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» Applying a Data Miner To Heterogeneous Schema Integration
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PODS
2002
ACM
167views Database» more  PODS 2002»
14 years 9 months ago
OLAP Dimension Constraints
In multidimensional data models intended for online analytic processing (OLAP), data are viewed as points in a multidimensional space. Each dimension has structure, described by a...
Carlos A. Hurtado, Alberto O. Mendelzon
SIGMOD
2010
ACM
250views Database» more  SIGMOD 2010»
13 years 9 months ago
Expressive and flexible access to web-extracted data: a keyword-based structured query language
Automated extraction of structured data from Web sources often leads to large heterogeneous knowledge bases (KB), with data and schema items numbering in the hundreds of thousands...
Jeffrey Pound, Ihab F. Ilyas, Grant E. Weddell
VLDB
2007
ACM
108views Database» more  VLDB 2007»
14 years 9 months ago
Update Exchange with Mappings and Provenance
We consider systems for data sharing among heterogeneous peers related by a network of schema mappings. Each peer has a locally controlled and edited database instance, but wants ...
Todd J. Green, Grigoris Karvounarakis, Zachary G. ...
GISCIENCE
2008
Springer
154views GIS» more  GISCIENCE 2008»
13 years 10 months ago
Ontology-Based Geospatial Data Query and Integration
Geospatial data sharing is an increasingly important subject as large amount of data is produced by variety of sources, stored in incompatible formats, and accessible through diffe...
Tian Zhao, Chuanrong Zhang, Mingzhen Wei, Zhong-Re...
OWLED
2007
13 years 10 months ago
Ontologies in OWL for Rapid Enterprise Integration
Ontologies enable explicit expression of collective concepts and support Machine-to-Machine (M2M) interactions at the semantic level. Ontologies expressed in a standard language, s...
Suzette Stoutenburg, Leo Obrst, Deborah Nichols, P...