About: http://webisa.webdatacommons.org/79900539

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	ed by the time you are set, such as sports and study and training, practice and a break!Are you studying or sports or training efficiently?It is said that the concentration of human can keeping generally 30 or 60 minutes.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com