560 search results - page 76 / 112 » A Grid Environment for Data Integration of Scientific Databa... |
ER
1994
Springer
13 years 11 months ago
1994
Springer
A logical database schema, e.g. a relational one, is an implementation of a speci cation, e.g. an entity-relationship diagram. Upcoming new data models and the necessity of seamle...
INTERNET
2007
13 years 7 months ago
2007
evel of abstraction, we can represent a workflow as a directed graph with operators (or tasks) at the vertices (see Figure 1). Each operator takes inputs from data sources or from ...
BIRTHDAY
2003
Springer
14 years 26 days ago
2003
Springer
Abstract: In the automotive and aerospace industry, millions of technical documents are generated during the development of complex engineering products. Particularly, the universa...
VLDB
1995
ACM
13 years 11 months ago
1995
ACM
We describe an eficient server-based algorithm for garbage collecting object-oriented databases in a client/server environment. The algorithm is incremental and runs concurrently ...
ICDE
2005
IEEE
14 years 1 months ago
2005
IEEE
Current federated systems deploy cost-based query optimization mechanisms; i.e., the optimizer selects a global query plan with the lowest cost to execute. Thus, cost functions in...