Sciweavers

3860 search results - page 743 / 772
» Semantic Sensor Web
Sort
View
DEBU
2000
147views more  DEBU 2000»
13 years 7 months ago
XJoin: A Reactively-Scheduled Pipelined Join Operator
Wide-area distribution raises significant performance problems for traditional query processing techniques as data access becomes less predictable due to link congestion, load imb...
Tolga Urhan, Michael J. Franklin
SOSYM
2002
188views more  SOSYM 2002»
13 years 7 months ago
Extending the Unified Modeling Language for ontology development
Abstract. There is rapidly growing momentum for web enabled agents that reason about and dynamically integrate the appropriate knowledge and services at run-time. The dynamic integ...
Kenneth Baclawski, Mieczyslaw M. Kokar, Paul A. Ko...
ASWC
2009
Springer
13 years 5 months ago
Repairing the Missing is-a Structure of Ontologies
Abstract. Developing ontologies is not an easy task and often the resulting ontologies are not consistent or complete. Such ontologies, although often useful, also lead to problems...
Patrick Lambrix, Qiang Liu 0002, He Tan
ICDE
2009
IEEE
183views Database» more  ICDE 2009»
14 years 9 months ago
Efficient Indices Using Graph Partitioning in RDF Triple Stores
With the advance of the Semantic Web, varying RDF data were increasingly generated, published, queried, and reused via the Web. For example, the DBpedia, a community effort to extr...
Ying Yan, Chen Wang, Aoying Zhou, Weining Qian, Li...
WWW
2004
ACM
14 years 8 months ago
Personalization in distributed e-learning environments
Personalized support for learners becomes even more important, when e-Learning takes place in open and dynamic learning and information networks. This paper shows how to realize p...
Peter Dolog, Nicola Henze, Wolfgang Nejdl, Michael...