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Published May 19, 2022 | Version 1.0.0
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Requirements Quality Factor Ontology

  • 1. Blekinge Institute of Technology
  • 2. University of Hamburg
  • 3. University of Cologne


We investigated a previously published set of research articles concerned with requirements quality, extracted quality factors and other relevant elements from eligible publications, and iteratively constructed an ontology of quality factors for natural language requirements. The documentation of the process, the resulting data set, and a web application to visualize the results are contained in this artifact bundle.


This is the first version of the requirements quality factor ontology. Certain parts, in specific the data and structure of the ontology itself, are meant to be live-extensible and will be maintained at


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