Added support for for loose coupling the minor schema versions with backward and forward compatible processing.

See MXV loose coupling for details.

2011 July

Released MXV Productivity Tools enhancements v3.2

Updated the MXV Example document, available at

  A practical example: Model-driven Semantic Interoperability using Open Standards and MXV design and Productivity Tools

2011 January

Developed an MXV plugin which generates a Test Case Matrix for each document schema.

The populated matrix can be used to generate XML instance documents (using third party products) for testing purposes.

2010 October

Released MXV Productivity Tools v3.0:

Added support for MXV NDR 2.1, in line with OASIS UBL NDR 2.1 (*), replacing the prior version MXV NDR 2.0.

See the above links for details.

2010 August

Added support for OASIS Genericode 1.0 and OASIS Context Value Association 1.0, replacing the prior draft versions 0.8 of OASIS standards.

See XML Value Validation for details.

2010 April

Released MXV with verified support for PowerDesigner 15.2

2010 March

Preliminary work has begun on MXV NDR 2.1, in line with OASIS UBL NDR 2.1 (*)

2010 February

Released MXV Productivity Tools enhancements v2.3

2009 November

Released Part 4 of the MXV Productivity Tools: Improved management of Value Validation artefacts:

- Create a new Genericode file version from an existing GC file

- Import lists and contexts from a preceding ContextValueAssociation file version

- Import patterns and rules from a preceding Business Constraints Schematron file version

2009 September

Upgraded, tested and released MXV to support Sybase PowerDesigner 15.1 and 15.0

2009 April

Presented the MXV methodology and its implementation at the New Zealand Ministry of Education to ICT representatives who convened at New Zealand State Services Commission. See here for slides

2009 March

Published the free MXV Demo Video for download

2009 February

Released Part 3 of the MXV Productivity Tools:

- Create a Delivery Package

- Migrate document schema related Artefacts to Specification Status

- Create a new W3C document schema model

2009 February

Released a free MXV Example download, including sample models, customisations and a free 30 day trial license for MXV Productivity Tools

2009 January

Released Part 2 of the MXV Productivity Tools with a license to Ministry of Education:

- Merge class from extension UML model into master UML model

- Merge XML view from one XML model into another

- Clone XML view

2008 January

Released Part 1 of the MXV Productivity Tools with a license to Ministry of Education:

- Create new UML or W3C XML Schema Library model version

- Auto-populate W3C XML Schema Library model

- Verify completeness of W3C XML Schema Library model

- Sort W3C XML Schema model items

- Migrate W3C XML Schema model from draft to specification status

2007 December

Published the documentation of the MXV Example:

A practical example: Model-driven Semantic Interoperability using Open Standards and MXV design and Productivity Tools

2007 onwards

MXV-based W3C XML Schema implementations at the New Zealand Ministry of Education (>20 to date)

2007 January

New Zealand Ministry of Education formally approved the ESL (=MXV) methodology

2006 November

Incorporated into MXV the OASIS Value Validation (Genericode, Context Value Association, ISO Schematron), including Crane Softwright's  CVA to Schematron implementation

2006 August

Released MXV NDR 2 documentation

2006 August

MXV Prototype II (based on UBL NDR 2.0) confirms that Prototype I issues have been resolved, making NDR 2.0 ready for deployment.

2006 May

Proof-of-concept for MXV-based customisations for Sybase PowerDesigner

2006 February

MXV Prototype I (based on UBL NDR 1) identifies great potential, but found issues with UN data types, schema versioning, code value validation, business rule validation and tool support. Deployment is deferred until issues are resolved.

2005 March

Started researching W3C XML Schema design standards for enterprise model-driven development of standardised W3C XML Schemas which share and re-use components

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(*) UBL NDR 2.1: Please note that as of November 2012 the UBL NDR 2.1 document has not been published yet. At this stage, MXV emulates UBL NDR 2.1. A detailed comparison of UBL NDR 2.1 rules against MXV will be made available once the UBL NDR 2.1 document has been finalised.