To see what it does, you can point PROV-O-Viz to your own SPARQL endpoint, containing Named Graphs with PROV-O activities and entities in it.
Alternatively, you can simply copy and paste some of PROV-O in Turtle format in the Paste-And-Go form.
You can also POST PROV-O in Turtle format to the PROV-O-Viz service, and we'll return a self-contained HTML snippet for you to include in your website.
graph_uriparameter (a URI that identifies your provenance graph), and
dataparameter that contains a Turtle serialization of a PROV-O graph
Thanks go to the most excellent D3.js library for the Sankey diagram used on this page.