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» NTT Question Answering System in TREC 2001
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EMNLP
2008
13 years 9 months ago
Automatic Set Expansion for List Question Answering
This paper explores the use of set expansion (SE) to improve question answering (QA) when the expected answer is a list of entities belonging to a certain class. Given a small set...
Richard C. Wang, Nico Schlaefer, William W. Cohen,...
ACSC
2006
IEEE
14 years 1 months ago
A semantic approach to boost passage retrieval effectiveness for question answering
In the current state of the rapid growth of information resources and the huge number of requests submitted by users to existing information retrieval systems; recently, Question ...
Bahadorreza Ofoghi, John Yearwood, Ranadhir Ghosh
COLING
2002
13 years 7 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 8 months ago
The University of Amsterdam at the TREC 2007 QA Track
Abstract: In our participation in the TREC 2007 Question Answering (QA) track, we focused on three tasks. First, we processed the new blog corpus and converted it to formats which ...
Katja Hofmann, Valentin Jijkoun, Mahboob Alam Khal...
NAACL
2004
13 years 8 months ago
A Probabilistic Rasch Analysis of Question Answering Evaluations
The field of Psychometrics routinely grapples with the question of what it means to measure the inherent ability of an organism to perform a given task, and for the last forty yea...
Rense Lange, Juan Moran, Warren R. Greiff, Lisa Fe...