london is invalid RDF/XML

[timrdf]

http://data.semanticweb.org/dumps/conferences/xmllondon-2015-complete.rdf

is invalid RDF/XML:

rapper -g -c xmllondon-2015-complete.rdf:

"Using an element 'RDF' without a namespace is forbidden."

...

   <swc:heldBy rdf:resource="http://data.semanticweb.org/person/eric-van-der-vlist"/>
</rdf:Description>


   <Description rdf:about="http://data.semanticweb.org/conference/xmllondon/2013/proceedings”>
…

[timrdf]

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[timrdf]

Moved issue to timrdf/lodcloud#66