About: http://webisa.webdatacommons.org/324619408

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	when checking the source code of http://www.1a-spielwiese.de/register/ you can see that, aside the missing buttons, the footer is also missing and at least mainly of the ending tags such as body and html???
http://www.w3.org/ns/prov#wasQuotedFrom	buddypress.org