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In this paper, user\u2019s microblog spatial information data were used to discern the spatial structure of an urban area. Firstly, Sina Weibo microblog data for 2011\u20132015 were used to establish a thematic database of cities along the Huaihe River Basin, China. Secondly, network connectivity, inflow, and outflow of three indicator systems were analyzed. Finally, combining this database with socioeconomic data, experimental verification and comparative analysis were carried out. The study found that the urban spatial relation in the Huaihe River Basin has the following characteristics: the spatial difference of urban size distribution is obvious; urban layout presents a stratified aggregation phenomenon; and the high-grade cities lead the city\u2019s interaction. The research shows that this method of data mining for urban interaction in the Huaihe River Basin is valid and that this research into urban spatial patterns of river basins is applicable to other areas.<\/jats:p>","DOI":"10.1155\/2019\/2074329","type":"journal-article","created":{"date-parts":[[2019,2,5]],"date-time":"2019-02-05T18:30:36Z","timestamp":1549391436000},"page":"1-9","source":"Crossref","is-referenced-by-count":0,"title":["Study of Urban System Spatial Interaction Based on Microblog Data: A Case of Huaihe River Basin, China"],"prefix":"10.1155","volume":"2019","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0216-5306","authenticated-orcid":true,"given":"Yong","family":"Fan","sequence":"first","affiliation":[{"name":"Research Institute for Smart Cities, School of Architecture and Urban Planning, Shenzhen University, Shenzhen, China"},{"name":"College of Geographic Sciences, Xinyang Normal University, Xinyang, China"}]},{"given":"Juhui","family":"Yao","sequence":"additional","affiliation":[{"name":"Navinfo (Xi\u2019an) Co. 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