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» A Query Language for Logic Architectures
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GVD
2004
94views Database» more  GVD 2004»
13 years 10 months ago
MIWeb: Mediator-based Integration of Web Sources
MIWeb realizes a mediator-based integration of heterogeneous metadata sources over the Web. Mediators are well known from database integration. They improve the quality of search ...
Susanne Busse, Thomas Kabisch
ICDE
2009
IEEE
195views Database» more  ICDE 2009»
14 years 4 months ago
The PRISM Workwench: Database Schema Evolution without Tears
— Information Systems are subject to a perpetual evolution, which is particularly pressing in Web Information Systems, due to their distributed and often collaborative nature. Su...
Carlo Curino, Hyun J. Moon, MyungWon Ham, Carlo Za...
DLOG
2008
13 years 11 months ago
Explanation in DL-Lite
The paper addresses the problem of explaining some reasoning tasks associated with the DL-Lite Description Logic. Because of the simplicity of the language, standard concept level ...
Alexander Borgida, Diego Calvanese, Mariano Rodrig...
TIME
2009
IEEE
14 years 3 months ago
Event-Oriented Data Models and Temporal Queries in Transaction-Time Databases
—Past research on temporal databases has primarily focused on state-based representations and on relational query language extensions for such representations. This led to many d...
Carlo Zaniolo
PODS
1998
ACM
116views Database» more  PODS 1998»
14 years 1 months ago
Complexity of Answering Queries Using Materialized Views
We study the complexity of the problem of answering queries using materialized views. This problem has attracted a lot of attention recently because of its relevance in data integ...
Serge Abiteboul, Oliver M. Duschka