About: http://webisa.webdatacommons.org/3719872

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	Also pretending that you have another layer somewhere e.g. geom_tile or something as you mentioned in your comment, here is an example with an extra geom_line layer which I have broken down into separate components to make it clear:
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com