394 search results - page 57 / 79 » Conditional Preferences: A New Semantics for Database Querie... |
JSA
2006
13 years 7 months ago
2006
In this paper, we propose a schema version model which allows to restructure complex object hierarchy in object-oriented databases. This model extends a schema version model, call...
GPC
2007
Springer
14 years 1 months ago
2007
Springer
Sharing huge databases in distributed systems is inherently difficult. As the amount of stored data increases, data localization techniques become no longer sufficient. A more ef...
OTM
2009
Springer
14 years 2 months ago
2009
Springer
Collaboration in modeling is essential to success, but ORM diagrams intimidate many business people, and most would never install an ORM modeling tool on their computers. The Const...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
Dynamic plan migration is concerned with the on-the-fly transition from one continuous query plan to a semantically equivalent yet more efficient plan. Migration is important for ...
TKDE
2002
13 years 7 months ago
2002
As technological advances are made in software and hardware, the feasibility of accessing information "any time, anywhere" is becoming a reality. Furthermore, the diversi...