...
CIKM
2010
Springer
13 years 7 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...
SIGIR
2004
ACM
14 years 1 months ago
2004
ACM
Answer patterns have been shown to improve the performance of open-domain factoid QA systems. Their use, however, requires either constructing the patterns manually or developing ...