Re: [OK] Re: [OK?] Re: comments on "SPARQL Query Language for RDF"

On 22 Mar 2006, at 15:48, Peter F. Patel-Schneider wrote:
>>  From section 2.5.2:
>>
>> "A pattern solution can then be defined as follows: to match a basic
>> graph pattern under simple entailment, it is possible to proceed by
>> finding a mapping from blank nodes and variables in the basic graph
>> pattern to terms in the graph being matched; a pattern solution is
>> then a mapping restricted to just the variables, possibly with blank
>> nodes renamed. Moreover, a uniqueness property guarantees the
>> interoperability between SPARQL systems: given a graph and a basic
>> graph pattern, the set of all the pattern solutions is unique up to
>> blank node renaming."
>
> This is a claim, not a theorem (with proof).

Sure :-)
Stay tuned for the explicit proof.
--e.

Received on Wednesday, 22 March 2006 16:12:21 UTC