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» Complement union for data integration
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EDBT
2002
ACM
136views Database» more  EDBT 2002»
14 years 6 months ago
Rewriting Unions of General Conjunctive Queries Using Views
The problem of finding contained rewritings of queries using views is of great importance in mediated data integration systems. In this paper, we first present a general approach f...
Junhu Wang, Michael J. Maher, Rodney W. Topor
XSYM
2007
Springer
168views Database» more  XSYM 2007»
14 years 10 days ago
Dynamic Fusion of Web Data
: Mashups exemplify a workflow-like approach to dynamically integrate data and services from multiple web sources. Such integration workflows can build on existing services for web...
Erhard Rahm, Andreas Thor, David Aumueller
SIGMOD
1999
ACM
127views Database» more  SIGMOD 1999»
13 years 10 months ago
An Adaptive Query Execution System for Data Integration
Query processing in data integration occurs over network-bound, autonomous data sources. This requires extensions to traditional optimization and execution techniques for three re...
Zachary G. Ives, Daniela Florescu, Marc Friedman, ...
DATASCIENCE
2002
71views more  DATASCIENCE 2002»
13 years 6 months ago
An integrated web resource for crystallography
A recurring theme during the CODATA 2000 conference (Lake Maggiore, Italy, 15 - 19 October 2000) was the increasing convergence in data-rich branches of science between the storag...
Brian McMahon
ESWS
2008
Springer
13 years 8 months ago
A Semantic Web Middleware for Virtual Data Integration on the Web
In this contribution a system is presented, which provides access to distributed data sources using Semantic Web technology. While it was primarily designed for data sharing and sc...
Andreas Langegger, Wolfram Wöß, Martin ...