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. 2009 Jan 21;10:28. doi: 10.1186/1471-2105-10-28

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Copyright © 2009 Alexopoulou et al; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Subtype-aware signature calculation. The figure shows the path between the UMLS terms 'Body_Part_Organ_or_Organ_Component' and 'Amino_Acid_Peptide_or_Protein'. The edges describe relations between entities (in our case, the subtype-aware-signature and its sub-properties) and nodes consist of classes and relations of the ontology. 'Body_Part_Organ_or_Organ_Component' is a subsumption of 'Fully_Formed_Anatomical_Structure', which belongs to the signature of the relation 'produces'. This relation has as range 'Organic_Chemical' which is a super-class of 'Amino_Acid_Peptide_or_Protein'. The length of this path is 4.