An Analysis of Quality for Volunteered Geographic Information

摘要: Volunteered geographic information is a new and growing source of for generating accurate maps which display various landscapes populations. This thesis discusses the definitions, history theory VGI with an eye toward its practical applications environmental research. A major issue application uncertainty about how to measure characterize data quality. investigates issues quality by using International Standards Organization framework assessment information. The individual elements are defined measures appropriate proposed. Three case studies detailed results conclude that volunteered depends on both context content.