About: http://webisa.webdatacommons.org/172934344

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	But in this way , I end up doing (1+1+3) = 5 books per subject, that is 3 objective books - I have not found any objective book yet ( for Maths ) that covers all types of sums.
http://www.w3.org/ns/prov#wasQuotedFrom	askiitians.com