3836 search results - page 48 / 768 » Semantics of Database Transformations |
MFCS
1997
Springer
13 years 12 months ago
1997
Springer
The aim of this paper is an integration of graph grammars with different kinds of behavioural constraints, in particular with temporal logic constraints. Since the usual algebraic ...
ADBIS
2006
Springer
14 years 1 months ago
2006
Springer
In existing systems, user transactions get blocked during materialized view creation and non-trivial database schema transformations. Blocking user transactions is not an option in...
META
1992
13 years 11 months ago
1992
The replacement transformation operation, already defined in [28], is studied wrt normal programs. We give applicability conditions able to ensure the correctness of the operation ...
IAT
2006
IEEE
14 years 1 months ago
2006
IEEE
Across various domains, the relational model for databases is employed extensively for the purpose of storing, managing and retrieving data. The translation, however, of data mode...
ICPR
2002
IEEE
14 years 8 months ago
2002
IEEE
This paper proposes a novel view of the information generated by relevance feedback. Latent semantic analysis is adapted to this view to extract useful inter-query information. Th...