About: http://webisa.webdatacommons.org/189662895

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	wrt Edit 2: Joda has the concept of an Interval which can test whether a date is contained or before/after, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com