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DASFAA
2004
IEEE
110views Database» more  DASFAA 2004»
13 years 8 months ago
Optimising Mediator Queries to Distributed Engineering Systems
Data and computations of a CAD system have been wrapped by a mediator system using CORBA's IIOP Protocol. This allows ad hoc declarative mediator queries to be translated into...
Mattias Nyström, Tore Risch
ADL
2000
Springer
284views Digital Library» more  ADL 2000»
13 years 9 months ago
A Boolean Query Processing with a Result Cache in Mediator Systems
A mediator system is a kind of a meta-search engine that provides a seamlessly integrated search service for diverse search engines (collections). Since collections of a mediator ...
Jae-Heon Cheong, Sang-goo Lee
EDBTW
2004
Springer
13 years 10 months ago
Index-Based Keyword Search in Mediator Systems
Many users and applications require the integration of semi-structured data from autonomous, heterogeneous Web sources. Over the last years mediator systems have emerged that use d...
Ingolf Geist
DPD
2002
114views more  DPD 2002»
13 years 4 months ago
Query Decomposition for a Distributed Object-Oriented Mediator System
The mediator-wrapper approach to integrate data from heterogeneous data sources has usually been centralized in the sense that a single mediator system is placed between a number o...
Vanja Josifovski, Tore Risch
SMC
2010
IEEE
124views Control Systems» more  SMC 2010»
13 years 3 months ago
SoftFacts: A top-k retrieval engine for ontology mediated access to relational databases
—We outline SoftFacts, an ontology mediated top-k information retrieval system over relational databases. An ontology layer is used to define (in terms of a OWL-QL like Semantic...
Umberto Straccia