See also: IRC log
<juansequeda> yes, a liitle late
<Ashok> ok
<juansequeda> just settling in
<betehess> a/Alexandre/Alexandre/
<scribe> scribenick: ericP
<betehess> http://www.w3.org/mid/82AD6EAF-514D-4950-A61E-5FF2F56106A7@deri.org
<cygri> agenda is here: http://lists.w3.org/Archives/Public/public-rdb2rdf-wg/2011Mar/0091.html
PROPOSED: accept http://www.w3.org/mid/82AD6EAF-514D-4950-A61E-5FF2F56106A7@deri.org as a record of the Mar 15 meeting
APPROVED
Ashok: any open actions?
cygri: i have some which don't block publication
Ashok: what about Ted's action on
blank nodes?
... [noting that Ted is not present]
<cygri> ISSUE-10?
<trackbot> ISSUE-10 -- Hash vs Slash -- open
<trackbot> http://www.w3.org/2001/sw/rdb2rdf/track/issues/10
<scribe> closed
issues 18, 19, 20: re-use, query as a subquyer, predicate/object refer to join table
Ashok: David are these showstoppers?
dmcneil: they are important to my organization (we treat them as extensions), but they shouldn't hold up publication
issue-26?
<trackbot> ISSUE-26 -- Producing triples in named graphs and the default graph -- open
<trackbot> http://www.w3.org/2001/sw/rdb2rdf/track/issues/26
Souri: i've modified r2rml to
include clarifications
... s/unnamed graph/default graph/g'd
... gen'd triples can go arbitrarily to default graph, some
named graph, or both
action-111?
<trackbot> ACTION-111 -- Souripriya Das to clarify that with use of (newly introduced) rr:defaultGraph value for rr:graph property of a PredicateObjectMap, we now allow triples to be produced either in the default graph, or a set of named graphs, or the default graph as well as a set of named graphs -- due 2011-03-26 -- OPEN
<trackbot> http://www.w3.org/2001/sw/rdb2rdf/track/actions/111
<scribe> CLOSED
action-26?
<trackbot> ACTION-26 -- Michael Hausenblas to create F2F Wiki page -- due 2010-03-05 -- CLOSED
<trackbot> http://www.w3.org/2001/sw/rdb2rdf/track/actions/26
<scribe> CLOSED
issue-27
issue-27?
<trackbot> ISSUE-27 -- NULL graphColumn value producing triples in an unnamed graph -- open
<trackbot> http://www.w3.org/2001/sw/rdb2rdf/track/issues/27
dmcneil: i think the s/unnamed graph/default graph/g resolves this
<scribe> CLOSED
issue-28?
<trackbot> ISSUE-28 -- Clarify whether blank nodes are equivalent based on their identifier -- pending review
<trackbot> http://www.w3.org/2001/sw/rdb2rdf/track/issues/28
Ashok: [noting cygri's email about equivalent bnodes]
<Ashok> http://www.w3.org/2001/sw/rdb2rdf/track/issues/28
<dmcneil> +q
cygri: i believe r2rml section 4
discussing the scope of bnodes address this
... would like feedback from e.g. PatH
Ashok: propose to publish, and solicit feedback from PatH afterwards
ISSUE-28 still pending review
<Ashok> Issue 28 is marked PENDING REVIEW ... keep this status
dmcneil: two triple maps producing the same labeled bnode in the same graph reference the same bnode
cygri: i had taken the path of saying that bnodes were the same unless the spec said they were distinct
<betehess> someone has a link to the definition of blank node equality?
cygri: if we're ok with last-minute fixes, i can tweak this now, or after publication
<Souri> +1 to Richard fixing the bNode text today
PROPOSED: cygri tweaks bnode label scope text for publication without further review from WG
APPROVED
issue-29?
<trackbot> ISSUE-29 -- Require blank node and IRI identifier expressions to produce strings -- open
<trackbot> http://www.w3.org/2001/sw/rdb2rdf/track/issues/29
<Ashok> http://www.w3.org/2001/sw/rdb2rdf/track/issues/29
Ashok: i recall discussing this a couple weeks ago. what came out of it?
ericP: [SQL casting to
strings]
... have app-specific length limits
Ashok: i think those limits are large enough to be ignorable
<cygri> Ashok: can casting produce chars that are not allowed in IRIs?
dmcneil: not closed in my
mind
... but we can publish
issue-30?
<trackbot> ISSUE-30 -- Different blank node identifier than was defined in mapping -- open
<trackbot> http://www.w3.org/2001/sw/rdb2rdf/track/issues/30
dmcneil: addressed by latest text in r2rml section 4
issue-33?
<trackbot> ISSUE-33 -- How can rr:template be used in an ObjectMapClass to produce IRI's or Strings -- raised
<trackbot> http://www.w3.org/2001/sw/rdb2rdf/track/issues/33
dmcneil: if you use templates to produce an object, is that an IRI or a string?
