About: http://webisa.webdatacommons.org/7265881

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	Video/Visual: Provide video description for multi-media content that contains video, or other visual information necessary for the understanding of the content. [Ref: WCAG 1.4]
http://www.w3.org/ns/prov#wasQuotedFrom	sfgov.org