1497 search results - page 94 / 300 » Constraint Databases: A Survey |
CAISE
2006
Springer
15 years 1 months ago
2006
Springer
Databases are continuously evolving environments, where design constructs are added, removed or updated quite often. Research has extensively dealt with the problem of database evo...
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SIGMOD
1995
ACM
15 years 1 months ago
1995
ACM
Many papers have examined how to e ciently export a materialized view but to our knowledge none have studied how to e ciently import one. To import a view, i.e., to install a stre...
INFOSCALE
2007
ACM
14 years 11 months ago
2007
ACM
A flexible mandatory access control policy (MAC) for XML databases is presented in this paper. The label type and label access policy can be defined according to the requirements ...
ER
2004
Springer
15 years 3 months ago
2004
Springer
This paper uses a knowledge-based approach to querying heterogeneous spatial databases based on an ontology and conceptual and attribute similarities. The ontology, which may be in...
TACAS
1999
Springer
15 years 2 months ago
1999
Springer
We present a theorem-prover based analysis tool for object-oriented database systems with integrity constraints. Object-oriented database specifications are mapped to higher-order...