About: http://webisa.webdatacommons.org/362875828

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Working back from that description, if you have experience in programming in languages other than Perl, you should be able to figure out what the advantages are of Ruby over Perl and vice-versa.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org