About: http://webisa.webdatacommons.org/25605237

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	G is a directed graph and we need to detect,if there is a cycle in G
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com