TRAK Metamodel

The definition of the metamodel for TRAK (defines allowed AD elements and relationships i.e. tuples/ triples for the TRAK viewpoints and views). TRAK is a general systems-thinkers'/system engineering enterprise architecture framework. It is simple, user-friendly, pragmatic and not limited to IT. 100% triple-centric and semantically-sound. Forms basis for RDF + OWL ontology description - see https://trakmetamodel.sourceforge.io/vocab/TRAK_metamodel.html. Each TRAK metamodel element now has its own web page - see https://trakmetamodel.sourceforge.io/metamodel/index.html

Features

defines tuples / triples (declarative statements) that appear in TRAK viewpoints and views
metamodel triples designed to address architecture viewpoint concerns (and architecture view subject)
designed by systems engineers for others & based on need / typical application
supports simple, pragmatic, no nonsense, just "good enough" way of addressing typical concerns (not populating a data model)
metamodel (A3) for easy reference when modelling - see snapshot below for example - https://sourceforge.net/projects/trak/files/TRAK-on-a-page.pdf/download
defines each TRAK triple (node-connector-node) / statement / assertion in architecture description)
defines attributes/properties of each element e.g. Dublin Core, security descriptors, safety-related
provides tests for/against to determine what type to use when modelling using TRAK
defines colours/ presentation for each element
defines tuple set rules (combinations of paths)
provides rationale/justification for relationships
released under GNU Free Documentation License
written for users/architects/human beings - not specifiers or tool vendors
Overall rules/process at https://trak.sourceforge.io
designed to be used with TRAK Viewpoints document (https://trakviewpoints.sourceforge.io - also on Sourceforge
defines central (RDF + OWL) ontology description to enable TRAK architecture description as a knowledge graph (https://purl.org/trak/elements/#)
defines semantic sources / vocabulary basis for each element, property & value (semantics)
defines initial baseline against MODAF 1.2

Project Samples

Each TRAK metamodel element is defined in simple language - you don't need to be a technical priest!

TRAK Allows Architecture Task/Scope to be Described

Pragmatic Attributes Recognise Everyday Use / Needs

Defines Triples Used to Define TRAK Architecture View Content

SImple Understandable Metamodel is THE Defining Metamodel. The TRAK Metamodel Specification defines the user (solution-independent) requirements in accordance with typical systems engineering practice.

Project Activity

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License

GNU Free Documentation License

Follow TRAK Metamodel

TRAK Metamodel Web Site

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archbeast2 Posted 2011-01-31

Anonymous thumbs down reviews that simply ask a question "What's the point?" are not terribly reliable or encouraging. TRAK works for me because it offers a system-centric approach which in other frameworks is either missing or obscured by an overburdened metamodel.
jasilmon Posted 2010-10-08

I'm not hugely expert on metamodels but I understand from others that this one is, by comparison, very simple and generic. This must make it really useful for making the case for architectural modelling to organisations that need it but don't realise it yet...

Additional Project Details

Intended Audience

Aerospace, End Users/Desktop, Engineering, Government, Science/Research

Registered

2010-02-11

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