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. 2016 Jul 7;16:81. doi: 10.1186/s12911-016-0325-0

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© The Author(s). 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 3 — Result of the semantic testing of the requirements matrix. Part of the MS Excel sheet representing the requirement matrix is shown used for filtering the values of the requirement dimensions. Requirements were validated by calculation from the matrix using filtering