6Armenakis C,L,C,E.Papanikolaou.2002,Change detection methods for the revision of topographic databases[C]//in Symoposium on Geospatial Theory.Processing and Application.2002,Ottawa.
7Cooper,A.and Peled,A,2001,Incremental Updating and Versioning[C]//Proceedings of the 20th International Cartographic Conference,pp.2806-2809,Beijing,August,2001.
8Heipke,Christian,2002,Requirements for modern GISs[C]//In:Proceedings of ISPRS Commission II Symoposium,CHEN Jun,JIANG Jie Eds,pp.173-179,Xi'an,Aug.20-23,2002.
