1497 search results - page 80 / 300 » Constraint Databases: A Survey |
VLDB
1997
ACM
15 years 1 months ago
1997
ACM
The enhanced pay-per-view (EPPV) model for providing continuous-media-on-demand(CMOD) services associates with each continuous media clip a display frequency that dependson the cl...
PODS
2001
ACM
15 years 10 months ago
2001
ACM
The paper investigates XML document speci cations with DTDs and integrity constraints, such as keysand foreign keys. We study the consistency problem of checking whether a given s...
DEXA
2000
Springer
15 years 2 months ago
2000
Springer
The aim of this paper is to show a method that is able to detect a particular class of semantic inconsistencies in a rule-based system (RBS). A semantic inconsistency is defined by...
DEXAW
2005
IEEE
14 years 11 months ago
2005
IEEE
In this paper, we study semistructured data and indexes preserving inclusion constraints. A semistructured datum is modelled by multi-rooted edge-labeled directed graphs. We consi...
CAISE
2003
Springer
15 years 3 months ago
2003
Springer
Abstract. In a Connected Society, the importance of database privacy and security increases considerably. Security must be considered as a fundamental requirement in Information Sy...