1004 search results - page 61 / 201 » Safe Constraint Queries |
CASCON
2004
13 years 11 months ago
2004
For several reasons a database may not satisfy certain integrity constraints (ICs), for example, when it is the result of integrating several independent data sources. However, mo...
EDBT
2009
ACM
14 years 2 months ago
2009
ACM
In this study, we present experiences of parallelizing XPath queries using the Xalan XPath engine on shared-address space multi-core systems. For our evaluation, we consider a sce...
DBPL
1999
Springer
14 years 2 months ago
1999
Springer
Linear constraint databases and query languages are appropriate for spatial database applications. Not only the data model is natural to represent a large portion of spatial data s...
ICDE
2010
IEEE
14 years 5 months ago
2010
IEEE
Abstract— Checking if an SQL query has been written correctly is not an easy task. Formal verification is not applicable, since it is based on comparing a specification with an...
CIKM
2006
Springer
14 years 1 months ago
2006
Springer
In this paper we introduce the problem of Constrained Subspace Skyline Queries. This class of queries can be thought of as a generalization of subspace skyline queries using range...