INTEROPERABLE AND DISTRIBUTED PROCESSING IN GIS

By V. ELINK

CONTENTS I INTEROPERABILITY INTEROPERABILITY IN GEOPROCESSING OVERVIEW DATA MIGRATION INTEGRATION AND DATABASES DATA INTEGRATION AND GEOGRAPHICAL INFORMATION SYSTEMS GIS AND REMOTE SENSING SEMANTIC HETEROGENEITY DATA QUALITY METADATA SYSTEM INTEGRATION ENVIRONMENTAL DATA MANAGEMENT REVIEW VIRTUAL DATA SET INTEROPERABILITY IMPEDIMENTS SYNTACTICAL DIVERSITY SEMANTIC DIVERSITY OF GEOGRAPHIC INFORMATION DIVERSE INFORMATION COMMUNITIES MARKET FORCES APPROACHES FOR IMPROVEMENTS DATA DEFINITION LANGUAGES OBJECT-ORIENTED MODELS SEMANTIC ACCURACY OPEN GEODATA INTEROPERABILITY SPECIFICATION OPEN GEODATA MODEL SERVICES MODEL THE VIRTUAL DATASET CONCEPT II ESSENTIAL MODELS EXAMPLE: FIELD REPRESENTATIONS CONTINUOUS FIELDS MEASUREMENT OF FIELDS CURRENT REPRESENTATION TECHNIQUES CELL GRIDS POLYHEDRAL TESSELLATION SIMPLICIAL COMPLEXES LATTICE OR POINT GRIDS IRREGULAR POINTS CONTOUR MODELS CHARACTERISTICS OF THE DOMAIN CHARACTERISTICS OF THE RANGE ANALYSIS OF CONTINUOUS FIELD DATA IMPEDIMENTS MODELING UNCERTAINTIES INTRODUCTION UNCERTAINTIES WHAT IS UNCERTAINTY? BASIC CONCEPTS OF MODELING UNCERTAINTIES INFERENCE FROM UNCERTAIN PROPOSITIONS METHODS FOR THE MODELING OF UNCERTAINTY PROBABILITY THEORY INTERVAL METHODS FUZZY SETS DEMPSTER-SHAFER THEORY OF EVIDENCE ASSESSING THE UNCERTAINTY OF FUNCTIONAL EXPRESSIONS GAUSSIAN ERROR PROPAGATION MONTE CARLO METHODS OTHER TECHNIQUES DIGITAL REPRESENTATION NUMBERS, UNITS AND DIMENSIONS III IMPLEMENTATION CASE STUDIES POSTSCRIPT DOCUMENT STRUCTURING CONVENTIONS INDEPENDENCE LESSONS LEARNED INTERNET AND WORLD-WIDE WEB (WWW) INTERPROCESS COMMUNICATION AND NETWORK-LEVEL SERVICES SCALABILITY WORLD-WIDE WEB OPENNESS AND STANDARDIZATION PROCESSES STRATEGIES COMPONENT OBJECT MODEL INTERFACES FEASIBILITY COMMON OBJECT REQUEST BROKER ARCHITECTURE OTHER APPROACHES JAVA DESIGN GOALS MAIN FEATURES JAVA AS A DISTRIBUTED COMPUTING ENVIRONMENT EXAMPLES UNCERTAINTY REPRESENTATION A JAVA PACKAGE FOR UNCERTAIN VALUES: VDSVALUE INTERVALS PROBABILITY DISTRIBUTIONS HISTOGRAMS DIMENSIONED VALUES FIELDS A SIMPLE FIELD VDS AND USER INTERFACES CONCLUSION RETROSPECTIVE VIEW PROSPECTIVE VIEW REFERENCES