About: http://webisa.webdatacommons.org/265318057

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	In a conventional system, however, it is difficult to form such a block since start and end points are designated by a pointing device such as a mouse.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com