Welcome to the User Requirements Notation (URN) Wiki!

User Requirements Notation (URN)

Standardization activities

• ITU-T, Recommendation Z.151 (10/18): User Requirements Notation (URN) - Language Definition
• ITU-T, Recommendation Z.150 (02/11): User Requirements Notation (URN) - Language Requirements and Framework
• URN Metamodel (version: 2012)
• URN Metamodel (version: 2008)

User Requirements Notation Virtual Library

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jUCMNav Tool

jUCMNav is an Eclipse plug-in that supports the editing and analysis of URN models. It is the only tool that integrates the GRL and UCM views. jUCMNav is a free, open-source Eclipse plug-in.

Other Tools

• OpenOME is a general, goal-oriented and agent-oriented modeling and analysis tool that supports GRL.
• Sandrila is a commercial set of stencils for Visio. Sandrila SDL supports the GRL notation.
• Updraft Code Explainer provides highly detailed, yet succinct, information for system architects and application developers and maintainers..
• ArchSync is UCM tool that helps architects to reconcile a scenario-based architectural description with its source code, as changes are being made on the code.
• PiStar is an open-source, online goal modeling tool for i* 2.0 (similar to GRL).
• UCM Navigator (UCMNav) is a multi-platform UCM tool developed between 1997 and 2005. It is still available but has been phased out in favor of jUCMNav.