Based on fuzzy set theory, a hybrid spatial reasoning approach is proposed that combines qualitative spatial reasoning with quantitative one.
基于模糊集合理论，提出一种将定性空间推理与定量空间推理相结合进行混合空间推理的方法。
In order to enhance the ability of modeling fuzzy phenomena, the fuzzy set theory is introduced into GIS, which produces fuzzy spatial data.
为了描述空间数据的模糊性，把模糊集理论引入GIS，以加强GIS对模糊现象建模的能力，因而产生了模糊数据。
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