Re: Information Preserving and ISSUE-41

Richard,

On Tue, May 17, 2011 at 1:29 PM, Richard Cyganiak <richard@cyganiak.de>wrote:

> Juan,
>
> 1) About R2RML: We have a requirement that it be possible to suppress
> certain tables and columns from the RDF output. Therefore, R2RML cannot, and
> in fact must not be information preserving.
>

This may be a strong statement. I wonder what Souri has to stay about this.

It is not information preserving wrt the whole database, but it must be
information preserving wrt the table or sql query that is part of the
TriplesMap (hope I got that right).