<http://webisa.webdatacommons.org/290717183>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<stackoverflow.com> .
<http://webisa.webdatacommons.org/290717183>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/122088002>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/290717183> .
<http://webisa.webdatacommons.org/290717183>	<http://www.w3.org/ns/prov#value>	"Here I assume that vector is a data.frame like this :" .