About: http://webisa.webdatacommons.org/30963662

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	You have mentioned some of the things to look for including awkward sentence structure and poor grammar, but I have also experienced those who clearly just want to share their links to their websites.
http://www.w3.org/ns/prov#wasQuotedFrom	typepad.com