About: http://webisa.webdatacommons.org/85943696

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 Graph theorethical answer to your question, as others pointed out, is that a DAG can not be converted to a tree, while every tree is a DAG.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com