Extension of spatial metadata and agent-based spatial Data navigation mechanism

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Extension of spatial metadata and agent-based spatial Data navigation mechanism

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Geographic Information Systems archive
Proceedings of the 11th ACM international symposium on Advances in geographic information systems table of contents

New Orleans, Louisiana, USA

Pages: 102 - 109

Year of Publication: 2003

ISBN:1-58113-730-3

Authors

Yingwei Luo	Peking University, Beijing, P.R. China
Xiaolin Wang	Peking University, Beijing, P.R. China
Zhuoqun Xu	Peking University, Beijing, P.R. China

Sponsors

ACM: Association for Computing Machinery
SIGMIS: ACM Special Interest Group on Management Information Systems
SIGIR: ACM Special Interest Group on Information Retrieval

Publisher

ACM New York, NY, USA

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ABSTRACT

Fast navigation to distributed spatial data has been the keystone of distributed GIS. In this paper, a hierarchical spatial metadata Database framework is presented based on the existing spatial metadata standard. This framework can efficiently organize the distributed spatial data in network. With the support of the hierarchical spatial metadata Databases, a user-oriented descriptive specification for spatial data requirement is proposed. A map (map-layer) is described as a tuple consisting of four basic elements of <subject, scope, stratum, time>. An agent-based searching scheme for spatial query is also introduced, which can satisfy the requirement of fast navigation in terms of spatial query that can often be non-deterministic or with uncertainty.

REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

	1	The Administrative Center for China's Agenda21, A Study on the Spatial Metadata Standards of China (in Chinese), Beijing: Science Press, 1999.
	2	Open GIS Consortium, OpenGIS Abstract Specification for Metadata, http://www.openGIS.org/.
	3	Federal Geographic Data Committee, Content Standard for Digital Geospatial Metadata, http://www.fgdc.gov/.
	4	ISO/TC211, ISO/DIS 19115 Geographic information - Metadata, http://www.isotc211.org/.
	5	Luo Yingwei, Study on Agent-based Distributed GIS{Ph.D Dissertation}(in Chinese), Peking University, Beijing, 1999.
	6	Rodrigues, A., Raper, J., Capito, M., Implementing Intelligent Agents for Spatial Information, Proceedings of The Joint European Conference on Geographical Information 1995, The Hague, The Netherlands, 26--31 March, 1995.
	7	James J. Nolan, Robert Simon and Arun K. Sood, Developing an Ontology and ACL in an Agent-based GIS, Proceedings of the Workshop on Ontologies in Agent Systems, May 29, 2001, Montreal, QC, Canada.
	8	Open GIS Consortium, OpenGIS Abstract Specification for Semantics and Information Communities, http://www.openGIS.org/.