NOTE: There are no XSD files associated with
The current version is found at http://www.omg.org/spec/UML/Current
Please note that version 2.1 was never
released as a formal specification.
This version (2.4.1) has been formally published by
ISO as the 2012 edition standard: ISO/IEC 19505-1 and 19505-2.
This version (1.4.2) has been formally published by
ISO as the 2005 edition standard: ISO/IEC 19501
Main OMG Spec