Detecting geo-spatial weather clusters using dynamic heuristic subspaces

S. Roy, Gilad Lotan
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引用次数: 3

Abstract

Few dataseis are as rich, complex, dynamic, near chaotic and close to real world physical phenomenon as weather data. To run weather predictions nationwide, it is pragmatic to identify groups of geographic locations that possess strikingly similar weather patterns. This task entails grouping a set of geo-spatial points into clusters based on a several dynamic atmospheric factors such as temperature, wind speed, precipitation, humidity etc. In this paper, we present a dynamic heuristic subspace-clustering algorithm that detects geo-spatial weather clusters across all zip codes in the US with greater accuracy than traditional clustering algorithms. Our method also incorporates a set of heuristics defined by human editors that detects one distinctive weather feature per cluster, which can be delivered to consumers as actionable weather information (e.g., `don't leave work without an umbrella'). We use the proposed algorithm to drastically scale a popular weather app called Poncho, which employs a mix of editorialized and automated mechanisms to personalize your weather forecast experience.
利用动态启发式子空间检测地理空间天气簇
很少有数据像天气数据那样丰富、复杂、动态、接近混沌和接近真实世界的物理现象。要在全国范围内进行天气预报,确定具有惊人相似天气模式的地理位置组是实用的。这项任务需要根据几个动态大气因素,如温度、风速、降水、湿度等,将一组地理空间点分组成簇。在本文中,我们提出了一种动态启发式子空间聚类算法,该算法以比传统聚类算法更高的精度检测美国所有邮政编码的地理空间天气集群。我们的方法还结合了一组由人工编辑定义的启发式方法,这些启发式方法可以检测每个集群的一个独特天气特征,这些特征可以作为可操作的天气信息传递给消费者(例如,“不要不带伞就下班”)。我们使用提出的算法来大幅扩展一个名为Poncho的流行天气应用程序,该应用程序采用编辑和自动化机制的组合来个性化您的天气预报体验。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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