搜索结果: 16-30 共查到“测绘科学技术 Spatial Data”相关记录130条 . 查询时间(0.156 秒)
Research on China Western Spatial Data Quality Control and Evaluation Technique System
Spatial Data Quality Control Digital Linear Graphic Cloud Model Western Area
2015/12/18
The national western spatial data quality check method based on entity and evaluation method based on the cloud theory and rough set have been put forward according to the National Western Surveying a...
The Danish Way to a National Spatial Data Infrastructure, Poul Frederiksen, National Survey and Cadastre
National Mapping Infrastructure eGovernment Public Administration Standardization
2015/12/18
In Denmark, location is a recognized gateway to eGovernment and public administration. The National Survey and Cadastre (KMS) participates in a range of public partnerships that work towards the gener...
Mapping Spatial Data Infrastructures to a Grid Environment for Optimized Processing of Large Amounts of Spatial Data
Spatial Data Infrastructure Distributed Processing Grid Computing Service Chains
2015/12/18
Within the scope of processing large amounts of data and complex calculations the use of grid computing is a good choice for achieving high performance, because processing of extensive spatial data ca...
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...
Spatial Data Uncertainty Management
Knowledge Classification Knowledge Management Contextual Modelling
2015/12/11
The paper deals with the relations between knowledge management, uncertainty and the context evaluation on the background of the new possibilities of information technologies that can help us to carry...
SPATIAL DATA INTEGRATION USING ONTOLOGY-BASED APPROACH
SDI Ontology Ubi GIS Data integration Semantic Web
2016/1/15
In today's world, the necessity for spatial data for various organizations is becoming so crucial that many of these organizations have begun to produce spatial data for that purpose. In some circumst...
Spatial Data Infrastructure for Soil-Vegetation-Atmosphere Modelling: Set-Up of a Spatial Database for a Research Project (SFB/TR32)
Spatial Data Infrastructure Data Management Computer Vision Interoperability
2015/12/11
Data storage and data exchange is a key issue of interdisciplinary research projects which focus on environmental field studies and regional modelling. The overall success of such projects depends on ...
The Classification and Performance Comparison Analysis of High Dimensional Indices for Feature-Based Spatial Data Similarity Search
Spatial Database Data Management Digital Photogrammetry Query Processing GIS
2015/12/11
The applications of spatial data similarity search are increasingly needed nowadays, and accordingly high dimensional index becomes one key technology to solve the problem of spatial data similarity s...
Relationships between Cartography, Geographic Information Systems and the Mexican Spatial Data Infrastructure (IDEMex)
Cartography GIS Information, Management National Spatial Data Infrastructures
2015/12/11
This paper outlines relationships among the development of cartography, GIS and the Mexican SDI (IDEMex) at the National Institute of Statistics, Geography and Informatics (INEGI) of Mexico. An overvi...
Generating Progressively Spatial Data Streaming for Adaptively Mobile Visualization
Progressive Transmission Visualization Compression Simplification Vector Data
2015/12/3
This paper proposes and implements a new solution for generating progressive vector lines and polygons data streaming for adaptive visualizations on small mobile devices. The proposed solution firstly...
A 3D GIS's Spatial Data Model Based on Cell Complex
3D GIS non manifold cell complex spatial data model spatial data structure
2015/12/3
Based on cell complex theory, after analyzing the corresponding relationship among cell, cell complex and 3D spatial solid, a formal definition for 3D spatial solid is presented. Through analyzing the...
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 ...