<http://webisa.webdatacommons.org/68402389>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/68402389>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<biomedcentral.com> .
<http://webisa.webdatacommons.org/prov/116541466>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/68402389> .
<http://webisa.webdatacommons.org/68402389>	<http://www.w3.org/ns/prov#value>	"Again, the random.details object is a data.frame that contains a sketch of the call stack at the time a random number generation operation" .