=Paper=
{{Paper
|id=Vol-1829/iStar17_keynoteJAraujo
|storemode=property
|title=None
|pdfUrl=https://ceur-ws.org/Vol-1829/iStar17_keynoteJAraujo.pdf
|volume=Vol-1829
}}
==None==
<pdf width="1500px">https://ceur-ws.org/Vol-1829/iStar17_keynoteJAraujo.pdf</pdf>
<pre>
iStar Extensions: Looking Back and Thinking
              about the Future

 João Araújo (in collaboration with Enyo Goncalves & Jaelson Castro

                   Universidade Nova de Lisboa, Portugal
                         aditya.ghose@gmail.com



  Abstract. Recently the iStar modeling language has evolved to a new
  version (iStar 2.0), where this version joins the different variations of iStar
  and standardizes it. We believe that it is natural and necessary the core
  of iStar and any other language to evolve. Nevertheless, iStar has been
  extended many times, so it is time to research about iStar extensions.
  Extending a modeling language is to add new constructs or modify the
  old ones. According to the way new concepts are proposed, an extension
  can be developed using a light-weight or heavy-weight strategy.
  The first iStar extension was proposed 16 years ago (2001 - 2017). So,
  this talk reviews the existing iStar extensions by presenting a quantitative
  analysis and the perspectives of iStar researchers. Some challenges will
  be discussed such as extension mechanisms and a process to guide iStar
  extensions.

</pre>