摘要
通过网络爬虫获取海量POI数据具有巨大的应用前景。文中利用改进后的两步移动搜索法,计算居民区的教育资源可达性,评价以市为单位的小学教育资源的状况,将各市的GDP与教育资源可达性进行相关性分析,评价各省经济发展与城市教育发展的相关程度,为政府部门提供决策依据。同时,研究POI数据的预处理方法和分类方法。
The massive POI data acquired from the web crawler has a great prospect of application .This paper calculates the educational resource accessibility of every residential area by means of improved two‐step floating catchment area method .T hen ,the situation of the primary education resource in one city and the relevance between the provincial economic development and urban educational development are evaluated through analyzing the relationship between GDP and education resource accessibility .These achievements provide a decision‐making basis for the government .Meanwhile ,the methods of preprocessing and classifying the POI data are presented .
出处
《测绘工程》
CSCD
2016年第10期59-63,共5页
Engineering of Surveying and Mapping
基金
国家863计划资助项目(2012AA12A402)
国家自然科学基金资助项目(41471384
41171350
41071289)