"COMPLETED" . "UNSAID drafted and mapped to SQL Eric Prud'hommeaux (Friday, 10 December) ... section 7 More Pattern Matching \u2013 Unsaid" . "unsaid" . "Re: UNSAID drafted and mapped to SQL Pat Hayes 18 Dec 2004:\n\nLet me strongly suggest that we do not include UNSAID in SPARQL. ...\n\n\nNote a relevant objective:\n\n It must be possible to query for the non-existence of one or more triples or triple patterns in the queried graph.\n\nobjective 4.3 Non-existent Triples accepted 2004-07-15\n\n\n " . . . "2004-07-15" . "2005-01-19" . . . "unsaid" .