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Environmental and more generally geo-spatial information is now provided by crowdsourcing but also by public administrations in the context of the open data policies. Analyses of such data are still c...
This study implements a data mining-based algorithm, the random forests classifier, with geo-spatial data to construct a regional and rainfall-induced landslide susceptibility model. The developed mod...
We have constructed multi-scales foundational geographical database in china, and have released diverse spatial data and derived products. But how to keep the currency and continual updating of spatia...
Entity matching is a crucial and hard technology in application of vector spatial data integrating, data updating and map differential analyses. According to the disadvantage of matching algorithms no...
In Section 1, the background of the research is introduced. This paper presents the results of efforts for the development and application of a web-based GIS, the Mission 908 WEBGIS, to support the co...
By analyzing the characteristic of compiling the modern atlas, selecting thematic digital atlas as research object, this paper has brought forward the reflection and realization of the below-mentioned...
The sampling inspection model proposed by this paper is the key for the quality inspection and assessment of geological data, which is based on the present standards, research findings, and the qualit...
In this paper we describe the analysis framework system GEOAIDA with view of an application for a versatile and efficient quality assessment of geodata. GEOAIDA allows to develop image analysis ...
The process of spatial data quality evaluation is a set of interrelated activities aiming to produce a data quality result, and moreover,to fulfil the quality requirements set forth by the customers. ...
This paper describes a WebGIS prototype developed for the Walloon administration to improve the communication and the management of sediments dredging actions carried out in rivers and lakes. In Wallo...
The Poyang Lake is the largest fresh water lake in China, of which the vast area is about 39955 km2 . The Poyang Lake Area, on the other hand, is the place where floods often occur. In order to redu...
Much local government has been using large scale digital maps with Geographic Information System (GIS). However, the updating method of a map is not established yet. The purpose of this study is the ...
This paper discusses the construction of urban spatial data infrastructure, taking Ganzhou for example. First we set up a organization that manages and harmonizes spatial data, and design the total c...
The foundation framework for underground spatial data aims to establish the platform for the underground spatial data sharing and integrating. The reasons lie in that: a) the long-term development of...
Geo-information is a double-edged sword, regarding its powers in providing instant access to vast amounts of data and the opportunity to abuse, to misinform, and to invade the privacy of individuals ...

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