About: http://webisa.webdatacommons.org/99890228

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	I do not know what is, I found it inside of all PHP files on my server, I think is a kind of virus or something else?, What do you think guys?.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com