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Fig. 4 | BMC Medical Informatics and Decision Making

Fig. 4

From: An ontology-guided semantic data integration framework to support integrative data analysis of cancer survival

Fig. 4

The representation of the n-ary relation pattern among patient, diagnosed tumor type, and date of diagnosis, where (a) illustrates how a patient A links to a breast cancer diagnosis, (b) is a graphical representation of the diagnosis relation contains not only the diagnosis "breast cancer" but also a timestamp for the date of diagnosis, (c) shows on the instance level how a patient A, her diagnosis of breast adenocarcinoma, and the diagnosis date are connected, and (d) shows how owl:Restriction is used to implement this n-ary relation

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