搜索结果: 1-15 共查到“地理信息系统 Data”相关记录271条 . 查询时间(0.359 秒)
DEFINING GEOSPATIAL DATA FUSION METHODS BASED ON TOPOLOGICAL RELATIONSHIPS
Geospatial Data Fusion Topological Data Model 3D GIS Anchor Node IndoorGML
2018/11/9
Currently, geospatial datasets are produced in various models and formats in accordance with the spatial scale of the real world such as ground/ surface/underground or indoor/outdoor. The location-bas...
VISUALIZATION AND ANALYSIS OF CELLULAR & TWITTER DATA USING QGIS
QGIS, Twitter feed, Cellular data, Origin Destination Matrices, Thematic maps
2018/11/8
The study is to understand individual presence and movement in Friuli Venezia Giulia region. It is important for tourism planning, hazard management, business marketing, implementing government lifeti...
LINKDALE: A LIGHTWEIGHT LEARNING ENVIRONMENT FOR (GEOSPATIAL) LINKED DATA
Linked Data education earning environment reactjs visual linking
2018/11/8
Modern software tools for managing Linked Data are often designed for skilled users. Therefore, they cannot be used for education purposes because they require substantial a priori knowledge about the...
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...
AN INTEGRATED APPROACH FOR LINKED DATA BROWSING
Data Browsing Faceted Browsing Geo-spatial Data Graph Navigation Linked Open Data
2017/8/10
The Netherlands' Cadastre, Land Registry and Mapping Agency – in short Kadaster – collects and registers administrative and spatial data on property and the rights involved. Currently, the Kadaster is...
BUILDING A COMPLETE FREE AND OPEN SOURCE GIS INFRASTRUCTURE FOR HYDROLOGICAL COMPUTING AND DATA PUBLICATION USING GIS.LAB AND GISQUICK PLATFORMS
GIS Open Source Free Software Deployment Hydrology GIS.lab Gisquick
2017/8/10
Building a complete free and open source GIS computing and data publication platform can be a relatively easy task. This paper describes an automated deployment of such platform using two open source ...
VISUAL TOOLS FOR CROWDSOURCING DATA VALIDATION WITHIN THE GLOBELAND30 GEOPORTAL
Crowdsourcing global land cover visual tools Globeland30 volunteered geographic information sense making visualization
2016/12/1
This research aims to investigate the role of visualization of the user generated data that can empower the geoportal of GlobeLand30 produced by NGCC (National Geomatics Center of China). The focus is...
AUTOMATIC RIVER NETWORK EXTRACTION FROM LIDAR DATA
Lidar DTM water resources fundamental datasets IGN-ES INSPIRE
2016/11/30
National Geographic Institute of Spain (IGN-ES) has launched a new production system for automatic river network extraction for the Geospatial Reference Information (GRI) within hydrography theme. The...
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...
ANALYSIS OF DEBRIS FLOW DISASTER DUE TO HEAVY RAIN BY X-BAND MP RADAR DATA
M X-band MP radar GIS Disaster prevention Web-based
2016/11/30
On August 20 of 2014, Hiroshima City (Japan) was struck by local heavy rain from an autumnal rain front. The resultant debris flow disaster claimed 75 victims and destroyed many buildings. From 1:30 a...
Evaluating the Human Damage of Tsunami at Each Time Frame in Aggregate Units Based on GPS data
GIS The Nankai trough megathrust earthquake Evacuation Casualties Population distribution
2016/11/30
Assessments of the human damage caused by the tsunami are required in order to consider disaster prevention at such a regional level. Hence, there is an increasing need for the assessments of human da...
IMPROVEMENT EVALUATION ON CERAMIC ROOF EXTRACTION USING WORLDVIEW-2 IMAGERY AND GEOGRAPHIC DATA MINING APPROACH
Geographical Data Mining GEOBIA WorldView-2 Ceramic roof C4.5 Decision Tree Classification accuracy
2016/11/24
Advances in geotechnologies and in remote sensing have improved analysis of urban environments. The new sensors are increasingly suited to urban studies, due to the enhancement in spatial, spectral an...
New implementation of OGC Web Processing Service in Python programming language.PyWPS-4 and issues we are facing with processing of large raster data using OGC WPS
OGC Web Processing Service OGC WPS PyWPS Open Source Software Free Software FOSS4G OSGeo Python Server
2016/11/24
The OGC® Web Processing Service (WPS) Interface Standard provides rules for standardizing inputs and outputs (requests and responses) for geospatial processing services, such as polygon overlay. ...
GEOSPATIAL DATA STREAM PROCESSING IN PYTHON USING FOSS4G COMPONENTS
Geospatial data streaming platform Data velocity Python FOSS4G geospatial libraries performance SpS10-FOSS4G
2016/11/24
One viewpoint of current and future IT systems holds that there is an increase in the scale and velocity at which data are acquired and analysed from heterogeneous, dynamic sources. In the earth obser...
LAND COVER MAPPING USING SENTINEL-1 SAR DATA
Sentinel-1A Synthetic Aperture Radar Land cover classification Support Vector Machines Istanbul Turkey
2016/11/24
In this paper, the potential of using free-of-charge Sentinel-1 Synthetic Aperture Radar (SAR) imagery for land cover mapping in urban areas is investigated. To this aim, we use dual-pol (VV+VH) Inter...