1018 search results - page 101 / 204 » On the minimization of XPath queries |
140
Voted
SCCC
2005
IEEE
15 years 7 months ago
2005
IEEE
Databases may not satisfy integrity constraints (ICs) for several reasons. Nevertheless, in most of the cases an important part of the data is still consistent wrt certain desired...
101
Voted
ICDT
2005
ACM
15 years 7 months ago
2005
ACM
We study the problem of rewriting queries using views in the presence of access patterns, integrity constraints, disjunction, and negation. We provide asymptotically optimal algori...
120
Voted
ICLP
2007
Springer
15 years 5 months ago
2007
Springer
Abstract. In this paper we describe the OnEQL system, a query engine that implements optimization techniques and evaluation strategies to speed up the evaluation time of querying a...
125
Voted
CIDR
2003
15 years 3 months ago
2003
Traditional science searched for new objects and phenomena that led to discoveries. Tomorrow's science will combine together the large pool of information in scientific archi...
105
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CORR
2007
Springer
15 years 1 months ago
2007
Springer
We address the problem of answering Web ontology queries efficiently. An ontology is formalized as a Deductive Ontology Base (DOB), a deductive database that comprises the ontology...