316 search results - page 1 / 64 » Providing Time-Related Constraints for Conventional Database... |
VLDB
1987
ACM
13 years 7 months ago
1987
ACM
A model for a historical database is described which is based upon time-stamped tuples as the unit of storage. The model includes both physical and logical time-stamps. The techni...
CAISE
2003
Springer
13 years 8 months ago
2003
Springer
Multi-channel information systems involve data redundancy, which, in turn, requires the implementation of synchronization mechanisms among overlapping databases. This need for peri...
JSW
2008
13 years 4 months ago
2008
In a mobile computing system, users carrying portable devices can access database services from any location without requiring a fixed position in the networking environment. Some ...
SIGMOD
2010
ACM
13 years 4 months ago
2010
ACM
In many business and consumer applications, queries have cardinality constraints. However, current database systems provide minimal support for cardinality assurance. Consequently...
VLDB
1999
ACM
13 years 8 months ago
1999
ACM
An important issue for federated systems of diverse data sources is optimizing cross-source queries, without building knowledge of individual sources into the optimizer. This pape...