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Dynamic Querying of Mass-Storage RDF Data with Rule-Based Entailment Regimes
(Springer, 2009)
RDF Schema (RDFS) as a lightweight ontology language is gaining popularity and, consequently, tools for scalable RDFS inference and querying are needed. SPARQL has become recently aW3C standard for querying RDF data, ...
A rule system for querying persistent RDFS data
(2009)
We present GiaBATA, a system for storing, aggregating, and querying Semantic Web data, based on declarative logic programming technology, namely on the dlvhex system, which allows us to implement a fully SPARQL compliant ...
On the Ostensibly Silent 'W' in OWL 2 RL
(Springer, 2009)
In this paper, we discuss the draft OWL 2 RL proable from the perspective of applying the constituent rules over Web data. In particular, borrowing from previous work, we discuss (i) optimisations based on a separation ...
A Speech Based Approach to Surveillance Video Retrieval
(2009)
This paper describes the anatomy of a pilot surveillance system with a speech-based interface for content-based retrieval of video data. The proposed system relies on an ontology-based information sharing architecture and ...