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» Dependency relation matching for answer selection
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EPIA
2005
Springer
13 years 10 months ago
Improving Passage Retrieval in Question Answering Using NLP
Abstract. This paper describes an approach for the integration of linguistic information in passage retrieval in an open-source question answering system for Dutch. Annotation prod...
Jörg Tiedemann
VLDB
2005
ACM
100views Database» more  VLDB 2005»
13 years 10 months ago
Query Caching and View Selection for XML Databases
In this paper, we propose a method for maintaining a semantic cache of materialized XPath views. The cached views include queries that have been previously asked, and additional s...
Bhushan Mandhani, Dan Suciu
PVLDB
2010
120views more  PVLDB 2010»
13 years 3 months ago
Sampling the Repairs of Functional Dependency Violations under Hard Constraints
Violations of functional dependencies (FDs) are common in practice, often arising in the context of data integration or Web data extraction. Resolving these violations is known to...
George Beskales, Ihab F. Ilyas, Lukasz Golab
SIGMOD
2001
ACM
136views Database» more  SIGMOD 2001»
14 years 5 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
ICDE
2008
IEEE
147views Database» more  ICDE 2008»
14 years 6 months ago
Fast Indexes and Algorithms for Set Similarity Selection Queries
Data collections often have inconsistencies that arise due to a variety of reasons, and it is desirable to be able to identify and resolve them efficiently. Set similarity queries ...
Marios Hadjieleftheriou, Amit Chandel, Nick Koudas...