Query processing in the SIMS information mediator
Readings in agents
An architecture for a secure service discovery service
MobiCom '99 Proceedings of the 5th annual ACM/IEEE international conference on Mobile computing and networking
Context interchange: new features and formalisms for the intelligent integration of information
ACM Transactions on Information Systems (TOIS)
Distributed and Parallel Databases
logic-based techniques in data integration
Logic-based artificial intelligence
Toward the semantic geospatial web
Proceedings of the 10th ACM international symposium on Advances in geographic information systems
Semantic Granularity in Ontology-Driven Geographic Information Systems
Annals of Mathematics and Artificial Intelligence
OntoSeek: Content-Based Access to the Web
IEEE Intelligent Systems
Querying Heterogeneous Information Sources Using Source Descriptions
VLDB '96 Proceedings of the 22th International Conference on Very Large Data Bases
SEAL - A Framework for Developing SEmantic Web PortALs
BNCOD 18 Proceedings of the 18th British National Conference on Databases: Advances in Databases
Towards High-Precision Service Retrieval
ISWC '02 Proceedings of the First International Semantic Web Conference on The Semantic Web
A survey of approaches to automatic schema matching
The VLDB Journal — The International Journal on Very Large Data Bases
WWW '03 Proceedings of the 12th international conference on World Wide Web
An Integration Method for the Specification of Rule-Oriented Mediators
DANTE '99 Proceedings of the 1999 International Symposium on Database Applications in Non-Traditional Environments
The description logic handbook
The description logic handbook
Relationships with other formalisms
The description logic handbook
Ontology-Based Search for Interactive Digital Maps
IEEE Intelligent Systems
On Integrating Scientific Resources through Semantic Registration
SSDBM '04 Proceedings of the 16th International Conference on Scientific and Statistical Database Management
Ontology-based service discovery in spatial data infrastructures
Proceedings of the 2005 workshop on Geographic information retrieval
The role of spatial relations in automating the semantic annotation of geodata
COSIT'05 Proceedings of the 2005 international conference on Spatial Information Theory
A framework for semantic annotation of geospatial data for agriculture
International Journal of Metadata, Semantics and Ontologies
Annotating data to support decision-making: a case study
Proceedings of the 6th Workshop on Geographic Information Retrieval
Service chaining for accessing geospatial information in mobile devices
Proceedings of the 2nd International Conference on Computing for Geospatial Research & Applications
Using SOA and RIAs for water data discovery and retrieval
Environmental Modelling & Software
A semantic web map mediation service: interactive redesign and sharing of map legends
Proceedings of the 1st ACM SIGSPATIAL International Workshop on Spatial Semantics and Ontologies
Enhance discovery and retrieval of geospatial data using SOA and Semantic Web technologies
Expert Systems with Applications: An International Journal
Managing a community shared vocabulary for hydrologic observations
Environmental Modelling & Software
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In current spatial data infrastructures (SDIs), it is still often difficult to effectively exchange or re-use geographic data sets. A main reason for this is semantic heterogeneity, which occurs at different levels: at the metadata, the schema and the data content level. It is the goal of the work presented in this paper to overcome the problems caused by semantic heterogeneity on all three levels. We present a method based on ontologies and logical reasoning, which enhances the discovery, retrieval, interpretation and integration of geographic data in SDIs. Its benefits and practical use are illustrated with examples from the domains of geology and hydrology.