About: http://webisa.webdatacommons.org/39465481

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	Hearing about the conference, mostly by word of mouth, speakers volunteered.[79] A Mars underground began to form.
http://www.w3.org/ns/prov#wasQuotedFrom	nss.org