About: http://webisa.webdatacommons.org/441544803

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	A similar pattern would be selecting a word and clicking/tapping the tag button, which would be especially handy for tags longer than a single word.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com