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» A Query Language for Data Access in Ubiquitous Environments
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DEXAW
2007
IEEE
141views Database» more  DEXAW 2007»
15 years 3 months ago
SWARD: Semantic Web Abridged Relational Databases
The semantic web represents meta-data as a relation of triples using the RDF data model. We have developed a virtual repository system that enables to process queries to RDF views...
Johan Petrini, Tore Risch
IFIP
1992
Springer
15 years 1 months ago
Intelligent Access to Data and Knowledge Bases via User's Topics of Interest
Retrieving relevant information in Data and Knowledge Bases containing a large number of di erent types of information is a non trivial problem. That is the reason why, in areas l...
Sylvie Cazalens, Robert Demolombe
CCS
2005
ACM
15 years 3 months ago
A framework for concrete reputation-systems with applications to history-based access control
In a reputation-based trust-management system, agents maintain information about the past behaviour of other agents. This information is used to guide future trust-based decisions...
Karl Krukow, Mogens Nielsen, Vladimiro Sassone
SACMAT
2004
ACM
15 years 2 months ago
Implementing access control to people location information
Ubiquitous computing uses a variety of information for which access needs to be controlled. For instance, a person’s current location is a sensitive piece of information, which ...
Urs Hengartner, Peter Steenkiste
APWEB
2005
Springer
15 years 3 months ago
Multiresolution Query Optimization in an Online Environment
Multiresolution (or multi-scale) techniques make it possible for Web-based GIS applications to access large dataset. The performance of such systems relies on data transmission ove...
Kai Xu 0003, Xiaofang Zhou