137 search results - page 14 / 28 » Query optimization for ontology-based information integratio... |
121
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LPNMR
2005
Springer
15 years 4 months ago
2005
Springer
Abstract. The paper presents INFOMIX a successful application of ASP technology to the domain of Data Integration. INFOMIX is a novel system which supports powerful information int...
BNCOD
2004
15 years 14 days ago
2004
Extending relational database functionality to include data mining primitives is one step towards the greater goal of more closely integrated database and mining systems. This pape...
117
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WWW
2011
ACM
14 years 6 months ago
2011
ACM
The problem of answering SPARQL queries over virtual SPARQL views is commonly encountered in a number of settings, including while enforcing security policies to access RDF data, ...
CIKM
2007
Springer
15 years 5 months ago
2007
Springer
Queries issued by casual users or specialists exploring a data set often point us to important subsets of the data, be it clusters, outliers or other features of particular import...
105
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ICDE
2009
IEEE
15 years 5 months ago
2009
IEEE
— A paramount challenge in probabilistic databases is the scalable computation of confidences of tuples in query results. This paper introduces an efficient secondary-storage o...