OGSA-DAI

Data used by scientists can be defined as one of two types - simple data files such as text files and images, or structured data such as XML or Oracle databases. Data of the second type can be managed by OGSA-DAI (Open Grid Services Architecture Data Access and Integration). The OGSA-DAI project was started to construct middleware that will help users access and integrate data from separate data sources via the grid.

OGSA-DAI features:

• Different types of data resource are supported
• Data queries and updates
• Transformation, compression and decompression of data
• Data delivery to other clients i.e. URLs, ftp, Gridftp
• Information on data resources exposed via a web service
• Extensibility of OGSA-DAI web services
• Platform and language independent at client end
• Standards based

Read more about OGSA-DAI