Editorial: Quality is the Future of Geoprocessing John Herring Editorial Introduction Pages: 323 - 325
Graphical Information Portals—The Application of Smart Maps in G≻eoN≻et 4D Gertraud PeinelThomas Rose OriginalPaper Pages: 327 - 344
Progressive Transmission of Vector Map Data over the World Wide Web Michela BertolottoMax J. Egenhofer OriginalPaper Pages: 345 - 373
Spatio-Temporal Modeling in Video and Multimedia Geographic Information Systems Niki PissinouIvan RadevKia Makki OriginalPaper Pages: 375 - 409