The modern approach is to use mobile devices in the enterprise infrastructure. But such client requires access to large amounts of data, but the have small size of the memory on the device. Also the topicality and confidentiality of data require centralized storage of it. Connection to different types of database with data you want to get requires a middleware data model mapping. Odata protocol provides mechanisms for data access allows remaping of data, and provide selective access to data.
distributed data processing, REST, data remapping, OData protocol