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In order to leverage the full potential of the Semantic Web it is necessary to transparently query distributed RDF data sources in the same way as it has been possible with federated databases for… Continue Reading
In this paper we present FedBench, a comprehensive benchmark suite for testing and analyzing the performance of federated query processing strategies on semantic data. The major challenge lies in the… Continue Reading
The distributed and heterogeneous nature of Linked Open Data requires flexible and federated techniques for query evaluation. In order to evaluate current federation querying approaches a general… Continue Reading
A combination carpet vacuum, cleaning, and dyeing apparatus comprises a powerbase unit which houses vacuum and water pressure systems, electrical circuitry, and mixing devices to supply a remote… Continue Reading
Self-organizing structure and availability of almost unlimited resource capacities make the peer-to-peer architecture very attractive for large-scale sharing of annotated data in Web 2.0 scenarios.… Continue Reading
Linked Open Data provides data on the web in a machine readable way with typed links between related entities. Means of accessing Linked Open Data include crawling, searching, and querying. Search in… Continue Reading
As is known in the human-computer interaction (HCI) domain, interactions involve the user, the technology, and the ways they work together. We expand these notions to human-ontology interaction with… Continue Reading
Collaborative tagging systems like Flickr and del.icio.us provide centralized content annotation and sharing which is simple to use and attracts many people. A combination of tagging with… Continue Reading
Knowledge and information spanning multiple information sources, multiple media, multiple versions and multiple communities challenge the capabilities of existing knowledge and information management… Continue Reading