About: http://webisa.webdatacommons.org/277124720

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	Flickr and Yahoo Groups are extremely popular as well as being pretty useful -- and those sites in particular are pretty sticky, once those tools are used as intended, migrating away is a pain.
http://www.w3.org/ns/prov#wasQuotedFrom	metafilter.com