搜索结果: 1-15 共查到“知识库 Spatial Database”相关记录22条 . 查询时间(0.125 秒)
INFORMATION CONTENT ANALYSIS FROM VERY HIGH RESOLUTION OPTICAL SPACE IMAGERY FOR UPDATING SPATIAL DATABASE
Information Content Topographing Mapping GIS Remote Sensing VHR Images
2018/11/9
High resolution satellite images started with IKONOS imagery. After the launch of the very high resolution IKONOS in the 1990s, a new generation of commercial Earth-imaging satellites have pioneered a...
PREDICTION BASED WORKLOAD PERFORMANCE EVALUATION FOR DISASTER MANAGEMENT SPATIAL DATABASE
Disaster Management Large Spatial Database Shortest Path Dijkstra Algorithm
2018/11/9
This paper discusses a prediction based workload performance evaluation implementation during Disaster Management, especially at the response phase, to handle large spatial data in the event of an eru...
ANALYSIS OF ACCESS CONTROL MECHANISMS FOR SPATIAL DATABASE
Spatial Database Access Control Authorization SDE ORDBMS View
2015/12/28
The development and application of GIS ultimately creates the demand for spatial information security, and access control is our primary concern. Spatial information is mostly stored and managed by da...
Research on Spatial Database Model Under Grid Computing Environment
Grid Spatial Database Model Work Flow Simulation Experiment
2015/12/18
The paper firstly introduces grid technology and spatial database. Secondly it has designed the spatial database model in grid environment, which contains Application layer, Collective Layer and Fabri...
Spatial Database Challenges for Framework Data and Location-Based Services
Spatial Database Management Service Oriented Architecture
2015/12/18
Mass-market location-based services (LBS) have had a number of false dawns. However, the belief in their potential revenue earning capacity to business and their prospective benefits to social applica...
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 ...
Event-driven Incremental Updating of Cadastral Spatial Database Considering Topological Integrity
Incremental Updating Cadastral Database Topological Relationship Consistency Change Updating Operators
2015/10/12
In order to update the cadastral database and maintain it's topological consistency automatically (or semi-automatically) during the
updating process, an event-driven incremental updating method of ...
Spatial Database Update and Validation – Current Advances in Theory and Technology
Data Models Data Quality Knowledge Management Rules-based Processing Service Oriented Architecture System Architecture Update Workflow
2015/10/9
The paper summarises the importance of spatial data quality, especially as data is used more and more in automated processes and decision-making, and as data is integrated or ‘joined-up’ from diverse ...
Using a Three Dimensional Spatial Database to Orthorectify Automatically Remote Sensing Images
orthorectification DTM SPOT
2015/8/17
Following SPOT5 launch, Spot Image and French National Geographic Institute (IGN) have decided to design a worldwide accurate
database called Reference3D?using data from the High Resolution Stereosco...
THE KEY TECHNOLOGIC ISSUES OF PARALLEL SPATIAL DATABASE MAMAGEMENT SYSTEM FOR PARALLEL GIS
Parallel Computing Parallel Spatial Database Management System Parallel GIS Decision Support Systems
2015/8/10
The technologies of organization and management of the massive volume spatial data are playing an important role in GIS. Especially,with the increasing of the volume of spatial data and the extending ...
THE ESTABLISHMENT AND ANALYSIS OF DIGITAL HYDROGEOLOGY MAP SPATIAL DATABASE
Digital China Hydrology geology map Spatial data base Spatial analysis establishing the model of database
2015/8/10
Digital hydrogeological map spatial data base is the most important components of “digital China ”. According to uniform standard,primary hydrogeological materials were converted into numeric format t...
A DYNAMIC INDEX STRUCTURE FOR SPATIAL DATABASE QUERYING BASED ON R-TREES
Spatial Database Querying R-Tree Dynamic Index Structure
2015/8/10
In recent years, spatial database has become an important area of people's interest and research. A fundamental issue in this area is how to store and operate spatial data efficiently. This paper desc...
A Review of Map and Spatial Database Generalization for Developing a Generalization Framework
Generalization Derivative Mapping Seamless Database
2015/7/9
Technological development in the field of map and spatial database generalization is very fast, following the trend from manual cartography to
computer-based cartography. Map generalization is an int...
Research on Spatial Database Design and Tuning Based on Oracle and Arcsde
Configuration GIS Image
2015/7/7
With the development of the Database technology and Geographic Information System technology, the spatial data managing mode
go through three stages, entirely File system management, File system and ...
CLASSIFICATION AND REPRESENTATION OF CHANGE IN SPATIAL DATABASE FOR INCREMENTAL DATA TRANSFER
incremental data transfer change Geographical Object update Classification representation
2015/6/1
Nowadays, more and more spatial databases are used in various fields, so the demands for keeping spatial database “fresh” are growing rapidly. Generally, the end-users get the basic spatial data from ...