<http://webisa.webdatacommons.org/prov/201127976>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/151667403> .
<http://webisa.webdatacommons.org/151667403>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/151667403>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<bsc.es> .
<http://webisa.webdatacommons.org/151667403>	<http://www.w3.org/ns/prov#value>	"In this area, many new challenges have appeared such as accessing the data in an efficient way or enabling the sharing of this data while guaranteeing the control on the usage to the owner of the data." .