A definition-by-example approach and visual language for activity patterns in engineering disciplines

Autoři: Mario Janke aff001;  Tobias Kuschke aff001;  Patrick Mäder aff001
Působiště autorů: Software Engineering for Safety-critical Systems Group, Technische Universität Ilmenau, Ilmenau, Germany aff001
Vyšlo v časopise: PLoS ONE 15(1)
Kategorie: Research Article
doi: https://doi.org/10.1371/journal.pone.0226877


Modeling tools are well established in software development. A model is the result of a series of modeling activities. The ability to recognize when a user is working on a certain modeling activity opens up a range of possibilities for context-sensitive support. One possible way to support the user is offering the auto-completion of the current task. The recognition of modeling activities is typically carried out by matching event patterns against events emitted by a user’s editing operations. A user that intends to add or customize auto-completions must be able to easily understand and create activity definitions. However, defining the currently required complex event patterns is a challenging and error-prone task even for a person with an intensive knowledge of event-processing languages. In this paper, we propose the visual definition language VisPaRec accompanied by a method that allows creating activity definitions in a semi-automated and graphical way. We evaluate our visual definition language in a comparative user study against the generic event-processing language Rapide. We found that the proposed visual representation increases comprehensibility while reducing time for constructing and modifying activity definitions significantly.

Klíčová slova:

Computer software – Engines – Language – Programming languages – Software development – Swimming – Syntax – Vision


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