146 search results - page 1 / 30 » Quality-aware collaborative question answering: methods and ... |
WSDM
2009
ACM
14 years 3 days ago
2009
ACM
ACL
2008
13 years 6 months ago
2008
Question answering research has only recently started to spread from short factoid questions to more complex ones. One significant challenge is the evaluation: manual evaluation i...
ACL
2009
13 years 3 months ago
2009
In this paper, we analyze the impact of different automatic annotation methods on the performance of supervised approaches to the complex question answering problem (defined in th...
DKE
2008
13 years 5 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 ...
CICLING
2008
Springer
13 years 7 months ago
2008
Springer
Nowadays there exist several kinds of question answering systems. According to recent evaluation results, most of these systems are complementary (i.e., each one is better than the...