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» Schema mapping discovery from data instances
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OWLED
2008
14 years 11 months ago
Opening, Closing Worlds - On Integrity Constraints
In many data-centric applications it is desirable to use OWL as an expressive schema language where one expresses constraints that need to be satisfied by the (instance) data. Howe...
Evren Sirin, Michael Smith, Evan Wallace
ML
2010
ACM
175views Machine Learning» more  ML 2010»
14 years 4 months ago
Concept learning in description logics using refinement operators
With the advent of the Semantic Web, description logics have become one of the most prominent paradigms for knowledge representation and reasoning. Progress in research and applica...
Jens Lehmann, Pascal Hitzler
79
Voted
PODS
2008
ACM
170views Database» more  PODS 2008»
15 years 9 months ago
Answering aggregate queries in data exchange
Data exchange, also known as data translation, has been extensively investigated in recent years. One main direction of research has focused on the semantics and the complexity of...
Foto N. Afrati, Phokion G. Kolaitis
ESWS
2011
Springer
14 years 1 months ago
DataFinland - A Semantic Portal for Open and Linked Datasets
The number of open datasets available on the web is increasing rapidly with the rise of the Linked Open Data (LOD) cloud and various governmental efforts for releasing public data ...
Matias Frosterus, Eero Hyvönen, Joonas Laitio
ENGL
2007
180views more  ENGL 2007»
14 years 9 months ago
Biological Data Mining for Genomic Clustering Using Unsupervised Neural Learning
— The paper aims at designing a scheme for automatic identification of a species from its genome sequence. A set of 64 three-tuple keywords is first generated using the four type...
Shreyas Sen, Seetharam Narasimhan, Amit Konar