3LEVINSOI-IN A. Geospatial Interoperability: The Holy Grail of GIS, GeoEurope [ EB/OL]. http://www. geoplace. com/gw/2000/1000/1000data, asp,2008-02-01.
4ESRI White Paper. Spatial Data Standards and GIS Interoperability [ EB/OL ]. http://www. esri. com/library/ whitepapers/pdfs/spatial-data-standards, pdf,2003-01-09.
5ESRI White Paper. Spatial Data Standards and GIS Interoperability [ EB/OL]. http://www. esri. cow/library/ whitepapers, 2003-02-02.
6ESRI White Paper. Interoperability in Enterprise GIS [ EB/OL ]. http ://www. esri. com/library/whitepapers, 2005-05-06.
7FGDC. Content Standard for Digital Geospatial Metadata (CSDGM) [EB/OL]. Federal Geographic Data Committee, http ://www. fgdc. gov/metadata/contstan, html,2000-07-01.
8GONG Jian-ya, SHI L, et al. Technologies and Standards on Spatial Data Sharing [ A ]. Proceedings of ISPRS, 2004[C]. [s. l. ]:[s. n. ], 2004.
9IBM Redbook. Patterns: Service-oriented Architecture and Web Services[ EB/OL]. http://www. redbooks, ibm. com/ redbooks, nsf/redbooks/,2004-08-08.