About: http://webisa.webdatacommons.org/100509172

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 have heard (and experienced personally) many of them, from NPCs disappearing of the map entirely to freezes during zone transfers, while some bugs, such as graphical glitches, are forgivable.
http://www.w3.org/ns/prov#wasQuotedFrom	ps3trophies.com