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- W3136189634 abstract "To make the complicated environmental protection work simple, environmental protection GIS is widely used. Direction relation reasoning is an important branch of spatial reasoning, it is also one of the most basic theoretical issues in the Environmental Protection Geographic Information System. This paper proposes a modelling method of combining the cone-shaped direction relation model with the direction relation matrix to determine the fuzzy direction relation between spatial entities on the basis of the cone-shaped direction relation model and direction relation matrix in Environmental Protection Geographic Information System, the advantages of the two models are fully utilized to overcome the disadvantages of them. Firstly, is divided into nine equal internal sub-regions on the basis of the Minimum Bounding Rectangle (MBR) model. Then, the central-region of the direction relation matrix is divided again by using the cone-shaped direction relation model, and a fuzzy formal description model is given by taking point entity and area entity as research objects. The application of direction relation reasoning model in Environmental Protection GIS is helpful to improve the efficiency of judging the direction of pollution sources and the level of environmental protection." @default.
- W3136189634 created "2021-03-29" @default.
- W3136189634 creator A5019447258 @default.
- W3136189634 date "2021-03-01" @default.
- W3136189634 modified "2023-09-24" @default.
- W3136189634 title "A novel direction relation reasoning model based Environmental Protection GIS" @default.
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- W3136189634 doi "https://doi.org/10.1088/1755-1315/702/1/012047" @default.
- W3136189634 hasPublicationYear "2021" @default.
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