2728 search results - page 485 / 546 » The EGTV Query Language |
PODS
1994
ACM
14 years 27 days ago
1994
ACM
Traditionally, computational complexity has considered only static problems. Classical Complexity Classes such as NC, P, and NP are de ned in terms of the complexity of checking {...
SIGMOD
1995
ACM
14 years 10 days ago
1995
ACM
We study the problem of e cient maintenance of materialized views that may contain duplicates. This problem is particularly important when queries against such views involve aggre...
DBA
2004
2004
A Tool for Transforming Conceptual Schemas of Spatio-Temporal Databases with Multiple Representation
13 years 10 months ago
Nowadays, classical conceptual models (such as ER or UML) are used for designing database applications. These classical conceptual models usually come with associated CASE tools a...
DLOG
2003
13 years 10 months ago
2003
The Wine Agent is a demonstration system that uses an underlying domain ontology to provide suitable wines for a given meal. In doing so it serves as a testbed, not only for the l...
CASCON
1996
13 years 10 months ago
1996
The draft ofthe SQL/PSM standard de nes a procedural extension to the existing SQL2 language. An essential part of this extension is the support of procedural constructs such as B...