About: http://webisa.webdatacommons.org/453809803

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	Interestingly, 3 vs 4 is a case where calling the vectorized function in R directly is faster than writing a loop in C++, but the new vectorized API in Rcpp is the fastest option by far.
http://www.w3.org/ns/prov#wasQuotedFrom	r-bloggers.com