- From: Axel Polleres <axel.polleres@deri.org>
- Date: Thu, 30 Sep 2010 19:53:33 -0400
- To: Alexandre Passant <alexandre.passant@deri.org>
- Cc: "Steve Harris" <steve.harris@garlik.com>, "Lee Feigenbaum" <lee@thefigtrees.net>, "SPARQL Working Group" <public-rdf-dawg@w3.org>
ok, will hold back further comments until I get your ok to re-check. Axel On 30 Sep 2010, at 18:24, Alexandre Passant wrote: > > On 30 Sep 2010, at 08:04, Steve Harris wrote: > > > On 2010-09-29, at 18:55, Lee Feigenbaum wrote: > > > >> On 9/29/2010 1:42 PM, Alexandre Passant wrote: > >>> Hi all, > >>> > >>> I'm checking current issues in the Update doc, and see that ISSUE-37 is closed. > >>> > >>> RESOLVED: close ISSUE-37 by adding a note to Update mentioning possible feedback effects > >>> + > >>> ACTION: paul to add a note on possible feedback effects of federated queries in update (ACTION-289) > >>> > >>> Do Paul or anyone remind what we meant by "feedback effects" here ? > >>> Seems to relate to atomicity ? > >> > >> The use case in question involved using SERVICE in the WHERE clause of an update operation, I believe. > > > > That's correct. Different levels of atomicity could lead different stores to return different results. > > Here's what I added > > Initial text: > > Each request <strong>should</strong> be treated atomically by a SPARQL 1.1 Update service. Any resulting concurrency issues will be a matter for each implementation to consider according to its own architecture. > > Added: > > However, using SERVICE in the WHERE clause of an Update request may lead to unexpected results in terms of atomicity, leading to different stores to return different results.</p> > > Alex. > > > > > > - Steve > > > > -- > > Steve Harris, CTO, Garlik Limited > > 1-3 Halford Road, Richmond, TW10 6AW, UK > > +44 20 8439 8203 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 > > > > -- > Dr. Alexandre Passant > Digital Enterprise Research Institute > National University of Ireland, Galway > :me owl:sameAs <http://apassant.net/alex> . > > > > > > > >
Received on Friday, 1 October 2010 00:59:16 UTC