About: http://webisa.webdatacommons.org/331452640

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 if you know modern differential geometry well (manifolds, vector fields, pull-back, differential forms, ...), then this book is a pleasure to read.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com