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COLING
2002
13 years 9 months ago
The Effectiveness of Dictionary and Web-Based Answer Reranking
We describe an in-depth study of using a dictionary (WordNet) and web search engines (Altavista, MSN, and Google) to boost the performance of an automated question answering syste...
Chin-Yew Lin
TREC
2007
13 years 11 months ago
Semantic Extensions of the Ephyra QA System for TREC 2007
We describe recent extensions to the Ephyra question answering (QA) system and their evaluation in the TREC 2007 QA track. Existing syntactic answer extraction approaches for fact...
Nico Schlaefer, Jeongwoo Ko, Justin Betteridge, Ma...
CLEF
2006
Springer
14 years 1 months ago
The Effect of Entity Recognition on Answer Validation
The Answer Validation Exercise (AVE) 2006 is aimed at evaluating systems able to decide whether the responses of a Question Answering (QA) system are correct or not. Since most of ...
Álvaro Rodrigo, Anselmo Peñas, Jes&u...
CICLING
2005
Springer
14 years 3 months ago
Learning the Query Generation Patterns
Abstract. With the current method of query formation, a Question Answering system retrieves a set of documents that are similar to a question, while what is mostly required is a se...
Marcin Skowron, Kenji Araki
WWW
2004
ACM
14 years 10 months ago
FADA: find all distinct answers
The wealth of information available on the web makes it an attractive resource for seeking quick answers. While web-based question answering becomes an emerging topic in recent ye...
Hui Yang, Tat-Seng Chua