About: http://webisa.webdatacommons.org/220326017

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	You can use classes now and so on, but many questions are generic php questions, not specific to one version. symfony on the other hand is a complete new implementation with fundamental different concepts.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com