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» Ontologies and Databases: The DL-Lite Approach
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EDBTW
2010
Springer
14 years 2 months ago
SPARQL query rewriting for implementing data integration over linked data
There has been lately an increased activity of publishing structured data in RDF due to the activity of the Linked Data community1 . The presence on the Web of such a huge informa...
Gianluca Correndo, Manuel Salvadores, Ian Millard,...
DEXA
2009
Springer
177views Database» more  DEXA 2009»
14 years 2 months ago
Querying XML Data with SPARQL
SPARQL is today the standard access language for Semantic Web data. In the recent years XML databases have also acquired industrial importance due to the widespread applicability o...
Nikos Bikakis, Nektarios Gioldasis, Chrisa Tsinara...
RR
2007
Springer
14 years 1 months ago
Efficiently Querying Relational Databases Using OWL and SWRL
For the foreseeable future, most data will continue to be stored in relational databases. To work with these data in ontology-based applications, tools and techniques that bridge t...
Martin J. O'Connor, Ravi Shankar, Samson W. Tu, Cs...
SEMWEB
2010
Springer
13 years 5 months ago
Mapping Master: A Flexible Approach for Mapping Spreadsheets to OWL
We describe a mapping language for converting data contained in spreadsheets into the Web Ontology Language (OWL). The developed language, called M2 , overcomes shortcomings with e...
Martin J. O'Connor, Christian Halaschek-Wiener, Ma...
CBMS
2006
IEEE
14 years 1 months ago
An Ontology-Driven Mediator for Querying Time-Oriented Biomedical Data
— Most biomedical research databases contain considerable amounts of time-oriented data. However, temporal knowledge about the contextual meaning of such data is not usually repr...
Martin J. O'Connor, Ravi Shankar, Amar K. Das