About: http://webisa.webdatacommons.org/53998607

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	So you can see it supports operators such as AND, OR, NOT, IN, =, <>.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com