Study on Remotely Sensed Data Access and Integration Grid-enabled Middleware

Every day, space missions involve the download, from space to ground, of many raw images that are stored in the ground station. These data are stored in geographically distributed and heterogeneous database systems, which make these resources access and share difficult. Data grid technique can hide the difference of storage systems and makes the isolated data resources be shared in the grid environment. This paper describes OGSA-DAI module, which is based on the data grid technique and studies the remotely sensed data access and integration middleware, especially the technology of developing middleware to deal with large binary remotely sensed data