bfo:quality                  a owl:Class.
ont:Temperature              a owl:Class; rdfs:subClassOf bfo:quality.
iof:MeasuredValueExpression  a owl:Class.
qudt:Unit                    a owl:Class.

<temperature1> a ont:Temperature.
<temperature-value-expression> a iof:MeasuredValueExpression;
  iof:isMeasurementValueOfAtSomeTime <temperature1>;
  qudt:unit unit:DEG_F;
  iof:hasSimpleValueExpression 98.6.
unit:DEG_F a qudt:Unit.  

#################### set arrow directions to match example-iof-puml. This is not necessary in most cases.

iof:isMeasurementValueOfAtSomeTime puml:arrow puml:left.
qudt:unit                          puml:arrow puml:right.
rdf:type                           puml:arrow puml:up-dashed.
rdfs:subClassOf                    puml:arrow puml:up-tri.
