- From: A. Soroka <ajs6f@virginia.edu>
- Date: Sun, 2 Apr 2017 20:33:44 -0400
- To: public-sparql-exists@w3.org
Concise bounded description is no part of SPARQL. DESCRIBE is explicitly left undefined in terms of any SPARQL query. [1] EXISTS is explicitly part of the SPARQL algebra. [2] In what way are these related? --- A. Soroka [1] https://www.w3.org/TR/sparql11-query/#describe [2] https://www.w3.org/TR/sparql11-query/#defn_exists > On Apr 2, 2017, at 8:26 PM, james anderson <james@dydra.com> wrote: > > good morning; > >> On 2017-04-03, at 00:29, Peter F. Patel-Schneider <pfpschneider@gmail.com> wrote: >> >> >> >> On 04/02/2017 03:26 PM, james anderson wrote: >>> […] >> >> Ok, so there we differ. I do not see any way that >> https://www.w3.org/TR/sparql11-query/ can be construed in this way. There is >> nothing in the document at all to support any reading other than the one where >> substitution works on expressions in the SPARQL algebra, replacing pieces of >> this algebra by other pieces of this algebra, and the result of substitution >> is to be treated just like every other construct in the SPARQL algebra. > > here is another thought experiment: > > describe an implementation for “describe" as a concise bounded description in terms of the sparql algebra. > > best regards, from berlin, > --- > james anderson | james@dydra.com | http://dydra.com > > > > > >
Received on Monday, 3 April 2017 00:34:18 UTC