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2004
15 years 8 months ago
Ontology-derived Activity Components for Composing Travel Web Services
: In this paper we present our ongoing work in creating a semantic Web service composition and execution framework. The efforts described are undertaken in the context of the SATIN...
Matthias Flügge, Diana Tourtchaninova
ICDE
2007
IEEE
173views Database» more  ICDE 2007»
16 years 8 months ago
Top-k Query Processing in Uncertain Databases
Top-k processing in uncertain databases is semantically and computationally different from traditional top-k processing. The interplay between score and uncertainty makes traditio...
Mohamed A. Soliman, Ihab F. Ilyas, Kevin Chen-Chua...
OTM
2007
Springer
16 years 23 days ago
Leveraging the Expressivity of Grounded Conjunctive Query Languages
We present a pragmatic extension of a Semantic Web query language (including so-called grounded conjunctive queries) with a termination safe functional expression language. This ad...
Alissa Kaplunova, Ralf Möller, Michael Wessel
ICMCS
2006
IEEE
125views Multimedia» more  ICMCS 2006»
16 years 20 days ago
Visual Event Detection using Multi-Dimensional Concept Dynamics
A novel framework is introduced for visual event detection. Visual events are viewed as stochastic temporal processes in the semantic concept space. In this concept-centered appro...
Shahram Ebadollahi, Lexing Xie, Shih-Fu Chang, Joh...
SEMWEB
2005
Springer
16 years 3 days ago
Containment and Minimization of RDF/S Query Patterns
Semantic query optimization (SQO) has been proved to be quite useful in various applications (e.g., data integration, graphical query generators, caching, etc.) and has been extens...
Giorgos Serfiotis, Ioanna Koffina, Vassilis Christ...