地理信息科学中尺度概念的诠释与表达
本文对地理信息科学的尺度概念、尺度效应、尺度变换等进行了总结, 提出了尺度外延与内涵联合表达的3×3尺度矩阵, 深入剖析了尺度矩阵中的9个尺度子概念。基于尺度子概念的相互作用, 讨论了粒度与广度的依存关系, 以及时间粒度、语义粒度分别与空间粒度联合表达的基本规则。针对空间关系尺度在空间分析、空间推理中的重要意义, 提出并建立了拓扑关系粒度、方向关系粒度、距离关系粒度的计算方法。在完整诠释地理信息科学中的尺度概念基础上, 提出了未来关于尺度问题研究的3个方向: 尺度概念形式化、尺度效应与不变性、尺度变换与知识发现。...
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| Veröffentlicht in: | Ce hui xue bao 2022-07, Vol.51 (7), p.1640-1652 |
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| creator | 艾廷华 张翔 |
| description | 本文对地理信息科学的尺度概念、尺度效应、尺度变换等进行了总结, 提出了尺度外延与内涵联合表达的3×3尺度矩阵, 深入剖析了尺度矩阵中的9个尺度子概念。基于尺度子概念的相互作用, 讨论了粒度与广度的依存关系, 以及时间粒度、语义粒度分别与空间粒度联合表达的基本规则。针对空间关系尺度在空间分析、空间推理中的重要意义, 提出并建立了拓扑关系粒度、方向关系粒度、距离关系粒度的计算方法。在完整诠释地理信息科学中的尺度概念基础上, 提出了未来关于尺度问题研究的3个方向: 尺度概念形式化、尺度效应与不变性、尺度变换与知识发现。 |
| doi_str_mv | 10.11947/j.AGCS.2022.20220143 |
| format | Article |
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| subjects | Knowledge acquisition Questions Scale effect Spatial analysis Spatial data |
| title | 地理信息科学中尺度概念的诠释与表达 |
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