Sciweavers

2475 search results - page 121 / 495
» Question Answering in TREC
Sort
View
CLEF
2007
Springer
16 years 21 days ago
Using Recognizing Textual Entailment as a Core Engine for Answer Validation
This paper is about our approach to answer validation, which centered by a Recognizing Textual Entailment (RTE) core engine. We first combined the question and the answer into Hypo...
Rui Wang, Günter Neumann
NDQA
2003
108views Education» more  NDQA 2003»
15 years 7 months ago
Answer Selection and Confidence Estimation
We focused on two issues: answer selection and confidence estimation. We found that some simple constraints on the candidate answers can improve a pure IR-based technique for answ...
Jinxi Xu, Ana Licuanan, Jonathan May, Scott Miller...
COLING
2008
15 years 8 months ago
Classifying What-Type Questions by Head Noun Tagging
Classifying what-type questions into proper semantic categories is found more challenging than classifying other types in question answering systems. In this paper, we propose to ...
Fangtao Li, Xian Zhang, Jinhui Yuan, Xiaoyan Zhu
EXACT
2007
15 years 8 months ago
A Categorization of Explanation Questions for Task Processing Systems
A critical aspect of any explanation module is the set of user questions the system will be able to address. However, there has been relatively little work on listing and organizi...
Deborah L. McGuinness, Alyssa Glass, Michael Wolve...
EMNLP
2008
15 years 8 months ago
Question Classification using Head Words and their Hypernyms
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...
Zhiheng Huang, Marcus Thint, Zengchang Qin