About: http://webisa.webdatacommons.org/428039209

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	From what I understand, this is one of the aspects which makes data.table so ultrafast compared to other methods.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com