<http://webisa.webdatacommons.org/159604211>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/455307756>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/159604211> .
<http://webisa.webdatacommons.org/159604211>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<stackexchange.com> .
<http://webisa.webdatacommons.org/159604211>	<http://www.w3.org/ns/prov#value>	"- The call back is a function that takes the variable Marker (since the construction of Canvases can be asynchronous.)" .