Re: How/Why to implement Reification efficiently...

Ora Lassila wrote:

> Although the RDF M+S "allows" this, it is in fact illegal to write an
> "aboutEach" construct anywhere except on the top level inside the
> rdf:RDF element. Parsers should report an error.
>
> So you may ask, "why is this illegal". Here's my explanation: the said
> "aboutEach" construct does not result in a single node as its "value"
> (when "evaluated"), and hence causes problems when the parser attempts
> to build a graph.

Well I don't know about parsers, but I didn't have any problems building a
mentograph of this :))

http://robustai.net/mentography/abouteach.html

Seth Russell