710 search results - page 101 / 142 » Relational Expressive Power of Constraint Query Languages |
CIDR
2011
12 years 11 months ago
2011
Structured query language (SQL) is a classical way to access relational databases. Although SQL is powerful to query relational databases, it is rather hard for inexperienced user...
ICDE
2004
IEEE
14 years 9 months ago
2004
IEEE
Twig queries represent the building blocks of declarative query languages over XML data. A twig query describes a complex traversal of the document graph and generates a set of el...
DBSEC
2009
13 years 8 months ago
2009
Reflective Database Access Control (RDBAC) is a model in which a database privilege is expressed as a database query itself, rather than as a static privilege in an access control ...
ICDE
2012
IEEE
11 years 10 months ago
2012
IEEE
Abstract—This paper revisits the classical problem of multiquery optimization in the context of RDF/SPARQL. We show that the techniques developed for relational and semi-structur...
LAWEB
2003
IEEE
14 years 1 months ago
2003
IEEE
In this article we present a method for the design and implementation of Web Applications for the Semantic Web. Based on the "Object Oriented Hypermedia Design Method" a...