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BNCOD
1998
84views Database» more  BNCOD 1998»
13 years 5 months ago
Considering Integrity Constraints During Federated Database Design
Correct transformations and integrations of schemata within the process of federated database design have to encompass existing local integrity constraints. Most of the proposed me...
Stefan Conrad, Ingo Schmitt, Can Türker
CLIMA
2004
13 years 5 months ago
A New Framework for Knowledge Revision of Abductive Agents Through Their Interaction
The aim of this work is the design of a framework for the revision of knowledge in abductive reasoning agents, based on interaction. We address issues such as: how to exploit knowl...
Andrea Bracciali, Paolo Torroni
BNCOD
2007
104views Database» more  BNCOD 2007»
13 years 5 months ago
Integrity Checking and Maintenance with Active Rules in XML Databases
While specification languages for integrity constraints for XML data have been considered in the literature, actual technologies and methodologies for checking and maintaining in...
Henning Christiansen, Maria Rekouts
AMW
2010
13 years 5 months ago
Logic Programs for Repairing Inconsistent Dimensions in Data Warehouses
A Data Warehouse (DW) is a data repository that integrates data from multiple sources and organizes the data according to a set of data structures called dimensions. Each dimension...
Loreto Bravo, Mónica Caniupán Marile...
AMW
2010
13 years 5 months ago
On Incomplete XML Documents with Integrity Constraints
We consider incomplete specifications of XML documents in the presence of schema information and integrity constraints. We show that integrity constraints such as keys and foreign ...
Pablo Barceló, Leonid Libkin, Juan L. Reutt...
APCCM
2008
13 years 5 months ago
Constraint Acquisition - You Can Chase but You Cannot Find
We identify established tableaux techniques as an invaluable tool for semantic knowledge acquisition in the design process of relational databases. Sample databases allow users an...
Sven Hartmann, Sebastian Link, Thu Trinh
CAISE
2006
Springer
13 years 6 months ago
Incremental Evaluation of OCL Constraints
: Integrity checking is aimed at determining whether an operation execution violates a given integrity constraint. To perform this computation efficiently, several incremental meth...
Jordi Cabot, Ernest Teniente
VLDB
1991
ACM
114views Database» more  VLDB 1991»
13 years 7 months ago
Integrity Constraints Checking In Deductive Databases
We propose a new method for integrity checking in deductive databases.The methodaugmentsadatabasewith asetof transition and internal eventsrules,which explicitly definetheinsertio...
Antoni Olivé
ICDE
1991
IEEE
175views Database» more  ICDE 1991»
13 years 7 months ago
Constraint-Based Reasoning in Deductive Databases
— Constraints play an important role in the efficient query evaluation in deductive databases. In this paper, constraint-based query evaluation in deductive databases is investi...
Jiawei Han
PEPM
1995
ACM
13 years 7 months ago
Towards Creating Specialised Integrity Checks through Partial Evaluation of Meta-Interpreters
In [23] we presented a partial evaluation scheme for a “real life” subset of Prolog, containing first-order built-in’s, simple side-effects and the operational predicate i...
Michael Leuschel, Danny De Schreye