805 search results - page 52 / 161 » On the Role of Integrity Constraints in Data Integration |
CCS
2007
ACM
15 years 3 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
FLAIRS
2001
14 years 11 months ago
2001
We present our consistency support tool BIS, an extension to the electronic product data management system (EPDMS) used at DaimlerChrysler AG to configure the Mercedes lines of pa...
ER
2007
Springer
15 years 3 months ago
2007
Springer
The tutorial first addresses requirements and semantic problems to integrate digital information into large scale, meaningful networks of knowledge that support not only access to...
102
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SEDE
2007
2007
A framework for constraint checking involving aggregates for multiple XML databases using schematron
14 years 11 months ago
Many internet and enterprise applications now not only use XML (eXtensible Markup Language) as a medium for communication but also for storing their data either temporarily for an...
105
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JAPLL
2010
14 years 8 months ago
2010
Answering queries over an incomplete database w.r.t. a set of constraints is an important computational task with applications in fields as diverse as information integration and ...