2 1 0 http://semanticscience.org/resource/SIO_001013 age 'age' SubClassOf 'count' 'age' SubClassOf 'dimensional quantity' http://semanticscience.org/resource/SIO_000391 time measurement 'time measurement' SubClassOf 'has value' some http://www.w3.org/2001/XMLSchema#dateTime http://semanticscience.org/resource/SIO_001354 week 'week' SubClassOf 'time interval'