2492 search results - page 68 / 499 » Ontology-based Database Access |
VLDB
1998
ACM
14 years 2 months ago
1998
ACM
From beginning of 1994 to the end of 1996, the IRO-DB ESPRIT project has developed tools for accessing relational and object-oriented databases in an integrated way. The system is...
DEXA
2004
Springer
14 years 3 months ago
2004
Springer
Efficient storage and retrieval of trajectory indexes has become an essential requirement for moving objects databases. The existing 3DR-tree is known to be an effective trajectory...
ICEIS
2003
IEEE
14 years 3 months ago
2003
IEEE
: Horizontal fragments of a class in an object-oriented database system contain subsets of the class extent or instance objects. These fragments are created with a set of system in...
VLDB
1994
ACM
14 years 2 months ago
1994
ACM
With recent advances in storage and network technology it is now possible to provide movie on demand (MOD) service, eliminating the inflexibility inherent in todays broadcast cabl...
TIME
2003
IEEE
14 years 3 months ago
2003
IEEE
In bitemporal databases, current facts and transaction states are modelled using a special value to represent the current time (such as a minimum or maximum timestamp or NULL). Pr...