- From: Eric Prud'hommeaux <eric@w3.org>
- Date: Mon, 9 Oct 2006 16:46:10 +0200
- To: RDF Data Access Working Group <public-rdf-dawg@w3.org>
- Cc: Bijan Parsia <bparsia@isr.umd.edu>
On Mon, Oct 09, 2006 at 04:21:05PM +0200, Eric Prud'hommeaux wrote: > > On Mon, Oct 09, 2006 at 10:11:19AM +0100, Bijan Parsia wrote: > > The first line contains descriptive text with a link. the descriptive > > text is: > > > > ""Open Issue: Should blank nodes be treated differently than > > variables in the query pattern?.""" > > > > The linked to text is: > > > > """entailmentFramework > > I'm collecting all the issues related to entailment and SPARQL here > > till either a > > > > theme emerges or they get broken into separate issues. > > > > Neatly summarized by FredZ here > > FredZ's request re: entailment framework and bnode scope > > others that are related here but lumped under separate heads > > above...""" > > > > So the first thing to recognize is that this is a catch all issue > > rather than a specific focused issue, as is indicated by the last > > line. So, it is confusing to have it "distilled" into a single > > question, especially when that question is not broad but exceedingly > > narrow. > > Per Danbri's comments [DAN], if we will have Pat, Bijan and Fred, I > propose we work on some E-entailment semantics issues: > > 1. does E-entailment support counting semantics? > > 2. can we an express the differences between subgraph matching and > E-entailment semantics in test cases? > > Issues list identifier: entailmentFramework [ENT] > > OWL example leaning on non-distinguished variables: [OWL] > Reduced version written as a test case: rdfSemantics/owl-lunch [LCH] > > Some test cases to characterize the behavoir of the language > apparently not captured in the current semantics: > > bnode-type-var [CNT]: can we count duplicate results? > > bNode-constraint [BCN]: are bNode labels allowed in FILTERs? > > bNode-join [BJN]: do bNode lables bridge basic graph patterns? > > > [DAN] http://www.w3.org/mid/452622B3.9090202@danbri.org > [ENT] http://www.w3.org/2001/sw/DataAccess/issues#entailmentFramework > [OWL] http://www.w3.org/mid/20060713162342.GA12357@w3.org > [LNH] http://www.w3.org/2001/sw/DataAccess/tests/data/rdfSemantics/owl-lunch.ttl > http://www.w3.org/2001/sw/DataAccess/tests/data/rdfSemantics/owl-lunch.rq > [CNT] http://www.w3.org/2001/sw/DataAccess/tests/#rdfsemantics-bnode-type-var ARG, forgot that the names are LC'd [BCN] http://www.w3.org/2001/sw/DataAccess/tests/#rdfsemantics-bnode-constraint [BJN] http://www.w3.org/2001/sw/DataAccess/tests/#rdfsemantics-bnode-join > -- > -eric > > home-office: +1.617.395.1213 (usually 900-2300 CET) > +33.1.45.35.62.14 > cell: +33.6.73.84.87.26 > > (eric@w3.org) > Feel free to forward this message to any list for any purpose other than > email address distribution. -- -eric home-office: +1.617.395.1213 (usually 900-2300 CET) +33.1.45.35.62.14 cell: +33.6.73.84.87.26 (eric@w3.org) Feel free to forward this message to any list for any purpose other than email address distribution.
Received on Monday, 9 October 2006 14:45:13 UTC