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SIGIR
2004
ACM
15 years 11 months ago
The effect of document retrieval quality on factoid question answering performance
Kevyn Collins-Thompson, Jamie Callan, Egidio L. Te...
SIGIR
2005
ACM
15 years 11 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...
CIKM
2004
Springer
15 years 11 months ago
Approximating the top-m passages in a parallel question answering system
We examine the problem of retrieving the top-m ranked items from a large collection, randomly distributed across an n-node system. In order to retrieve the top m overall, we must ...
Charles L. A. Clarke, Egidio L. Terra
ICADL
2004
Springer
110views Education» more  ICADL 2004»
15 years 11 months ago
Hot-Spot Passage Retrieval in Question Answering
Question Answering has been the recent focus of information retrieval research; many systems just incorporate a search engine as a black box and most effort has been devoted to the...
Jian Huang, Xuanjing Huang, Lide Wu
SIGDIAL
2010
15 years 3 months ago
Towards an Empirically Motivated Typology of Follow-Up Questions: The Role of Dialogue Context
A central problem in Interactive Question Answering (IQA) is how to answer Follow-Up Questions (FU Qs), possibly by taking advantage of information from the dialogue context. We a...
Manuel Kirschner, Raffaella Bernardi