About: http://webisa.webdatacommons.org/91530506

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	If a poem (or other literary work) was first written years before being made as an opera or other musical work, then I feel it should be considered a work in its own right.
http://www.w3.org/ns/prov#wasQuotedFrom	ala.org