7The OGC Technical Committee. 1998, The OpenGlS??? Introduction to Interoperable Geoprocessing and the OpenGIS Specification(3rd edition)[ EB/OL]. http://www. opengis. org/techno/guide/guide980615/.
9Open GIS Consortium. The OGC lnteroperability Standard Operating Program Policies Processes and Procedures (1P SOP3 ) Version 1[ EB/OL]. 1999. http://www. opengis. org/docs/03 -039. pdf.