About: http://webisa.webdatacommons.org/36516393

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	It is normally re-shown on mouse move, however it appears that the popup handles this event while it is checking whether it should hide or not, so the pointer stays hidden as you move it around the window.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com