About: http://webisa.webdatacommons.org/196691554

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	A block of any page length is envisioned, although the preferred embodiment would advantageously utilize a block length which is a power of two, such as sixteen or thirty-two pages.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es