About: http://webisa.webdatacommons.org/182303297

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	You presumably set EDITOR (or VISUAL) to vim in your init file, but have no such setting when running as root, so you are seeing the vi mode map, in which history search is on ^X r and ^X s.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com