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» NTT Question Answering System in TREC 2001
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ACL
2006
13 years 9 months ago
Improving QA Accuracy by Question Inversion
This paper demonstrates a conceptually simple but effective method of increasing the accuracy of QA systems on factoid-style questions. We define the notion of an inverted questio...
John M. Prager, Pablo Ariel Duboué, Jennife...
ACL
2001
13 years 8 months ago
The Role of Lexico-Semantic Feedback in Open-Domain Textual Question-Answering
This paper presents an open-domain textual Question-Answering system that uses several feedback loops to enhance its performance. These feedback loops combine in a new way statist...
Sanda M. Harabagiu, Dan I. Moldovan, Marius Pasca,...
TREC
2007
13 years 8 months ago
Passage Relevancy Through Semantic Relatedness
Questions that require answers in the form of a list of entities and the identification of diverse biological entity classes present an interesting challenge that required new app...
Luis Tari, Phan Huy Tu, Barry Lumpkin, Robert Leam...
WWW
2001
ACM
14 years 8 months ago
Learning search engine specific query transformations for question answering
We introduce a method for learning query transformations that improves the ability to retrieve answers to questions from an information retrieval system. During the training stage...
Eugene Agichtein, Steve Lawrence, Luis Gravano
NAACL
2003
13 years 8 months ago
An Analysis of Clarification Dialogue for Question Answering
We examine clarification dialogue, a mechanism for refining user questions with follow-up questions, in the context of open domain Question Answering systems. We develop an algori...
Marco De Boni, Suresh Manandhar