About: http://webisa.webdatacommons.org/274887977

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	Twitter is a free social networking and micro-blogging service, one of the most advanced and novel technologies available today that can provide social support to smokers, and it is the only service that provides free texting to groups.
http://www.w3.org/ns/prov#wasQuotedFrom	clinicaltrials.gov