By Peter van Oosterom, Sisi Zlatanova
Tasks, akin to encourage and the USA DHS Geospatial info version, are operating to increase a wealthy set of criteria that may create harmonized types and issues for the spatial details infrastructure. besides the fact that, this can be purely step one. Semantically significant types needs to nonetheless be built which will stimulate interoperability. developing Spatial details Infrastructures (SII) offers strategies to the issues fighting the release of a very powerful SII. best specialists in SII improvement current an entire review of SII, together with consumer and alertness wishes, theoretical and technological foundations, and examples of discovered operating SII’s. The ebook comprises semantic purposes in every one dialogue and explains their significance to the way forward for geo-information standardization. supplying sensible strategies to technical and nontechnical hindrances, this booklet presents the instruments had to take your next step towards a operating semantic web—one that may revolutionize the best way the realm accesses and makes use of spatial details.
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Additional resources for Creating Spatial Information Infrastructures: Towards the Spatial Semantic Web
G. Zaccheddu. 2005. EuroGeoNames: The Vision of Integrated Geographical Names Data within a European SDI. Eighth United Nations Regional Cartographic Conference for the Americas, 27 June–1 July 2005, New York. , B. Lauser, A. Liang, F. Fisseha, J. Keizer, and S. Katz. 2004. Reengineering Thesauri for New Applications: The AGROVOC Example. Journal of Digital Information 4 (4). Stuckenschmidt, H. 2003. Ontology-Based Information Sharing in Weakly Structured Environments. D. thesis, Vrije Universiteit, Amsterdam.
1996. Building a Multi-Scale Database with ScaleTransition Relationships. 7th International Symposium on Spatial Data Handling, Delft, The Netherlands. Farrell, J. and H. Lausen, ed. 2007. Semantic Annotations for WSDL and XML Schema: W3C. Recommendation. org/TR/sawsdl/ (accessed January 31, 2008). , and P. Plini. 2004. EDEN-Inland Waters TRS, Terminology Reference System. Rome, Italy: Consiglio Nazionale delle Ricerche (CNR), Istituto sull’Inquinamento Atmospherico, Unità Terminologia Ambientale.
In certain cases, objects are derived once from a reference scale and then any linkage is deleted. This means, however, that whenever objects at the reference scale are updated, a complete derivation of objects is necessary. It is more efficient to keep a linkage among objects (the different representations) in order to avoid having to recreate all objects whenever there is a change at the reference scale. This requires a multirepresentation database where rules that specify interdependencies can be stored to avoid inconsistent representations when one object is updated (Devogele, Trevisan, and Raynal 1996; Rodríguez and Egenhofer 2003; Friis-Christensen et al.
Creating Spatial Information Infrastructures: Towards the Spatial Semantic Web by Peter van Oosterom, Sisi Zlatanova