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» A Query Language for Logic Architectures
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WWW
2008
ACM
14 years 8 months ago
A differential notion of place for local search
For extracting the characteristics a specific geographic entity, and notably a place, we propose to use dynamic Extreme Tagging Systems in combination with the classic approach of...
Vlad Tanasescu, John Domingue
PODS
2004
ACM
158views Database» more  PODS 2004»
14 years 7 months ago
Composing Schema Mappings: Second-Order Dependencies to the Rescue
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
Ronald Fagin, Phokion G. Kolaitis, Lucian Popa, Wa...
DEXA
2009
Springer
151views Database» more  DEXA 2009»
14 years 2 months ago
Automatic Extraction of Ontologies Wrapping Relational Data Sources
Describing relational data sources (i.e. databases) by means of ontologies constitutes the foundation of most of the semantic based approaches to data access and integration. In sp...
Lina Lubyte, Sergio Tessaris
BIB
2006
169views more  BIB 2006»
13 years 7 months ago
Bio-ontologies: current trends and future directions
: In recent years, as a knowledge-based discipline, bioinformatics has moved to make its knowledge more computationally amenable. After its beginnings in the disciplines as a techn...
Olivier Bodenreider, Robert Stevens
KI
2002
Springer
13 years 7 months ago
Formal Properties of Constraint Calculi for Qualitative Spatial Reasoning
In the previous two decades, a number of qualitative constraint calculi have been developed, which are used to represent and reason about spatial configurations. A common property...
Bernhard Nebel, Alexander Scivos