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Horak, J. (author), Jurikovska, L. (author), Umlauf, M. (author), Jezek, J. (author), Hanzlova, M. (author), Zlatanova, S. (author)The process of data harmonization starts with a description of data sources and mapping of differences among heterogeneous source and target data sets. The semantic differences usually include incompatible data schemas (structures, different data types, domains etc.) and differences in content (different values for the same entity). While the...conference paper 2011
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Quak, C.W. (author), Janssen, P. (author), Reuvers, M. (author)In 2005 a base model for geographic information in the Netherlands was published named NEN 3610. The model consist of a modeling framework (based on the ISO19100 series) and a collection of extensible base classes. In the following years many organizations have built their models in conformance to this base model (IMRO, TOP10NL, IMTOP, IMWA,...conference paper 2009
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Lemmen, C.H.J. (author), Van Oosterom, P.J.M. (author), Uitermark, H.T. (author), Thompson, R.J. (author), Hespanha, J.P. (author)In February 2008, FIG submitted the Land Administration Domain Model (LADM) to the International Organization for Standardization (ISO). After three meetings with the LADM/ISO19152 Project Team (in Copenhagen, Denmark, May 2008; in Delft, The Netherlands, September 2008; and in Tsukuba, Japan, December 2008) we are now preparing a Committee...conference paper 2009
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Vanmeulebrouk, B. (author), Van Swol, R. (author), Kuyper, M. (author), Bulens, J. (author), Zevenbergen, J.A. (author)As part of the national innovation co-funding scheme “Space for Geo-information” the project “GeoPortal Network: Liberty United” ran from late 2005 till the end of 2008. Purpose of the project was to promote access to geo-spatial information via web services. To achieve this goal, a network of geo-portals that is governed by a minimum set of...conference paper 2009