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» Improving Semantic Query Answering
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RIAO
2004
13 years 9 months ago
Improving the Precision of a Closed-Domain Question-Answering System with Semantic Information
This paper presents our experiments in applying semantic information to improve the precision of the information retrieval module in a closed-domain question-answering system. Tha...
Hai Doan-Nguyen, Leila Kosseim
IRI
2008
IEEE
14 years 2 months ago
Biological question answering with syntactic and semantic feature matching and an improved mean reciprocal ranking measurement
Specific information on biomolecular events such as protein-protein and gene-protein interactions is essential for molecular biology researchers. However, the results derived by c...
Ryan T. K. Lin, Justin Liang-Te Chiu, Hong-Jie Dai...
LPNMR
2009
Springer
14 years 2 months ago
Complexity of the Stable Model Semantics for Queries on Incomplete Databases
Abstract. We study the complexity of consistency checking and query answering on incomplete databases for languages ranging from non-recursive Datalog to disjunctive Datalog with n...
Jos de Bruijn, Stijn Heymans
SSDBM
2008
IEEE
90views Database» more  SSDBM 2008»
14 years 2 months ago
Ontology Database: A New Method for Semantic Modeling and an Application to Brainwave Data
We propose an automatic method for modeling a relational database that uses SQL triggers and foreign-keys to efficiently answer positive semantic queries about ground instances for...
Paea LePendu, Dejing Dou, Gwen A. Frishkoff, Jiawe...
SIGIR
2005
ACM
14 years 1 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...