About: http://webisa.webdatacommons.org/402656444

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	Any other port that is neither a designated port nor a root port is a blocking port which is indicated by a mark in the figure.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com