MDF is a framework for the creation of reusable metadata processing modules. The MDF specification defines a simple module interface and the processing model to be used by an MDF implementation. An application makes use of the MDF framework by connecting together a number of MDF modules to provide the desired processing functionality.
MDF has been designed strictly according to KISS and 80/20 principles. Both the interface for the modules and the means by which modules are combined has been deliberately kept as simple as possible. While this may mean that MDF is not applicable to all metadata processing applications, it is hoped that it can be useful in a large majority of cases.
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