About: http://webisa.webdatacommons.org/200134525

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	Therefore, if there is a possibility of confusion of the meaning of must, I think that have to is preferred when you mean a necessity.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com