时空立方体的抢劫案件时空特征挖掘与分析Analysis of space-time pattern of robbery crime based on space-time cube
朱艳丽;靖常峰;伏家云;杜明义;周磊;
摘要(Abstract):
针对抢劫犯罪发生的时空模式等相关问题,提出了基于时空立方体模型的时空特征探索方法。该方法既能从时空维度挖掘犯罪事件的特征,又以时空立方体方法宏观展示其热点时空分布,有助于城市治安辅助决策。文章以美国费城的抢劫犯罪案件为研究数据,实验结果表明,该方法能够较全面地揭示抢劫犯罪案件在时间、空间及时空分布特征:①抢劫犯罪案件存在明显的时间和空间聚类特性;②从空间分布分析,抢劫事件多分布于西费城以及费城北区;③从时序分析,1月和12月为抢劫犯罪的高发时段;以日为尺度,抢劫犯罪多发生在夜晚,这与犯罪学相关规律一致;④从时空规律分析,随着时间的推移,热点以费城北区为中心逐渐向周围扩散。本研究能为警力巡查调度、案件预测等提供辅助决策,并可推广应用到其他领域。
关键词(KeyWords): 时空模式;时空立方体;热点分析;抢劫犯罪
基金项目(Foundation): 国家自然科学基金项目(41771412);; 北京市自然科学基金资助项目(8182015);; 北京建筑大学未来城市设计高精尖创新中心资助项目(X18052,X18058,X18158)
作者(Authors): 朱艳丽;靖常峰;伏家云;杜明义;周磊;
DOI: 10.16251/j.cnki.1009-2307.2019.09.019
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