About: http://webisa.webdatacommons.org/142614658

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	It will be appreciated that, since a message is defined by a start block and an end block, messages, including messages that are contemporaneously transmitted by processing elements 42, may be of variable length.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com