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OTM
2005
Springer
15 years 3 months ago
Spatio-temporal Schema Integration with Validation: A Practical Approach
We propose to enhance a schema integration process with a validation phase employing logic-based data models. In our methodology, we validate the source schemas against the data mo...
Anastasiya Sotnykova, Nadine Cullot, Christelle Va...
ADBIS
2006
Springer
81views Database» more  ADBIS 2006»
15 years 3 months ago
SDQNET: Semantic Distributed Querying in Loosely Coupled Data Sources
Web communities involve networks of loosely coupled data sources. Members in those communities should be able to pose queries and gather results from all data sources in the networ...
Eirini Spyropoulou, Theodore Dalamagas
GLOBECOM
2009
IEEE
15 years 4 months ago
Design of Signal Constellation Rearrangement (CoRe) for Multiple Relay Links
Abstract – This paper considers a design of signal constellations for trans-modulation (constellation rearrangement: CoRe) in a relay system with the multiple links in which the ...
Jin Woo Kim, Hee S. Lee, Jae Yung Ahn, Chung Gu Ka...
ENTCS
2006
123views more  ENTCS 2006»
14 years 9 months ago
Wrapping of Web Sources with restricted Query Interfaces by Query Tunneling
Information sources in the World Wide Web usually offer two different schemes to their users, an Interface Schema which the user can query and a Result Schema which the user can b...
Thomas Kabisch, Mattis Neiling
IS
2008
14 years 9 months ago
A framework for semantic grouping in P2P databases
Abstract. Sharing of structured data in decentralized environments is a challenging problem, especially in the absence of a global schema. Social network structures map network lin...
Verena Kantere, Dimitrios Tsoumakos, Timos K. Sell...