- From: Lee Feigenbaum <lee@thefigtrees.net>
- Date: Fri, 19 Feb 2010 16:34:51 -0500
- To: Paul Gearon <gearon@ieee.org>
- CC: SPARQL Working Group <public-rdf-dawg@w3.org>
Hi everyone, Thanks, Paul. Everyone: We're going to devote Tuesday's teleconference to discussing these issues, so please take a look at them in advance of then. Lee On 2/16/2010 10:05 AM, Paul Gearon wrote: > Hi all, > > Axel asked me to post the remaining issues for Update. > > The top issues from my perspective are: > > - DELETE syntax is ambiguous. should statements be separable with > optional semicolons? Or is another syntax option better? This was > discussed, but I wasn't clear on the outcome. > > - ISSUE-20. Are there differences between an empty graph and a > non-existent graph? I like to think so, but didn't see a consensus. > This issue affects the need for CREATE and DROP graph operations, and > controls whether or not INSERT/DELETE control graph existence. > > - Are blank nodes permissible in the template for DELETE? There was > some discussion, but if there was a resolution then I missed it. > > - ISSUE-51. Shall dataset clauses be allowed in SPARQL/Update? This is > one Lee raised, so he should have good comments on it. This is also > one of those areas where new syntax has been proposed that I think > makes sense. > > > The remaining issues: > > - We need the grammar defined. That depends heavily on the above issues. > > - ISSUE-28. What happens if entailed triples are DELETEd? I presume > this is equivalent to an no-op, but there is no resolution recorded. > > - ISSUE-37. How does basic federated query interact with > SPARQL/Update? Personally I don't see the problem, but the issue is > still listed as open. > > - We need a definition of SPARQL Update requests. > > - ISSUE-26. How far do we go with transactions/atomicity? > > - ISSUE-18. Are there concurrency issues to be addressed? > > - Need a mention of what happens when a document is only partially loaded. > > - Need to discuss the implications (or limits) of the CLEAR command on > the default graph on services that form the default from a union of > other graphs. > > - ISSUE-19. What are the security issues around SPARQL Update? > > > Regards, > Paul Gearon > >
Received on Friday, 19 February 2010 21:35:36 UTC