About: http://webisa.webdatacommons.org/181141547

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	The following is a description of random weighted selection of an element of a set (or multiset, if repeats are allowed) without replacement in O(n) space and O(log n) time.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com