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SIGMOD
2001
ACM
136views Database» more  SIGMOD 2001»
14 years 7 months ago
Selectivity Estimation using Probabilistic Models
Estimating the result size of complex queries that involve selection on multiple attributes and the join of several relations is a difficult but fundamental task in database query...
Lise Getoor, Benjamin Taskar, Daphne Koller
LREC
2010
173views Education» more  LREC 2010»
13 years 9 months ago
A Corpus for Studying Full Answer Justification
Question answering (QA) systems aim at retrieving precise information from a large collection of documents. To be considered as reliable by users, a QA system must provide element...
Arnaud Grappy, Brigitte Grau, Olivier Ferret, Cyri...
CLEF
2008
Springer
13 years 9 months ago
Overview of the Answer Validation Exercise 2008
The Answer Validation Exercise at the Cross Language Evaluation Forum (CLEF) is aimed at developing systems able to decide whether the answer of a Question Answering (QA) system i...
Álvaro Rodrigo, Anselmo Peñas, Felis...
AIIA
2009
Springer
14 years 2 months ago
Analyzing Interactive QA Dialogues Using Logistic Regression Models
With traditional Question Answering (QA) systems having reached nearly satisfactory performance, an emerging challenge is the development of successful Interactive Question Answeri...
Manuel Kirschner, Raffaella Bernardi, Marco Baroni...
AAAI
2010
13 years 9 months ago
How Incomplete Is Your Semantic Web Reasoner?
Conjunctive query answering is a key reasoning service for many ontology-based applications. In order to improve scalability, many Semantic Web query answering systems give up com...
Giorgos Stoilos, Bernardo Cuenca Grau, Ian Horrock...