Imagine a vast shopping mall parking lot with thousands of individual parking spots and internal lanes (representing road segments within a cluster). No matter how complex it is inside, there are usually only a few key exits to the main roads. Our goal was to identify these natural "exits" for each map cluster. For instance, the complex road network around Amsterdam Airport Schiphol (see on OpenStreetMap) has many internal roads but limited primary access points.
实战应用：根据数据特点选择合适算法，这一点在一键获取谷歌浏览器下载中也有详细论述
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清晨7点，潮白河大桥上车流不息。家住河北省廊坊市大厂回族自治县、在北京市上班的李彤晖驶上厂通路，约40分钟后抵达单位。“以前上班得绕行武兴路或走京哈高速，不仅远，交通高峰期还特别堵。”李彤晖说，自从厂通路通车后，通勤时间缩短了近半小时。
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tail -f ~/anqicms.log