Souri: templates in objectmaps
default to a plain literal (unless you specify that it's an
IRI)
... so in your issue example, it will be treated as a
string
dmcneil: it seems rr:TermType and
rr:DataType are only allowed to come from a column
... ergo precludes coming from a template
... refering to 3.6.1.3…
cygri: separate sections cover
the SubjectMap and ObjectMap
... it's all well defined in the SubjectMap
... the ObjectMap is a bit different
Souri: i think we need to fix this
cygri: points to a deeper issue;
lots of duplication in the text
... these properties can appear in different positions and do
pretty much the same thing
... could we define all of these properties once in the most
flexible way (i.e. as they'd be use in an ObjectMap)
... then add restrictions for e.g. PredicateMap not allowing
[literals or bnodes]
+1 to cygri's proposed factoring
Souri: need a "common properties"
<dmcneil> +1 to refactoring
cygri: needs to wait 'till after pub
<cygri> 3.6.1.3
<Souri> ACTION: Souri to edit the restrictions in sec 3.6.1.3 and 3.6.1.4 to include rr:template as well [recorded in http://www.w3.org/2011/03/22-rdb2rdf-minutes.html#action01]
<trackbot> Created ACTION-112 - Edit the restrictions in sec 3.6.1.3 and 3.6.1.4 to include rr:template as well [on Souripriya Das - due 2011-03-29].
Ashok: two issues remain
open
... neither blocks publication
<cygri> http://www.w3.org/2001/sw/rdb2rdf/r2rml/#introduction
cygri: additional editorial TODO:
<dmcneil> +q
cygri: intro needs to be reworded to reflect the existence of the DM
<dmcneil> +1 to formally recording all the issues
<betehess> +1 to use links to the tracker
<soeren> +q
cygri: propose that we copy around ~7 issues from the spec to tracker
<Souri> @@Issue: The use of a "convention over configuration" approach has been proposed, where a mapping is not expressed completely, but rather as a delta from the default mapping. In other words, only those parts that one wants to be different from the default mapping have to be written down in the mapping file.
<scribe> ACTION: cygri to copy around ~7 issues from the spec to tracker [recorded in http://www.w3.org/2011/03/22-rdb2rdf-minutes.html#action02]
<trackbot> Created ACTION-113 - Copy around ~7 issues from the spec to tracker [on Richard Cyganiak - due 2011-03-29].
<Souri> @@Issue: As currently defined, the output of an R2RML mapping is an RDF dataset that contains triples reflecting the records in the database. The output is thus on the "instance level". A feature under discussion is the additional generation of an RDF Schema or OWL Ontology that reflects the constraints and valid inferences over the classes and properties in the generated dataset. This output would be on the "terminology level".
dmcneil: +1 to cygri. also good
to record issue resolution in the issue tracker
... noticed that 3.9.1.2 has moved the '.' to inside the
"{}"s
Souri: the goal is to be able to string replace them if we don't parse them
dmcneil: seems just as esoteric with the '.' inside
Souri: the "alias." is a unit
<dmcneil> -q
Souri: happy to update if we acquire wisdom
dmcneil: OK
soeren: the "owner" is mentioned
throughout the document
... propose an issue for this
... i think this is Oracle-specific. called "database" and
MySQL and @@1 in DB2
<Ashok> Souri: In Orac;le it is called "owner" or "schema"
Souri: yeah, we can have a glossary connecting these terms to outside use
soeren: could add paragraph for SQL concepts to 1.1
<cygri> ACTION: cygri to update paragraph in the introduction that talks about the direct mapping spec [recorded in http://www.w3.org/2011/03/22-rdb2rdf-minutes.html#action03]
<trackbot> Created ACTION-114 - Update paragraph in the introduction that talks about the direct mapping spec [on Richard Cyganiak - due 2011-03-29].
Souri: i think we have very few refs to "owner" now
<scribe> ACTION: soeren to create an issue addressing vendor-specific names like "owner" [recorded in http://www.w3.org/2011/03/22-rdb2rdf-minutes.html#action04]
<trackbot> Sorry, couldn't find user - soeren
<scribe> ACTION: saueren to create an issue addressing vendor-specific names like "owner" [recorded in http://www.w3.org/2011/03/22-rdb2rdf-minutes.html#action05]
<trackbot> Sorry, couldn't find user - saueren
<cygri> saure
<Souri> sauer
<cygri> sauer
<soeren> sauer
<scribe> ACTION: sauer to create an issue addressing vendor-specific names like "owner" [recorded in http://www.w3.org/2011/03/22-rdb2rdf-minutes.html#action06]
<trackbot> Created ACTION-115 - Create an issue addressing vendor-specific names like "owner" [on Sören Auer - due 2011-03-29].
cygri: SQL spec defines
terminology for e.g. "catalog" and "schema"
... catalog*/schema*
... i think we should use those terms
+1
if we're going to make readers learn something, let's make them learn standard terms
<betehess> no
<betehess> Alexandre: the Webmaster is ok to publish on Thursday Mar 24
Ashok: what's the status of the DM?
ericP: it lacks the polish of the
DM
... i'm content to let it go as it is
<juansequeda> +1 to publish both
<ivan> +1 to publish them together
<cygri> +1 to publish both
<betehess> +1
+1
<ivan> yay!
<Seema> +1 to publish them together
PROPOSED: publish R2RML spec after cygri's bnode scope text (expected EOB 22 March), update paragraph introducing direct mapping spec and souri's updates per ACTION-112 and no further WG review
<cygri> ACTION-112,113,114
PROPOSED: publish R2RML spec after cygri's updates per ACTION-113 and ACTION-114 and souri's updates per ACTION-112 and no further WG review
<ivan> +1
<ivan> -1
APPROVED
PROPOSED: publish DM as is
<cygri> Souri, ivan, me too
+1
<cygri> +1
<nunolopes> +1
<ivan> +1
APPROVED
<juansequeda> +1
<Souri> +1
<scribe> ACTION: betehess to update DM for publication on 24 March [recorded in http://www.w3.org/2011/03/22-rdb2rdf-minutes.html#action07]
<trackbot> Sorry, couldn't find user - betehess
<scribe> ACTION: alexandre to update DM for publication on 24 March [recorded in http://www.w3.org/2011/03/22-rdb2rdf-minutes.html#action08]
<trackbot> Sorry, couldn't find user - alexandre
<scribe> ACTION: bertails to update DM for publication on 24 March [recorded in http://www.w3.org/2011/03/22-rdb2rdf-minutes.html#action09]
<trackbot> Sorry, couldn't find user - bertails
<cygri> try abertai5
<scribe> ACTION: bertails to update DM for publication on 24 March [recorded in http://www.w3.org/2011/03/22-rdb2rdf-minutes.html#action10]
<trackbot> Sorry, couldn't find user - bertails
<scribe> ACTION: bertails to update DM for publication on 24 March [recorded in http://www.w3.org/2011/03/22-rdb2rdf-minutes.html#action11]
<Ashok> rsagent, create minutes
tx
<trackbot> Sorry, couldn't find user - bertails
oh weak
whatever
<scribe> ACTION: bertails to update DM for publication on 24 March [recorded in http://www.w3.org/2011/03/22-rdb2rdf-minutes.html#action12]
<trackbot> Sorry, couldn't find user - bertails
<scribe> ACTION: bertails to update DM for publication on 24 March [recorded in http://www.w3.org/2011/03/22-rdb2rdf-minutes.html#action13]
<trackbot> Sorry, couldn't find user - bertails
<ted> trackbot, status?
<ted> action-1?
<trackbot> ACTION-1 -- Michael Hausenblas to create a section in the Wiki for ISSUE-2 -- due 2009-10-08 -- CLOSED
<trackbot> http://www.w3.org/2001/sw/rdb2rdf/track/actions/1
<ted> http://www.w3.org/2001/sw/rdb2rdf/track/users
<ted> ACTION: bertails to update DM for publication on 24 March [recorded in http://www.w3.org/2011/03/22-rdb2rdf-minutes.html#action14]
<trackbot> Sorry, couldn't find user - bertails
<ted> ACTION: betehess to update DM for publication on 24 March [recorded in http://www.w3.org/2011/03/22-rdb2rdf-minutes.html#action15]
<trackbot> Sorry, couldn't find user - betehess
<ted> ACTION: alex to update DM for publication on 24 March [recorded in http://www.w3.org/2011/03/22-rdb2rdf-minutes.html#action16]
<trackbot> Sorry, couldn't find user - alex
This is scribe.perl Revision: 1.135 of Date: 2009/03/02 03:52:20 Check for newer version at http://dev.w3.org/cvsweb/~checkout~/2002/scribe/ Guessing input format: RRSAgent_Text_Format (score 1.00) Succeeded: s/Alexande/Alexandre/ Succeeded: s/Nuno, Alexande/Nuno, Alexandre/ Succeeded: s/Feb 15/Mar 15/ Found ScribeNick: ericP Inferring Scribes: ericP Default Present: Ashok_Malhotra, +1.314.394.aaaa, Alexandre, dmcneil, +3539149aabb, EricP, nunolopes, +569061aacc, cygri, soeren, ivan, +1.603.897.aadd, +575737aaee, +1.603.897.aaff, Seema, +030061aagg, MacTed, +666061aahh Present: David_McNeill Richard Nuno Alexandre Soeren : Eric Ivan cygri nunolopes Souri Seema Regrets: Marcelo WARNING: No meeting title found! You should specify the meeting title like this: <dbooth> Meeting: Weekly Baking Club Meeting Got date from IRC log name: 22 Mar 2011 Guessing minutes URL: http://www.w3.org/2011/03/22-rdb2rdf-minutes.html People with action items: alex alexandre bertails betehess cygri sauer saueren soeren souri[End of scribe.perl diagnostic output]