Title: A Web Processing Service for Validating Interpolation
Authors: MENDES DE JESUS Jorge SamuelBARILLEC RemiDUBOIS GregoireCORNFORD Dan
Citation: Proceedings of the StatGIS2009: GeoInformatics for Environmental Surveillance p. 1-6
Publisher: Alpen-Adria-Universität Klagenfurt
Publication Year: 2009
JRC N°: JRC51492
URI: http://www.math.uni-klu.ac.at/stat/Tagungen/statgis/2009/
http://publications.jrc.ec.europa.eu/repository/handle/JRC51492
Type: Contributions to Conferences
Abstract: An interoperable web processing service (WPS) for the automatic interpolation of environmental data has been developed in the frame of the INTAMAP project. In order to assess the goodness of the interpolation method implemented, a validation WPS has also been developed. This validation WPS can be used to undertake leave one out and K-fold cross validation: a full dataset is submitted and a range of validation statistics and diagnostic plots (e.g. histograms, variogram of residuals, mean errors) is received in return. This paper presents the architecture of the validation WPS and a case study is used to briefly illustrate its use in practice. We then discuss how this work might relate to issues of utility and cost / loss in specific scenarios. We conclude with a discussion on the current limitations of the system and make proposals for further developments
JRC Institute:Institute for Environment and Sustainability

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