About: http://webisa.webdatacommons.org/449262201

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	bash - Why cat, grep and other commands can not understand files starting with minus sign? - Unix & Linux Stack Exchange
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com