External namespaces and terms
Most applications using VF will need terms defined in various other vocabularies. In fact, some of these are essential to the complete ValueFlows model. Below are the essential elements we are reusing from well established vocabularies (web ontologies).
- A list of units can also be found here. Each subclass on this page has an additional list of units.
- VF will use (at least)
om2:symbolas properties of Units.
- See note at the end of Flows regarding display of unit
Some useful constructs, others here: https://www.w3.org/TR/owl-time/#topology, see the Interval Relations.
vf defines property chain axioms for
vf:hasPointInTime as slight variant
of Alignment of PROV-O with OWL-Time.