About: http://webisa.webdatacommons.org/256659735

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	??? Try basic troubleshooting procedures like changing to Twenty Twelve theme and deactivating plugins except BuddyPress and bbPress and let me know what happens.
http://www.w3.org/ns/prov#wasQuotedFrom	buddypress.org