About: http://webisa.webdatacommons.org/121186616

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	At the same time, administrators can also block access to certain sites, such as Facebook, for most periods of the day except during lunch or after hours.
http://www.w3.org/ns/prov#wasQuotedFrom	net-security.org