3Y.Bishr.Overcoming the semantic and other barriers to GIS interoperability[J].International Journal of Geographic Information Science,1998,12(4):299-314.
4ESRI White Paper.Interoperability in Enterprise GIS[EB/OL].2005.http://www.esri.con/library/whitepapers
5IBM Redbook.Patterns:Service-Oriented Architecture and Web Services[EB/OL].2004.http://www.redbooks,ibm.com/red -books.nsf/redbooks/
6Roger A Longhorn.Geospatial Standards,Interoperability,Metadata Semantics and Spatial Data Infrastructure[C]//background paper for NIEeS Workshop on ActivatingMetadata,6-7 July 2005,Cambridge,UK.
7ESRI White Paper.Spatial Data Standards and GIS Interoperability[EB/OL].2003.http://www.esri.com/library/whitepapers
8ESRI White Paper.Spatial Data Standards and GIS Interoperability[EB/OL].2003.http://www,esri.com/library/whitepapers/pdfs/spatial-data-standards.pdf
9Open GIS Consortium (OGC).OpenGIS Abstract Specification-Topic 12:OpenGIS Service Architecture,Version 4.3[S].2002.
