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Urban vitality assessment at the neighborhood scale with geo-data:A review toward implementation

Journal of geographical Sciences 2023年第7期33卷 1482-1504页

作者： LIU Sheng GE Jian YE Xinyue WU Chao BAI Ming College of Civil Engineering and Architecture Zhejiang UniversityHangzhou 310058China Hangzhou City University Hangzhou 310011China Department of Landscape Architecture and Urban Planning Texas A&M UniversityCollege StationTX 77840USA School of geographic and Biologic Information Nanjing University of Posts and TelecommunicationsNanjing 210023China Zhejiang University Urban-Rural Planning&Design Institute Hangzhou 310030China

The number of urban vitality assessment studies is rising continuously,owing to the emergence of geographic *** current literature focuses primarily on evaluation,rather than implementation,of urban ***,a scoping review and research agenda are needed for urban vitality research to be more *** study aims to fill the research gap by exploring the content and methods of vitality assessment that can make urban vitality research more compatible with policy,planning,and design *** chose the neighborhood scale,which is the most practical initiative unit for vitality *** discovered that the gaps between the current research and practice primarily lie in the diversity of research subjects,the authenticity and comprehensiveness of vitality measurement,and the multi-domain of impact factor *** this basis,we classified the following expandable aspects:(1) multi-type,multi-dimensional,multi-temporal,and implementation-adaptive vitality evaluation;(2) methods reflecting high-quality social interactions and the perceptions of vulnerable groups;(3) how design and urban management impacts vitality;and(4) the synergistic effects of multiple indicators on ***,the research content and methodology presented in this paper can help neighborhood-scale vitality assessment to provide more meaningful insights for policy makers and practitioners.

关键词： urban vitality neighborhood scale implementation geo-data

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geo-data Science:Leveraging geoscience Research with geoinformatics,Semantics and Open data

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Acta geologica Sinica(English Edition) 2019年第S01期93卷 44-47页

作者： MA Xiaogang University of Idaho MoscowID 83844USA

1 Key concepts underpinning geo-data science geoinformatics and geomathematics Computers have been used for data collection,management,analysis,and transmission in geoscience for about 70 years since the 1950s (Merriam,2001;2004).The term geoinformatics is widely used to describe such *** real-world practices,researchers in both geography and geoscience are using the term geoinformatics.

关键词： geo-data science cyberinfrastructure data interoperability exploratory data analysis

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Modelling and mapping third dimension in a spatial database

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International Journal of Digital Earth 2011年第6期4卷 505-520页

作者： F.Donera C.Bıyık Department of geomatics Engineering Gumushane UniversityGumushaneTurkey Department of geomatics Engineering Karadeniz Technical UniversityTrabzonTurkey

In this paper,an overview of phases for modelling and mapping third dimension of spatial objects in a database is presented based on a selected spatial database management system(DBMS).These phases include(1)defining a spatial reference system for representing three-dimensional(3D)objects with real-world coordinates,(2)geometric modelling of 3D objects in the database,(3)3D spatial indexing for fast accessing/querying the 3D data,3D spatial queries and representation of 3D ***,a case study is performed to assess needs,possibilities and potential limitations of 3D data modelling in the spatial database.

关键词： spatial database geo-data 3D data modelling GIS digital earth

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