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  • 标题:Hierarchical detailed description for spatial direction relations
  • 本地全文:下载
  • 作者:Jing Wang ; Gangwu Jiang ; Rui Guo
  • 期刊名称:Geo-spatial Information Science
  • 印刷版ISSN:1009-5020
  • 电子版ISSN:1993-5153
  • 出版年度:2008
  • 卷号:11
  • 期号:1
  • 页码:56-61
  • DOI:10.1007/s11806-007-0165-2
  • 出版社:Taylor and Francis Ltd
  • 摘要:Direction relation is an important spatial relation. Descriptions and representations for direction relations have different levels of detail because of the varying dimensions of spatial objects and different scales of the embedding spaces. Based on a direction-relation matrix, the hierarchical frame of spatial direction relations which partitions direction relations orderly and thoroughly is built. Interior direction relations are used to perfect the representation of direction relations and the binary-encoding idea is creatively applied to construct an interior detailed matrix describing multiple interior direction relations by a uniform matrix. The model integrates topological information into the description model for direction relations, which will lay the foundations of spatial compositive reasoning.
  • 关键词:spatial direction relations; direction-relation matrix; levels of detail; spatial reasoning; GIS
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