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DESIGN AND ESTABLISHMENT OF QUALITY MODEL OF FUNDAMENTAL GEOGRAPHIC INFORMATION DATABASE
Fundamental Geographic Information Database Database Management System(DBMS) Quality Model Quality Evaluation
2018/4/30
In order to make the quality evaluation for the Fundamental Geographic Information Databases(FGIDB) more comprehensive, objective and accurate, this paper studies and establishes a quality model of FG...
A GIS-BASED APPROACH TO SPATIO-TEMPORAL ANALYSIS OF URBAN AIR QUALITY IN CHENGDU PLAIN
Geographical information science Statistical analysis Computer Vision Spatial-temporal analysis Air quality
2016/1/3
Environmental pollution of urban areas is one of key factors that state authorities and local agencies have to consider in the decisionmaking process. Understanding temporal and spatial distribution o...
COMPETENCY STANDARDS-A MEASURE OF THE QUALITY OF A WORKFORCE
Capacity Building Joint Education Photogrammetry Remote Sensing Geoinformation Management Skills Formation
2015/12/22
Competency Standards are increasingly being used by professions and governments to define the qualifications required for professionals to practise in a discipline. They define a range oflevels of com...
Dom Quality Evaluation Based on Multi-Level Fuzzy Comprehensive Assessment of Entropy Weights
GIS Analysis Sampling Image Quality Entropy Weight
2015/12/18
With the development of RS technology, the evaluation of DOM becomes more important. Multi-level fuzzy comprehensive evaluation is the traditional method for DOM evaluation. But in the process of trad...
Quality Control in Process of Establishment of NSDI
Spatial Data Infrastructure Spatial Database Interoperability Geo-Information Market
2015/12/11
The establishment of the Croatian National Spatial Data Infrastructure has started at the beginning of the 1990's. The main agitator of the activities was the State Geodetic Administration of the Repu...
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. ...
APPLICATION OF GML-BASED GEO-METADATA FOR DATA QUALITY INFORMATION MANAGEMENT AND DISSEMINATION ON THE WEB
Data Quality In-situ sensor Interoperability GML Metadata
2015/9/28
Nowadays developing geo-metadata with the capacity for data quality management and dissemination plays an important role in GIS/Geomatics world. Data quality information embedded in geo-metadata helps...
MODELING DATA QUALITY WITH POSSIBILITY-DISTRIBUTIONS
GIS Data Quality Metadata Modelling Fuzzy Logic Possibility Theory Interoperability
2015/9/28
Description of data quality relies heavily on numbers. When dealing with data sets, which have been collected during longer periods, however, variation in the data quality will become evident. Older d...
ASSESSING THE QUALITY OF DATA WITH A DECISION MODEL
ASSESSING THE QUALITY OF DATA DECISION MODEL
2015/9/28
The quality of GIS data cannot be assessed independently of what it should be used for (“fitness for use”); this assessment requires currently human expert interaction. If the user describes how he us...
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...
Groundwater Quality Mapping Based on the Geographical Information System (GIS) of Jammu District, Jammu and Kashmir India
Groundwater quality GIS Integration analysis Jammu district J&K India
2015/8/14
Geographical Information System (GIS) based groundwater quality mapping has been carried out with the help of hydrochemical data of Jammu district, Jammu and Kashmir State. Groundwater quality for dri...
AUTOMATIC QUALITY ASSESSMENT OF GIS ROAD DATA USING AERIAL IMAGERY-A COMPARISON BETWEEN BAYESIAN AND EVIDENTIAL REASONING
Database GIS Imagery Networks Parameters Quality Reliability
2015/8/7
This paper describes the framework for automatic quality assessment of existing geo-spatial data. The necessary reference information is derived from up-to-date digital aerial images via automatic obj...
USING IMAGE STATISTICS FOR AUTOMATED QUALITY ASSESSMENT OF URBAN GEOSPATIAL DATA
Quality assessment ridge detection performance characterization road extraction spatial accuracy GIS
2015/8/3
In this paper, a framework is proposed to assess the quality of urban geospatial data using image information. An important aspect is the emphasis on accuracy and reliability of the system. The qualit...