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CIKM
2011
Springer
13 years 9 months ago
Improved answer ranking in social question-answering portals
Community QA portals provide an important resource for non-factoid question-answering. The inherent noisiness of user-generated data makes the identification of high-quality cont...
Felix Hieber, Stefan Riezler
NAACL
2003
14 years 11 months ago
Evaluating the Evaluation: A Case Study Using the TREC 2002 Question Answering Track
Evaluating competing technologies on a common problem set is a powerful way to improve the state of the art and hasten technology transfer. Yet poorly designed evaluations can was...
Ellen M. Voorhees
NDQA
2003
131views Education» more  NDQA 2003»
14 years 11 months ago
Panel on Web-Based Question Answering
Early TREC-style Question Answering Systems were characterized by the following features: (a) the answer of the question was known to be included in a given local corpus, (b) the ...
Dragomir R. Radev
SIGIR
2006
ACM
15 years 3 months ago
Answering complex questions with random walk models
We present a novel framework for answering complex questions that relies on question decomposition. Complex questions are decomposed by a procedure that operates on a Markov chain...
Sanda M. Harabagiu, V. Finley Lacatusu, Andrew Hic...
CLEF
2006
Springer
15 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...