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原文連結
論文資訊
- 類型：已發表論文
- 日期：2017-12-14
摘要
The city is a 複雜系統 that evolves through its inherent 社會 and 經濟 interactions. Mediating the movements of people and resources, 城市 street 網絡s offer a spatial footprint of these activities. Of particular interest is the interplay between street structure and its functional usage. Here, we study the shape of 472,040 spatiotemporally optimized travel routes in the 92 most populated cities in the world, finding that their collective morphology exhibits a directional bias influenced by the attractive (or repulsive) forces resulting from congestion, accessibility, and travel demand. To capture this, we develop a simple geometric measure, inness, that maps this force field. In particular, cities with common inness patterns cluster together in groups that are correlated with their putative stage of
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