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» Ontology Mapping - An Integrated Approach
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IDEAS
2005
IEEE
93views Database» more  IDEAS 2005»
15 years 11 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»
16 years 22 days 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 11 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»
16 years 11 days 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 11 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...