About: http://webisa.webdatacommons.org/406613427

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	This may occur for example with certain types of envelopes which have tabs which may have been inadvertently interlocked or which through contamination or errors in the manufacturing process have become stuck together.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr