<http://webisa.webdatacommons.org/138789023>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<ubc.ca> .
<http://webisa.webdatacommons.org/138789023>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/299901121>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/138789023> .
<http://webisa.webdatacommons.org/prov/341877430>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/138789023> .
<http://webisa.webdatacommons.org/138789023>	<http://www.w3.org/ns/prov#value>	"s, ground handling and other services also achieve high efficiency.???" .