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» A comparison between two logical formalisms for rewriting
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PODS
2008
ACM
141views Database» more  PODS 2008»
14 years 8 months ago
On the complexity of deriving schema mappings from database instances
We introduce a theoretical framework for discovering relationships between two database instances over distinct and unknown schemata. This framework is grounded in the context of ...
Pierre Senellart, Georg Gottlob
BMCBI
2010
149views more  BMCBI 2010»
13 years 8 months ago
S3DB core: a framework for RDF generation and management in bioinformatics infrastructures
Background: Biomedical research is set to greatly benefit from the use of semantic web technologies in the design of computational infrastructure. However, beyond well defined res...
Jonas S. Almeida, Helena F. Deus, Wolfgang Maass
GIS
2006
ACM
13 years 7 months ago
Qualitative polyline similarity testing with applications to query-by-sketch, indexing and classification
We present an algorithm for polyline (and polygon) similarity testing that is based on the double-cross formalism. To determine the degree of similarity between two polylines, the...
Bart Kuijpers, Bart Moelans, Nico Van de Weghe
ICDE
2003
IEEE
102views Database» more  ICDE 2003»
14 years 9 months ago
Schema Mediation in Peer Data Management Systems
Intuitively, data management and data integration tools should be well-suited for exchanging information in a semantically meaningful way. Unfortunately, they suffer from two sign...
Alon Y. Halevy, Zachary G. Ives, Dan Suciu, Igor T...
SIGSOFT
2007
ACM
14 years 8 months ago
On marrying ontological and metamodeling technical spaces
In software engineering, the use of models and metamodeling approaches (e.g., MDA with MOF/UML) for purposes such as software design or software validation is an established pract...
Fernando Silva Parreiras, Steffen Staab, Andreas W...