About: http://webisa.webdatacommons.org/112166183

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	You fix a positive integer k, and you take a random step of 1 or -1 at each stage, except if that stage is a multiple of k, in which case you get to choose.
http://www.w3.org/ns/prov#wasQuotedFrom	mathoverflow.net