About: http://webisa.webdatacommons.org/110175912

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	he is a good concise summary of the potential differences, but in practice I think OP's "snow examples are a case where there is no difference in meaning between the three versions anyway.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com