Modeling and formal representation of geospatial knowledge for the Geospatial Semantic Web

Hong Huang; Jianya Gong

doi:10.1117/12.816008

29 December 2008 Modeling and formal representation of geospatial knowledge for the Geospatial Semantic Web

Hong Huang, Jianya Gong

Proceedings Volume 7285, International Conference on Earth Observation Data Processing and Analysis (ICEODPA); 72852W (2008) https://doi.org/10.1117/12.816008
Event: International Conference on Earth Observation Data Processing and Analysis, 2008, Wuhan, China

Abstract

GML can only achieve geospatial interoperation at syntactic level. However, it is necessary to resolve difference of spatial cognition in the first place in most occasions, so ontology was introduced to describe geospatial information and services. But it is obviously difficult and improper to let users to find, match and compose services, especially in some occasions there are complicated business logics. Currently, with the gradual introduction of Semantic Web technology (e.g., OWL, SWRL), the focus of the interoperation of geospatial information has shifted from syntactic level to Semantic and even automatic, intelligent level. In this way, Geospatial Semantic Web (GSM) can be put forward as an augmentation to the Semantic Web that additionally includes geospatial abstractions as well as related reasoning, representation and query mechanisms. To advance the implementation of GSM, we first attempt to construct the mechanism of modeling and formal representation of geospatial knowledge, which are also two mostly foundational phases in knowledge engineering (KE). Our attitude in this paper is quite pragmatical: we argue that geospatial context is a formal model of the discriminate environment characters of geospatial knowledge, and the derivation, understanding and using of geospatial knowledge are located in geospatial context. Therefore, first, we put forward a primitive hierarchy of geospatial knowledge referencing first order logic, formal ontologies, rules and GML. Second, a metamodel of geospatial context is proposed and we use the modeling methods and representation languages of formal ontologies to process geospatial context. Thirdly, we extend Web Process Service (WPS) to be compatible with local DLL for geoprocessing and possess inference capability based on OWL.

Citation Download Citation

Hong Huang and Jianya Gong "Modeling and formal representation of geospatial knowledge for the Geospatial Semantic Web", Proc. SPIE 7285, International Conference on Earth Observation Data Processing and Analysis (ICEODPA), 72852W (29 December 2008); https://doi.org/10.1117/12.816008

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KEYWORDS

Logic

Data modeling

Geographic information systems

Web services

Global system for mobile communications

Cognitive modeling

Data processing

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