- From: Alberto Reggiori <alberto@asemantics.com>
- Date: Mon, 30 Aug 2004 17:38:56 +0200
- To: "Seaborne, Andy" <andy.seaborne@hp.com>
- Cc: public-rdf-dawg@w3.org
On Aug 27, 2004, at 6:49 PM, Seaborne, Andy wrote: > > Summary: the choice is bewteen: > > 1/ Separate constraints and triple patterns. Can use (parentheses) for > both. +1 > > 2/ Allow constraints and triple patterns to be mixed. Need to > differentiate > grouping symbols. > > Testcase: > A nested graph pattern (( (?x :y ?z) (?x :y1 ?z1 )) > A nested constraint (( (?z < 2 ) )) > > This requires arbitrary lookahead to distinguish. but I would like to further check how existing SQL yacc parsers handle this nested parenthesis lookahead issue.... Alberto
Received on Monday, 30 August 2004 15:39:00 UTC