· An introduction to URN presented at the ITU-T Workshop on "Framework and scope of formal languages", 2 March 2002

· An illustrated overview of the Use Case Maps path data model, scenario definitions, and path traversal mechanism, with remaining issues, February-March 2002, SG 17 meeting

· An overview of URN’s current support for time and performance annotations/analysis

· An introduction to the Goal-oriented Requirements Language, Ottawa, April 2001

· An introduction to the Use Case Maps notation, Ottawa, April 2001

· A Discussion and illustration of a mechanism for the generation of Message Sequence Charts from Use Case Maps, Ottawa, April 2001