About: http://webisa.webdatacommons.org/68121379

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	The length of the knock is a function of (a) number of fields in the knock,
http://www.w3.org/ns/prov#wasQuotedFrom	portknocking.org