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Modeling of Incremental Information in Topographic Database and Its Description Based on RDF

ZHU Hua-ji   

  1. The Institute of Remote Sensing Applications,CAS,Beijing 100101,China
  • Received:2006-03-05 Revised:1900-01-01 Online:2007-01-26 Published:2007-01-26
  • Contact: ZHU Hua-ji

Abstract: For keeping reality of user’s database, the incremental information created by updating need to be given to users in time. However, the modeling and its description are realized preconditions. Taking two versions of the topographic database with scale 1∶250 000 in China as an example, the questions were studied on data modeling and its description. The author put forward the modeling method based on hypergraph data model (HDM) and its description on the basis of RDF (resource description framework). It can realize the modeling and description for different incremental information using a uniform style, with feasibility and validity.

Key words: topographic database, incremental information, hypergraph data model, modeling, RDF

CLC Number: 

  • P628.4
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