Table for the 4 triples for predicate provx:cwd in graph http://localhost:3022/prov_portal_copy

Subject	Object
provx:385deae20e14:/opt/project/	?:file:///opt/project/
provx:856ba5538cab:/opt/project/	?:file:///opt/project/
provx:f4179d5aa3b9:/opt/project/	?:file:///opt/project/
provx:pip.ia.cwi.nl:/export/data1/docker-stuff/talk_of_europe_demo/	?:file:///export/data1/docker-stuff/talk_of_europe_demo/