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EMNLP
2010
13 years 2 months ago
Learning the Relative Usefulness of Questions in Community QA
We present a machine learning approach for the task of ranking previously answered questions in a question repository with respect to their relevance to a new, unanswered referenc...
Razvan C. Bunescu, Yunfeng Huang
DEXAW
2007
IEEE
138views Database» more  DEXAW 2007»
13 years 11 months ago
Machine Learning for Question Answering from Tabular Data
Question Answering (QA) systems automatically answer natural language questions in a human-like manner. One of the practical approaches to open domain QA consists in extracting fa...
Mahboob Alam Khalid, Valentin Jijkoun, Maarten de ...
CLEF
2005
Springer
13 years 10 months ago
Question Answering for Dutch Using Dependency Relations
We describe Joost, our QA system for Dutch, which makes extensive use of dependency relations. We analyzed the full Dutch CLEF QA corpus syntactically and mined it off-line for i...
Gosse Bouma, Jori Mur, Gertjan van Noord, Lonneke ...
SIGIR
2005
ACM
13 years 10 months ago
Question answering passage retrieval using dependency relations
State-of-the-art question answering (QA) systems employ termdensity ranking to retrieve answer passages. Such methods often retrieve incorrect passages as relationships among ques...
Hang Cui, Renxu Sun, Keya Li, Min-Yen Kan, Tat-Sen...
TDM
2004
122views Database» more  TDM 2004»
13 years 6 months ago
Retrieval Using Structure for Question Answering
This paper examines the use of XML for modern extractionbased question answering (QA). We feel that the XML community has taken too narrow a view of structured retrieval, and that...
Paul Ogilvie