About: http://webisa.webdatacommons.org/313341912

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	Then I think about (2) assigning id to paragraphs, e.g. SHA hash the paragraph as its unique id.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com