273 search results - page 5 / 55 » Syntactic features in question answering |
CORR
2002
Springer
13 years 9 months ago
2002
Springer
Groenendijk and Stokhof (1984, 1996; Groenendijk 1999) provide a logically attractive theory of the semantics of natural language questions, commonly referred to as the partition t...
JDCTA
2010
13 years 4 months ago
2010
In this paper we introduce the semantic approach of the answer extraction component of a question answering system called SBUQA. The answer extraction component gets the retrieved...
DKE
2008
13 years 10 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 ...
SIGIR
2003
ACM
14 years 3 months ago
2003
ACM
Question classification is very important for question answering. This paper presents our research work on automatic question classification through machine learning approaches. W...
EMNLP
2009
13 years 7 months ago
2009
In this paper, we investigate how an accurate question classifier contributes to a question answering system. We first present a Maximum Entropy (ME) based question classifier whi...