2145 search results - page 418 / 429 » Lax Logical Relations |
SIGMOD
1999
ACM
13 years 12 months ago
1999
ACM
The design of webbases, database systems for supporting Webbased applications, is currently an active area of research. In this paper, we propose a 3-layer architecture for design...
KBSE
1999
IEEE
13 years 12 months ago
1999
IEEE
The language AML is used to specify the semantics of architecture description languages, ADLs. It is a very primitive language, having declarations for only three constructs: elem...
SRDS
1999
IEEE
13 years 12 months ago
1999
IEEE
Hybrid systems like computer-controlled chemical plants are typical safety critical distributed systems. In present practice, the safety of hybrid systems is guaranteed by hazard ...
FOCS
1998
IEEE
13 years 12 months ago
1998
IEEE
This paper deals with the evaluation of acyclic Boolean conjunctive queries in relational databases. By well-known results of Yannakakis [1981], this problem is solvable in polynom...
FODO
1998
Springer
13 years 12 months ago
1998
Springer
In object-oriented database systems (OODB) with logical OIDs, an OID index (OIDX) is needed to map from OID to the physical location of the object. In a transaction time temporal ...