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» Ontology Mapping - An Integrated Approach
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IDEAS
2005
IEEE
93views Database» more  IDEAS 2005»
15 years 3 months ago
Semantic Query Transformation Using Ontologies
Traditional approaches to query processing aim at rewriting a given query into another more efficient one that uses less time and/or resources during the execution. There by, the...
Chokri Ben Necib, Johann Christoph Freytag
COSIT
2009
Springer
119views GIS» more  COSIT 2009»
15 years 4 months ago
Grounding Geographic Categories in the Meaningful Environment
Abstract. Ontologies are a common approach to improve semantic interoperability by explicitly specifying the vocabulary used by a particular information community. Complex expressi...
Simon Scheider, Krzysztof Janowicz, Werner Kuhn
DBISP2P
2005
Springer
129views Database» more  DBISP2P 2005»
15 years 3 months ago
Querying a Super-Peer in a Schema-Based Super-Peer Network
We propose a novel approach for de ning and querying a super-peer within a schema-based super-peer network organized into a two-level architecture: the low level, called the peer l...
Domenico Beneventano, Sonia Bergamaschi, Francesco...
AGILE
2007
Springer
184views GIS» more  AGILE 2007»
15 years 4 months ago
Towards Spatial Reasoning in the Semantic Web: A Hybrid Knowledge Representation System Architecture
Environmental databases store a wide variety of data from heterogeneous sources which are described with domain-specific terminologies and refer to distinct locations. In order to ...
Rolf Grütter, Bettina Bauer-Messmer
DILS
2005
Springer
15 years 3 months ago
Hybrid Integration of Molecular-Biological Annotation Data
: We present a new approach to integrate annotation data from public sources for the expression analysis of genes and proteins. Expression data is materialized in a data warehouse ...
Toralf Kirsten, Hong Hai Do, Christine Körner...