5130 search results - page 65 / 1026 » Constraint Query Languages |
CORR
2010
Springer
13 years 8 months ago
2010
Springer
Matching dependencies (MDs) are used to declaratively specify the identification (or matching) of certain attribute values in pairs of database tuples when some similarity conditi...
SIGMOD
2003
ACM
14 years 11 months ago
2003
ACM
Modern database systems provide not only powerful data models but also complex query languages supporting powerful features such as the ability to create new database objects and ...
JFPLC
1998
14 years 10 days ago
1998
Abstract. This paper presents a feature constraint system that, compared with the well-known systems OSF 1] and CFT 5], incorporates several interesting characteristics. The new sy...
ER
2007
Springer
14 years 5 months ago
2007
Springer
This paper intends to classify, review, and compare the existing languages for the specification of spatial integrity constraints at the conceptual level. We classify these languag...
DATESO
2008
14 years 13 days ago
2008
Presently, there is no specialized language for complex integrity constraints description in XML documents. In this paper we present a language that combines first-order logic toge...