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Physical Properties of Biological Entities: An Introduction to the Ontology of Physics for Biology

Figure 1

OPB main classes.

The top-most OPB class is OPB:Physical analytical entity (at the right) which has, following a suggestion by Maxwell [31], subclasses OPB:Physical domain, OPB:Physical property, and OPB:Physical property attribute (center) with subclasses of each shown at the left. Each OPB:Physical property class is assigned to one or more OPB:Physical domain classes (by a hasPhysicalDomain relation; gray arrow) and to one or more OPB:Physical property attribute classes (by hasPropertyAttribute relations).

Figure 1

doi: https://doi.org/10.1371/journal.pone.0028708.g001