About: http://webisa.webdatacommons.org/77549155

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	Caffeine is a stimulant, and can improve alertness and prevent tiredness over short periods.
http://www.w3.org/ns/prov#wasQuotedFrom	cochrane.org