Ontology Alignment: Bridging the Semantic Gap (Semantic Web and Beyond)
Ontology Alignment: Bridging the Semantic Gap (Semantic Web and Beyond)
Reasoning on Spatial Relations between Entity Classes
GIScience '08 Proceedings of the 5th international conference on Geographic Information Science
Ontology-Based Geospatial Data Query and Integration
GIScience '08 Proceedings of the 5th international conference on Geographic Information Science
GeoS'05 Proceedings of the First international conference on GeoSpatial Semantics
Reducing maintenance complexity of user-centric web portrayal services
Proceedings of the 16th International Conference on 3D Web Technology
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Geospatial data offered by distributed services are often modeled with different conceptual schemas although they cover the same thematic area. To ensure interoperability of geospatial data, the existing heterogeneous conceptual schemas can be mapped to a common conceptual schema. However, the underlying formalized schema mappings are difficult to create, difficult to re-use and often contain mismatches of abstraction level, of scope difference, domain semantics and value semantics of the mapped entities. We have developed a novel approach to document and communicate such mismatches in the form of a Mismatch Description Language (MDL). This MDL can be transformed into various textual and cartographic representations to support users in communicating and understanding mismatches, and to assess the reusability of a mapping.