Browsing Data Science Institute by Author "Krennwallner, Thomas"
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Dynamic Querying of Mass-Storage RDF Data with Rule-Based Entailment Regimes
Krennwallner, Thomas; Martello, Alessandra; Polleres, Axel (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
Krennwallner, Thomas; Martello, Alessandra; Polleres, Axel (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 ... -
XSPARQL: Traveling between the XML and RDF worlds - and avoiding the XSLT pilgrimage
Akhtar, Waseem; Krennwallner, Thomas; Polleres, Axel (Springer, 2008)With currently available tools and languages, translating between an existing XML format and RDF is a tedious and error-prone task. The importance of this problem is acknowledged by the W3C GRDDL working group who faces ...