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{{Short description|Graphical diagram notation}}
'''Goal structuring notation''' (GSN) is a graphical diagram notation used to show the elements of an [[argument]] and the relationships between those elements in a clearer format than plain text.<ref name="gsn3" /> Often used in [[safety engineering]], GSN was developed at the University of York during the 1990s to present [[safety case]]s.<ref name="Kelly1998" /> The notation gained popularity as a method of presenting safety assurances but can be applied to any type of argument and was standardized in 2011.<ref name="gsn3" />
GSN has been used to track safety assurances in industries such as clinical care<ref name="GeRijoPaige2012">{{cite journal | last1 = Ge | first1 = Xiaocheng | last2 = Rijo | first2 = Rui | last3 = Paige | first3 = Richard F. | last4 = Kelly | first4 = Tim P. | last5 = McDermid | first5 = John A. | title = Introducing Goal Structuring Notation to Explain Decisions in Clinical Practice | journal = Procedia Technology | date = 2012 | volume = 5 | pages = 686–695 | issn = 2212-0173 | doi = 10.1016/j.protcy.2012.09.076 | pmid = | url = | doi-access = free }}</ref> aviation,<ref name="nimrod-review" /> automotive, rail,<ref name="GSNinfo">{{cite web |last=Cabot |first=Jordi |date=12 February 2014 |url=https://modeling-languages.com/goal-structuring-notation-introduction/ |title=Goal Structuring Notation – a short introduction |website=Modeling Languages |access-date=21 June 2018}}</ref> traffic management, and nuclear power<ref name="Spriggs2012">{{cite book |last=Spriggs |first=John |title=GSN - The Goal Structuring Notation |date=2012 |publisher=Springer London |doi=10.1007/978-1-4471-2312-5 |isbn=978-1-4471-2311-8 |url=https://link.springer.com/book/10.1007/978-1-4471-2312-5}}</ref> and has been used in other contexts such as security cases, [[patent claim]]s, [[Debate team|debate strategy]], and legal arguments.<ref name="GSNinfo" />
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