> Suppose your dataset contains:
>
> :me :hasEmail "aj...@apache.org" .
> :you :hasEmail "laure...@gmail.com" .
>
> The query:
>
> SELECT ?s ?p ?o WHERE {?o :hasName :s }
>
> is completely valid and will return perfectly fine results in a non-triple
> format, like SPARQL XML. Those > results are not triples. In order to _know_
> that they
> are not triples and that only certain result formats may therefore be used,
> the SPARQL impl would have to > inspect every result row, _before beginning
> to return
> even the first_.
ah yeah, I think I get it now. Thanks.
