搜索结果: 1-15 共查到“地理信息系统 spatial data”相关记录38条 . 查询时间(0.128 秒)
2017IEEE环境和地理空间数据分析专题会议（Special Session on Environmental and Geo-spatial Data Analytics）
2017 IEEE 环境和地理空间数据分析 专题会议
2017/9/22
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...
INTEGRATING GEO-SPATIAL DATA FOR REGIONAL LANDSLIDE SUSCEPTIBILITY MODELING IN CONSIDERATION OF RUN-OUT SIGNATURE
Classification Data Mining Geo-Spatial Data Landslide Susceptibility Random Forests Run-out Typhoon Morakot
2016/11/30
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...
MODELING OF CHANGE-ONLY INFORMATION AND UPDATING OF SPATIAL DATA
Geographical Iinformation Science Spatiotemporal Modelling Geo-information Management Database Updating, Change Detection
2015/12/23
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 in Vector Spatial Data
GIS Vector Data Entity Matching Spatial Relation Spatial Query
2015/12/18
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...
A WebGIS for Spatial Data Processing, Analysis and Distribution for Coastal Investigation and Assessment (Mission 908) in Jiangsu, China
Coast Internet GIS Data Infrastructures Visualization Geographical Services
2015/12/17
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...
Study on the Publication Technology of Integrative Thematic Digital Atlas Based on the Visualization of Spatial Data
Cartography GIS Visualization Integration Publishing Technology Thematic Atlas
2015/12/16
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 Quality Assessment and Sampling Model for the Geological Spatial Data in China
Sampling Quality assessment Geological data Geographic information ISO standards
2015/12/3
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...
Multi-hierarchical Quality Assessment of Geo-Spatial Data
Automation GIS Quality Road Extraction Structure Texture Updating
2015/12/3
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 ...
AN ONTOLOGY-DRIVEN APPROACH FOR SPATIAL DATA QUALITY EVALUATION
geographic information ontologies quality evaluation workflow management
2015/9/28
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. ...
SPATIAL DATA UNCERTAINTY IN A WEBGIS TOOL SUPPORTING SEDIMENTS MANAGEMENT IN WALLONIA
WebGIS River Sediments Basin Management Plans Environmental Communication Geospatial Data Uncertainty Quality Assessment
2015/9/21
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...
A Study on Method for Quality Control of Spatial Data in The Poyangyang Lake Area
Classification Data Floods
2015/8/17
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...
Foundation Framework for City Underground Spatial Data
Underground Spatial Data Foundation Framework Dynamical Three Dimensions
2015/8/17
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...
Legal Aspect of Access to Geo-information within Indonesian Spatial Data Infrastructure
Access Geo-information ISDI
2015/8/17
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 ...