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	SOM: A novel model for defining topological line-region relations
	Wang, XL ; Luo, YW ; Xu, ZQ
	2004
关键词	SPATIAL RELATIONS
英文摘要	Topological line-region relations are generally defined by the Ninth-Intersection Model (9IM) or the Dimensionally Extended Ninth-Intersection Model (DE-9IM) in GIS. In the paper, Segment Operator Model (SOM) is introduced to solve the same problem. Let a simple region R filter a simple curve L and produce a set of curve segments within the exterior, the interior or the borders of R. The topological relations between curve segments and R are mapped into seven categories: across, stabsin, along, bowsto, sticksto, inside and disjoint. SOM is based on counting the curve segments that belong to each of the seven categories. Any topological relations defined in 9IM or DE-9IM can be expressed in SOM. In SOM, L is atomic to R when only a single curve segment is produced, simplex to R when no more than three curve segments are produced, otherwise, L is complex to R. L is uniform to R when only one kind of curve segments are produced.; http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000221852900035&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701 ; Computer Science, Interdisciplinary Applications; Computer Science, Software Engineering; Computer Science, Theory & Methods; SCI(E); CPCI-S(ISTP); 3
语种	英语
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/400345]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Wang, XL,Luo, YW,Xu, ZQ. SOM: A novel model for defining topological line-region relations. 2004-01-01.

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