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作 者:Jianxiao LIU Han BI Meilian Wang
机构地区:[1]Department of Land Surveying and Geo-Informatics,Hong Kong Polytechnic University,Hong Kong,China
出 处:《Geography and Sustainability》2020年第4期284-294,共11页地理学与可持续性(英文)
摘 要:With the emergence of new types of data(e.g.social media data)and cutting-edge computer technology(e.g.Natural Language Processing),the shortcomings of traditional methods(subjective and objective ways)for de-tecting urban livability can be overcome by an integrated approach.This study aims to develop a comprehensive approach to measure urban livability based on statistic data,geo-data(e.g.points of interest),questionnaires survey,and social media data(Instagram),from both objective and subjective angles.Hong Kong,as a city with a high level of urbanization and contrasting urban environments,is chosen as the study area in this research.Through this study,the question“which area of Hong Kong is more suitable for living”is answered by the visu-alization of GIS-based analysis.Also,the correlation between livability scores and individuals’sentiment scores are explored.Specifically,the results show that central areas of Hong Kong with a higher level of urbanization are relatively more livable than suburban regions.However,through sentiment analysis,individuals who post Instagram in suburban areas of Hong Kong usually express more positive content and happier emotion than those who post Instagram in central urban areas.The study could offer useful information for the policy action of authorities as well as the residential location choices of citizens.
关 键 词:HABITABILITY Social media data Instagram Urban informatics Spatial analysis Sentiment analysis
分 类 号:F29[经济管理—国民经济] TU984[建筑科学—城市规划与设计]
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