About: http://webisa.webdatacommons.org/357319580

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	Nobody knows for sure other than Google and Expedia, but the drop occurred exactly when I saw the January Panda update.
http://www.w3.org/ns/prov#wasQuotedFrom	hmtweb.com