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. 2018 Jul 23;18(Suppl 2):41. doi: 10.1186/s12911-018-0636-4

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© The Author(s). 2018

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. 9 — A SPARQL query that lists all patients in FCDS whose marital statuses were single leveraging the grouping logics encoded in OCRV, where (a) is the graphical representation, (b) is the SPARQL query, and (c) shows the query results