Sciweavers

396 search results - page 13 / 80
» Semantic Optimization of Preference Queries
Sort
View
IJCSA
2008
108views more  IJCSA 2008»
13 years 7 months ago
Consistency Check Algorithms for Multi-Dimensional Preference Trade-Offs
: Skyline Queries have recently received a lot of attention due to their intuitive query capabilities. Following the concept of Pareto optimality all `best' database objects a...
Christoph Lofi, Wolf-Tilo Balke, Ulrich Güntz...
ICWS
2009
IEEE
13 years 5 months ago
Discovery of Optimized Web Service Configurations Using a Hybrid Semantic and Statistical Approach
We present a Semantic Optimized Service Discovery (SemOSD) approach capable of handling Web service search requests on a fine-grained level of detail where we augment semantic ser...
Maciej Zaremba, Jacek Migdal, Manfred Hauswirth
ICDT
2010
ACM
180views Database» more  ICDT 2010»
14 years 5 months ago
Foundations of SPARQL Query Optimization
We study fundamental aspects related to the efficient processing of the SPARQL query language for RDF, proposed by the W3C to encode machine-readable information in the Semantic W...
Michael Schmidt, Michael Meier, Georg Lausen
SEMCO
2008
IEEE
14 years 2 months ago
Serving the Sky: Discovering and Selecting Semantic Web Services through Dynamic Skyline Queries
Semantic Web service descriptions are typically multiparameter constructs. Discovering semantically relevant services, given a desirable service description, is typically addresse...
Dimitrios Skoutas, Dimitris Sacharidis, Alkis Simi...
AAAI
2011
12 years 7 months ago
Recommendation Sets and Choice Queries: There Is No Exploration/Exploitation Tradeoff!
Utility elicitation is an important component of many applications, such as decision support systems and recommender systems. Such systems query users about their preferences and ...
Paolo Viappiani, Craig Boutilier