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» Model Based Deduction for Database Schema Reasoning
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BTW
2009
Springer
138views Database» more  BTW 2009»
14 years 3 months ago
GEM: A Generic Visualization and Editing Facility for Heterogeneous Metadata
: Many model management tasks, e.g., schema matching or merging, require the manual handling of metadata. Given the diversity of metadata, its many different representations and mo...
Jürgen Göres, Thomas Jörg, Boris St...
CORR
2007
Springer
77views Education» more  CORR 2007»
13 years 9 months ago
Query Evaluation and Optimization in the Semantic Web
We address the problem of answering Web ontology queries efficiently. An ontology is formalized as a Deductive Ontology Base (DOB), a deductive database that comprises the ontology...
Edna Ruckhaus, Eduardo Ruiz, Maria-Esther Vidal
ER
2004
Springer
167views Database» more  ER 2004»
14 years 2 months ago
A CASE Tool for Geographic Database Design Supporting Analysis Patterns
: This paper describes the development of an open source CASE tool, the ArgoCASEGEO, and its modular architecture. The ArgoCASEGEO allows the geographic database modelling based on...
Jugurta Lisboa Filho, Victor de Freitas Sodr&eacut...
SSDBM
1998
IEEE
115views Database» more  SSDBM 1998»
14 years 1 months ago
Tools for Data Warehouse Quality
In this demonstration, we show three interrelated tools intended to improve different aspects of the quality of data warehouse solutions. Firstly, the deductive object manager Con...
Michael Gebhardt, Matthias Jarke, Manfred A. Jeusf...
ICEIS
2005
IEEE
14 years 2 months ago
Conditions for Interoperability
Abstract: Interoperability for information systems remains a challenge both at the semantic and organisational levels. The original three-level architecture for local databases nee...
B. Nick Rossiter, Michael A. Heather