'''Goal Structuringstructuring Notationnotation''' is a graphical argument used to document and present proof that safety goals have been achieved in a clearer format than plain text.<ref>Ge, Xiaocheng ''et al'' (2012), "[https://www.sciencedirect.com/science/article/pii/S2212017312005075 Introducing Goal Structuring Notation to Explain Decisions in Clinical Practice]," ''Procedia Technology'' vol 5, p686-695. Retrieved June 21, 2018</ref> The notation is a diagram that builds its [[safety case]] through logic-based maps.<ref>Rich, K.j.n.c, ''et al'' (October 22, 2007), "[https://ieeexplore.ieee.org/document/4399936/ The Use of Goal Structuring Notation as a Method for Ensuring that Human Factors is Represented in a Safety Case ]," ''IEEE Xplore''. Retrieved June 21, 2018</ref> Originally developed at the University of York during the 1990s,<ref>The Assurance Case Working Group (January 2018), "[https://scsc.uk/r141B:1 Goal Structuring Notation Community Standard Version 2]," Retrieved June 25, 2018</ref> it gained popularity in 2012 and has been used to track safety assurances in industries such as traffic management and nuclear power.<ref>Spriggs, John (2012), ''[https://www.springer.com/us/book/9781447123118 GSN - The Goal Structuring Notation]''. Retrieved June 21, 2018</ref> By 2014, it had become the standard format for graphic documentation of safety cases and was being used in other contexts such as [[patent claim]]s, [[ Debate team|debate strategy]], and legal arguments.<ref>Cabot, Jordi (February 12, 2014), "[https://modeling-languages.com/goal-structuring-notation-introduction/ Goal Structuring Notation – a short introduction]," ''Modeling Languages''. Retrieved June 21, 2018</ref>