http://www.w3.org/ns/oa#hasBody
https://w3id.org/bufalinis-notebook/excerpt/bibl098c
http://www.w3.org/ns/oa#hasTarget
https://w3id.org/bufalinis-notebook/citation/dante-purgatorio-1b
http://www.w3.org/ns/oa#motivatedBy
https://w3id.org/bufalinis-notebook/quotation
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/oa#Annotation