1418 search results - page 156 / 284 » Schema polynomials and applications |
232
click to vote
COOPIS
1998
IEEE
15 years 10 months ago
1998
IEEE
Cooperative Information Systems (CIS) often consist of applications that access shared resources such as databases. Since centralized systems may have a great impact on the system...
179
click to vote
VLDB
1999
ACM
15 years 10 months ago
1999
ACM
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...
180
click to vote
ER
2004
Springer
15 years 10 months ago
2004
Springer
The semantic web envisions a World Wide Web in which data is described with rich semantics and applications can pose complex queries. Ontologies, a cornerstone of the semantic web,...
165
click to vote
EDBT
2000
ACM
15 years 10 months ago
2000
ACM
OLAP applications use precomputation of aggregate data to improve query response time. While this problem has been well-studied in the recent database literature, to our knowledge ...
161
click to vote
HT
1997
ACM
15 years 10 months ago
1997
ACM
Activity spaces are usually task-specific and only common to a group of people who work together in a certain application domain. It is desirable to enable users to define and mod...