560 search results - page 76 / 112 » A Grid Environment for Data Integration of Scientific Databa... |
118
Voted
ER
1994
Springer
15 years 7 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...
120
Voted
INTERNET
2007
15 years 3 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 ...
152
Voted
BIRTHDAY
2003
Springer
15 years 8 months 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...
128
click to vote
VLDB
1995
ACM
15 years 7 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 ...
148
Voted
ICDE
2005
IEEE
15 years 9 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...