- From: Steve Harris <steve.harris@garlik.com>
- Date: Thu, 9 Jul 2009 17:43:48 +0100
- To: "public-rdf-dawg@w3.org Group" <public-rdf-dawg@w3.org>
On 9 Jul 2009, at 17:32, Simon Schenk wrote: > > Am Donnerstag, den 09.07.2009, 12:08 -0400 schrieb Lee Feigenbaum: >> Simon Schenk wrote: >>> After some chatting with colleagues: >>> >>> 1) Whatever semantics we choose, the operator should not be called >>> MINUS, as its semantics is not even roughly clear intuitively. >>> >>> 2) A restriction to min. 1 shared variable is not intuitive. >> >> Simon, does #2 mean explicitly that your colleagues expect that >> >> {?a="a"} MINUS {?b="b"} = no solutions? > > exactly. I have to say that I don't find that any more or less surprising than the alternative. - Steve -- Steve Harris Garlik Limited, 2 Sheen Road, Richmond, TW9 1AE, UK +44(0)20 8973 2465 http://www.garlik.com/ Registered in England and Wales 535 7233 VAT # 849 0517 11 Registered office: Thames House, Portsmouth Road, Esher, Surrey, KT10 9AD
Received on Thursday, 9 July 2009 16:44:25 UTC