About: http://webisa.webdatacommons.org/377713546

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	Today is a good day to visit American Rhetoric, which has a page devoted to Martin Luther King Jr.'s I have a dream speech, including both a video and the text of the speech.
http://www.w3.org/ns/prov#wasQuotedFrom	typepad.com