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The field of use of Data Mining is hard to narrow and also the representation of the process is very abstract. The Predictive Model Markup Language (PMML) is a

standard exchange format by DMG for the process itself and the structure of the needed data, so that the compability of different software developer is maximized.


PMML follows a XML-Scheme which can be found on the Homepage of DMG  http://dmg.org/pmml/v4-3/GeneralStructure.html

 Das Austauschformat folgt einem
XML-Schema, welches auf der Homepage von der
DMG\footnote{DMG Homepage \url{http://dmg.org/pmml/v4-3/GeneralStructure.html}}
eingesehen werden kann. Da der Standard mittlerweile (aktuell in v4.3, Stand
April 2017) über 700 Sprachelemente verfügt, wird hier des Umfangs halber darauf
verzichtet auf alle einzugehen und viel mehr der grundlegende Aufbau gezeigt.

PMML can be enhanced at a lot of (nearly all) elements. These enhancements are added as extensions to child-elements at the appropriate elements. Further information can be found on http://dmg.org/pmml/v4-3/GeneralStructure.html#xsdElement_Extensionfound here.

The XSD for an extension provides own elements:

...