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COLING
2008
15 years 5 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
157
Voted
EXACT
2007
15 years 6 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...
119
Voted
EMNLP
2008
15 years 5 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
131
Voted
EMNLP
2004
15 years 5 months ago
Object-Extraction and Question-Parsing using CCG
Accurate dependency recovery has recently been reported for a number of wide-coverage statistical parsers using Combinatory Categorial Grammar (CCG). However, overall figures give...
Stephen Clark, Mark Steedman, James R. Curran
118
Voted
AAAI
2004
15 years 5 months ago
Interpreting Loosely Encoded Questions
Knowledge-based question-answering systems have become quite competent and robust at answering a wide range of questions in different domains, however in order to ask questions co...
James Fan, Bruce W. Porter