Present Status of Metbroker APAN Honolulu 2004 Seishi Ninomiya snino@affrc.go.jp National Agricultural Research Organization 5時24分
Solution by Data Broker Database heterogeneity is a big issue in distributed environments Data brokers provide consistent access to heterogeneous DBs APAN Honolulu 2004 Heterogeneous DBs Meta Data A-DB Rice Growth Prediction Farm Management MetBroker Pesticide Prediction Heterogeneity is absorbed by brokers (mediators) B-DB C-DB D-DB 5時24分
Data Brokers Developed Meteorological DBs MetBroker(14DB, >6000 stations) Map DBs ChizuBroker(3DB,Japan,NZ,World) Digital Elevation DBS DEMBroker(2DB,Japan 50m, World 1Km) Soil DBs SoilBroker APAN Honolulu 2004 5時24分
New Architecture of Brokers Clients ChizuBroker MetBroker DEMBroker RMI or HTTP with wrapper servelet APAN Honolulu 2004 Resource Server Country Server WebService-SOAP/XML Tight linkage based on Java objects XML-based Loose linkage 5時24分
Field Server linked to MetBroker Client APP APAN Honolulu 2004 アプリケーション アプリケーション アプリケーション アプリケーション Weather DB 気象 気象 W 気象 DB DB DB DB Client APP アプリケーション アプリケーション アプリケーション アプリケーション 気象 気象 気象 気象 Weather DB DB DB DB DB MetBroker MetBroker MetBroker MetBroker MetBroker アプリケーション アプリケーション アプリケーション アプリケーション Client APP 気象 気象 気象 気象 Weather DB DB DB DB DB FS Weather DB 気象 気象 気象 気象 DB DB DB DB Weather Data XML FieldServerDB FieldServerDB FieldServerDB FS Data Archive Station Conf. XML 5時24分
Interpolation Service APAN Honolulu 2004 WebService Client SOAP over HTTP DEMBroker DEM Broker RMI DB DB Interpolation SOAP Interpolation MetBroker DB DB SOAP MetBroker DB DB 5時24分
Thank you for your attention www.agmodel.org www.agmodel.net APAN Honolulu 2004 Thank you for your attention www.agmodel.org www.agmodel.net 5時24分