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EDBT
2012
ACM
228views Database» more  EDBT 2012»
11 years 11 months ago
Towards scalable data integration under constraints
In this paper we consider the problem of answering queries using views, with or without ontological constraints, which is important for data integration, query optimization, and d...
George Konstantinidis, José Luis Ambite
DEXAW
2006
IEEE
104views Database» more  DEXAW 2006»
14 years 21 days ago
On Using Simplification and Correction Tables for Integrity Maintenance in Integrated Databases
When a database is defined as views over autonomous sources, inconsistencies with respect to global integrity constraints are to be expected. This paper investigates the possibili...
Henning Christiansen, Davide Martinenghi
AMAST
2008
Springer
13 years 11 months ago
Implementing a Categorical Information System
The authors have proposed using category-theoretic sketches to enhance database design and integration methodologies. The algebraic context is called the Sketch Data Model (SkDM) a...
Michael Johnson, Robert D. Rosebrugh
SIGMOD
1997
ACM
85views Database» more  SIGMOD 1997»
14 years 1 months ago
Supporting Multiple View Maintenance Policies
Materialized views and view maintenance are becoming increasingly important in practice. In order to satisfy different data currency and performance requirements, a number of view...
Latha S. Colby, Akira Kawaguchi, Daniel F. Lieuwen...
SIGMOD
1999
ACM
108views Database» more  SIGMOD 1999»
14 years 1 months ago
DynaMat: A Dynamic View Management System for Data Warehouses
Pre-computation and materialization of views with aggregate functions is a common technique in Data Warehouses. Due to the complex structure of the warehouse and the different pro...
Yannis Kotidis, Nick Roussopoulos