The Usability of Task Modeling Tools

Markel Vigo, Carmen Santoro, Fabio Paternò

Research output: Contribution to conferencePaperpeer-review

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User interface modeling tools can play a useful role for engineering interactive systems. However, little is known about how these tools are used, the strategies and workarounds employed, and whether usability problems are encountered. To start answering this question, we run a user study with software engineers carrying out task modeling activities. The analysis of the data generated by an instrumented CTTE and an eye-tracker uncovers five workflows that illustrate how the task model hierarchy is populated and edited, operators are added to tasks, and when model consistency is checked. These findings inform design implications for task modeling tools and formulate hypotheses for future work.
Original languageEnglish
Publication statusAccepted/In press - 27 Jun 2017
EventIEEE Symposium on Visual Languages and Human-Centric Computing, VL/HCC 2017 - Raleigh, United States
Duration: 11 Oct 201714 Oct 2017


ConferenceIEEE Symposium on Visual Languages and Human-Centric Computing, VL/HCC 2017
Abbreviated titleVL/HCC
Country/TerritoryUnited States
Internet address


  • log mining
  • eye tracking
  • usability
  • task modeling tools


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