1. User Application Main/Application Mediator Spatial Mediator Other Mediator Wrapper GIS Image Database Others MIX

2. GIS Application GIC 1 Translator / Wrapper Mediator 1 GIS Application GIC 2 Translator / Wrapper Mediator 2 GIS Application GIC n Translator / Wrapper Mediator n Mediator GeoNis Server Metadata Shared Database TLOntology INTERNET ORCHIDEA GeoNis

3. Users Experts Applicatio n Dev Class Dev Ontologies Classes Ontology Translator Ontology Translator Ontology Translator Class Browser GIS Application Applications Ontology Server Mediators Specifications Classes Information Sources Ontologies Framework of ODGISBasic Components of ODGIS

4. define domain of interest common ontology federated schema context information define associate map design context information local schema export schema design map associate MAP RESOLVE Proxy Context Context Proxy Context SemWeb

5. semantic translator KB Client KB Local DB semantic translator KB Information resources KB Local DB Client Module Prov Module internet Web Server SemWeb Java ODBC Resources Discovery Server Metadata Components SemWeb

6. CLIENT land cover hydrology semantic translator for soil Global Server Level land cover translator Local Server LDB land cover hydrology translator Local Server LDB hydrology soil translator Local Server LDB soil MLDSS SemWeb

7. APPOINT Server APPOINT Client n APPOINT Client 2 APPOINT Client 1 APPOINT Client Data Arrives Request Peer Info Forwarded Request The API for server side: Start(serverPortNo) makeFileAvailable(file,location,bollean) Callback receivedFile (file, location) Callback errorReceiving Gile (file, cocation, error) Stop() The API for client side: Start(clientPortNo, serverPortNo, serverAddress) makeFileAvailable(file,locakton, boolean) receiveFile(file, location) sendFile(file,locationO Stop() APPOINT

8. IScape Builder IScape Execution Knowledge Base Personalization Agent P2P Network Knowledge Space Construction, Navigation and Search Keywords Share Ontologies Related Ontologies Re-rank PSW InfoQuilt