Distinct subjects for predicate rdfs:subPropertyOf in graph observe sorted by frequency

Resource	Count
<http://semanticweb.cs.vu.nl/observe/crowdedness>	1
<http://semanticweb.cs.vu.nl/observe/museums-nearby>	1
<http://semanticweb.cs.vu.nl/observe/sunshine>	1
<http://semanticweb.cs.vu.nl/observe/temperature>	1