About: http://webisa.webdatacommons.org/4767184

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	Suppose a node I listens to the original PREQ cluster from S. If I is too distant from S or the link between them is marginal, there is a chance that I will not listen to all the four PREQs in the cluster.
http://www.w3.org/ns/prov#wasQuotedFrom	laptop.org