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» Approximating OWL-DL Ontologies
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PVLDB
2008
111views more  PVLDB 2008»
13 years 7 months ago
Approximate lineage for probabilistic databases
In probabilistic databases, lineage is fundamental to both query processing and understanding the data. Current systems s.a. Trio or Mystiq use a complete approach in which the li...
Christopher Ré, Dan Suciu
WEBI
2005
Springer
14 years 1 months ago
Aligning Class Hierarchies with Grass-Roots Class Alignment
The performance of an ontology alignment technique largely depends on the amount of information that can be leveraged for the alignment task. On the Semantic Web, end-users may ex...
Baoshi Yan
COLING
2010
13 years 2 months ago
DL Meet FL: A Bidirectional Mapping between Ontologies and Linguistic Knowledge
We present a transformation scheme that mediates between description logics (DL) or RDF-encoded ontologies and type hierarchies in feature logics (FL). The DL-to-FL direction is i...
Hans-Ulrich Krieger, Ulrich Schäfer
AIMSA
2010
Springer
13 years 9 months ago
Expressive Approximations in DL-Lite Ontologies
Abstract. Ontology based data access (OBDA) is concerned with providing access to typically very large data sources through a mediating conceptual layer that allows one to improve ...
Elena Botoeva, Diego Calvanese, Mariano Rodriguez-...
AO
2007
124views more  AO 2007»
13 years 7 months ago
Ontology negotiation in heterogeneous multi-agent systems: The ANEMONE system
In open heterogeneous multi-agent systems, communication is hampered by lack of common ontologies. Ontologies may differ in naming conventions, granularity and scope. In such an en...
Jurriaan van Diggelen, Robbert-Jan Beun, Frank Dig...