<http://webisa.webdatacommons.org/prov/508071059>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/264117937> .
<http://webisa.webdatacommons.org/prov/509130906>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/264117937> .
<http://webisa.webdatacommons.org/264117937>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/264117937>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/264117937>	<http://www.w3.org/ns/prov#value>	"Other gases such as hydrogen sulfide and ammonia have been sensed with a Pd-gate MOS structure." .