<http://webisa.webdatacommons.org/concept/_change_in+ph>	<http://webisa.webdatacommons.org/ontology#hasPostModifier>	"in ph" .
<http://webisa.webdatacommons.org/concept/_change_in+ph>	<http://www.w3.org/2000/01/rdf-schema#label>	"change in ph" .
<http://webisa.webdatacommons.org/concept/_change_in+ph>	<http://webisa.webdatacommons.org/ontology#hasHead>	"change" .