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F. Karimipour, R. Esmaeili, G. Navratil:
"Cartographic Representation of Spatial Data Quality Parameters in Volunteered Geographic Information";
in: "26th International Cartographic Conference - Proceedings", M. Buchroithner et al. (ed.); issued by: International Cartographic Association; International Cartographic Association, 2013, ISBN: 978-1-907075-06-3, Paper ID 61, 12 pages.

Volunteered geographic information (VGI) are constantly being added, edited or removed by the users, so their quality is not static. As VGI users do not necessarily have high spatial knowledge, system administra-tors control the quality of information in order to provide the users with the appropriate datasets. However, quality of spatial data has several parame-ters, so the appropriate data may differ from one application to another. Unlike the geographic communities, presenting the standard metadata statements is not so efficient, as they may not be familiar for VGI users. In this paper, we propose providing VGI users with the spatial data quality parameters through simple cartographic representations and let them de-cide on appropriateness of the datasets for the application at hand. The us-ers select the desired quality parameters as well as the visualization element (e.g. color, line thickness, intensity, style, etc.) to classify the datasets. The datasets are represented by the selected element based on their metadata information, which help the users to visually evaluate the quality of da-tasets.

Volunteered geographic information (VGI) are constantly being added, edited or removed by the users, so their quality is not static. As VGI users do not necessarily have high spatial knowledge, system administra-tors control the quality of information in order to provide the users with the appropriate datasets. However, quality of spatial data has several parame-ters, so the appropriate data may differ from one application to another. Unlike the geographic communities, presenting the standard metadata statements is not so efficient, as they may not be familiar for VGI users. In this paper, we propose providing VGI users with the spatial data quality parameters through simple cartographic representations and let them de-cide on appropriateness of the datasets for the application at hand. The us-ers select the desired quality parameters as well as the visualization element (e.g. color, line thickness, intensity, style, etc.) to classify the datasets. The datasets are represented by the selected element based on their metadata information, which help the users to visually evaluate the quality of da-tasets.

Volunteered geographic information (VGI), spatial data quali-ty, visual representation