<http://webisa.webdatacommons.org/concept/single+photon_source_>	<http://www.w3.org/2000/01/rdf-schema#label>	"single photon source" .
<http://webisa.webdatacommons.org/concept/single+photon_source_>	<http://webisa.webdatacommons.org/ontology#hasHead>	"source" .
<http://webisa.webdatacommons.org/concept/single+photon_source_>	<http://webisa.webdatacommons.org/ontology#hasPreModifier>	"single photon" .