About: http://webisa.webdatacommons.org/2259321

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	Social signals can occur when people are conversing to each other, using all kinds of media such as face-to-face, telephone, mail, e-mail, Internet chatting, or video-conferencing, among many others.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr