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» Reusing relational sources for semantic information access
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BTW
2001
Springer
129views Database» more  BTW 2001»
15 years 4 months ago
Schema Evolution in Federated Information Systems
Mediators – used in federated information systems – provide a homogeneous read-only access to a set of autonomous information sources. To achieve semantic integration of the h...
Susanne Busse, Claudia Pons
GIS
2008
ACM
16 years 28 days ago
Geospatial information integration based on the conceptualization of geographic domain
Geospatial information integration is not a trivial task. An integrated view must be able to describe various heterogeneous data sources and its interrelation to obtain shared con...
Miguel Torres, Serguei Levachkine, Rolando Quinter...
VLDB
1999
ACM
89views Database» more  VLDB 1999»
15 years 4 months ago
Physical Data Independence, Constraints, and Optimization with Universal Plans
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...
Alin Deutsch, Lucian Popa, Val Tannen
WIIW
2001
122views more  WIIW 2001»
15 years 1 months ago
A Framework for Molecular Biology Data Integration
: Molecular biology data are placed in different databases, repositories and flat files, usually distributed over the web. Distinct data models with schemas that are often changing...
Sérgio Lifschitz, Luiz Fernando Bessa Seibe...
DEXAW
2010
IEEE
172views Database» more  DEXAW 2010»
15 years 29 days ago
Distributed Semantic Video Tagging for Peer-to-Peer Authoring System
Abstract--In the context of a project aimed at the development of a cooperative and distributed Authoring System to facilitate the production, sharing, and integration of new and e...
Giuseppe Rizzo, Biagio Meirone, Pierluigi Di Nunzi...