About: http://webisa.webdatacommons.org/96419599

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	Basically they are placed just above the destination of the site's "skip to content link, so he never knew that contextual navigation existed, and was forced to use alternative methods such as search or the A to Z to complete the tasks.
http://www.w3.org/ns/prov#wasQuotedFrom	blether.com