SPARQL Working Group Teleconference

Minutes of 14 August 2012

Agenda
http://www.w3.org/2009/sparql/wiki/Agenda-2012-08-14
Seen
Andy Seaborne, Axel Polleres, Carlos Buil Aranda, Chimezie Ogbuji, Gregory Williams, Sandro Hawke
Scribe
Sandro Hawke
IRC Log
Original and Editable Wiki Version
Resolutions
  1. Approve minutes at http://www.w3.org/2009/sparql/meeting/2012-08-07 link
Topics
13:59:26 <RRSAgent> logging to http://www.w3.org/2012/08/14-sparql-irc

RRSAgent IRC Bot: logging to http://www.w3.org/2012/08/14-sparql-irc

13:59:28 <trackbot> RRSAgent, make logs world

Trackbot IRC Bot: RRSAgent, make logs world

13:59:30 <trackbot> Zakim, this will be 77277

Trackbot IRC Bot: Zakim, this will be 77277

13:59:30 <Zakim> ok, trackbot; I see SW_(SPARQL)10:00AM scheduled to start in 1 minute

Zakim IRC Bot: ok, trackbot; I see SW_(SPARQL)10:00AM scheduled to start in 1 minute

13:59:31 <trackbot> Meeting: SPARQL Working Group Teleconference
13:59:31 <trackbot> Date: 14 August 2012
13:59:40 <AxelPolleres> Agenda: http://www.w3.org/2009/sparql/wiki/Agenda-2012-08-14
13:59:51 <Zakim> SW_(SPARQL)10:00AM has now started

Zakim IRC Bot: SW_(SPARQL)10:00AM has now started

13:59:58 <Zakim> +kasei

Zakim IRC Bot: +kasei

14:00:12 <Zakim> +??P7

Zakim IRC Bot: +??P7

14:00:18 <AndyS> zakim, ??P7 is me

Andy Seaborne: zakim, ??P7 is me

14:00:18 <Zakim> +AndyS; got it

Zakim IRC Bot: +AndyS; got it

14:00:26 <Zakim> +sandro

Zakim IRC Bot: +sandro

14:00:48 <Zakim> + +49.897.aaaa

Zakim IRC Bot: + +49.897.aaaa

14:01:02 <Zakim> +pgearon

Zakim IRC Bot: +pgearon

14:01:09 <AxelPolleres> Zakim, aaaa might be me

Axel Polleres: Zakim, aaaa might be me

14:01:09 <Zakim> I don't understand 'aaaa might be me', AxelPolleres

Zakim IRC Bot: I don't understand 'aaaa might be me', AxelPolleres

14:01:20 <AxelPolleres> Zakim, aaaa is me

Axel Polleres: Zakim, aaaa is me

14:01:20 <Zakim> +AxelPolleres; got it

Zakim IRC Bot: +AxelPolleres; got it

14:01:31 <AxelPolleres> Zakim, who is on the phone?

Axel Polleres: Zakim, who is on the phone?

14:01:31 <Zakim> On the phone I see kasei, AndyS, sandro, AxelPolleres, pgearon

Zakim IRC Bot: On the phone I see kasei, AndyS, sandro, AxelPolleres, pgearon

14:01:55 <AxelPolleres> scribe: sandro

(Scribe set to Sandro Hawke)

14:02:59 <Zakim> +MattPerry

Zakim IRC Bot: +MattPerry

14:03:03 <Zakim> +chimezie

Zakim IRC Bot: +chimezie

14:03:19 <chimezie> Zakim, mute me

Chimezie Ogbuji: Zakim, mute me

14:03:19 <Zakim> chimezie should now be muted

Zakim IRC Bot: chimezie should now be muted

14:03:24 <AxelPolleres> http://www.w3.org/2009/sparql/wiki/Agenda-2012-08-14

Axel Polleres: http://www.w3.org/2009/sparql/wiki/Agenda-2012-08-14

14:03:36 <AxelPolleres> topic: admin

1. admin

14:03:46 <AxelPolleres> PROPOSED: Approve minutes at http://www.w3.org/2009/sparql/meeting/2012-08-07

PROPOSED: Approve minutes at http://www.w3.org/2009/sparql/meeting/2012-08-07

14:04:20 <AxelPolleres> RESOLVED: Approve minutes at http://www.w3.org/2009/sparql/meeting/2012-08-07

RESOLVED: Approve minutes at http://www.w3.org/2009/sparql/meeting/2012-08-07

14:05:02 <AxelPolleres> Mat can scribe next week

Axel Polleres: Matt can scribe next week

14:05:17 <sandro> s/Mat/Matt/
14:05:28 <sandro> topic: RDF Liaison

2. RDF Liaison

14:05:32 <sandro> axel: mail from Andy

Axel Polleres: mail from Andy

14:05:34 <AxelPolleres> topic: RDF liasion

3. RDF liasion

14:05:40 <AxelPolleres> http://lists.w3.org/Archives/Public/public-rdf-dawg/2012JulSep/0112.html

Axel Polleres: http://lists.w3.org/Archives/Public/public-rdf-dawg/2012JulSep/0112.html

14:05:42 <sandro> andy: I think the writeup is reasonably complete

Andy Seaborne: I think the writeup is reasonably complete

14:06:08 <sandro> axel: Our main thing: we don't want to change anything at this point.

Axel Polleres: Our main thing: we don't want to change anything at this point.

14:06:20 <AndyS> See http://lists.w3.org/Archives/Public/public-rdf-dawg/2012JulSep/0112.html

Andy Seaborne: See http://lists.w3.org/Archives/Public/public-rdf-dawg/2012JulSep/0112.html

14:06:43 <sandro> andy: no formal proposals on the table yet

Andy Seaborne: no formal proposals on the table yet

14:07:16 <sandro> AxelPolleres: From out side, we'd like it in line with Property Path syntax, but otherwise there's nothing for us to say/do

Axel Polleres: From out side, we'd like it in line with Property Path syntax, but otherwise there's nothing for us to say/do

14:07:27 <sandro> AndyS: THe RDF WG isn't seeking comment at this stage.

Andy Seaborne: THe RDF WG isn't seeking comment at this stage.

14:07:43 <AxelPolleres> topic: Finish Protocol validator / test suite

4. Finish Protocol validator / test suite

14:07:54 <AxelPolleres> http://lists.w3.org/Archives/Public/public-rdf-dawg/2012JulSep/0113.html

Axel Polleres: http://lists.w3.org/Archives/Public/public-rdf-dawg/2012JulSep/0113.html

14:08:51 <Zakim> +??P9

Zakim IRC Bot: +??P9

14:08:55 <cbuilara> zakim, ??P9 is me

Carlos Buil Aranda: zakim, ??P9 is me

14:08:55 <Zakim> +cbuilara; got it

Zakim IRC Bot: +cbuilara; got it

14:08:57 <AxelPolleres> https://github.com/kasei/sparql11-protocolvalidator

Axel Polleres: https://github.com/kasei/sparql11-protocolvalidator

14:09:01 <sandro> kasei: I think only Lee and I have looked at these tests so far.

Gregory Williams: I think only Lee and I have looked at these tests so far.

14:09:28 <cbuilara> I can do it

Carlos Buil Aranda: I can do it

14:10:06 <AxelPolleres> ACTION: carlos to look over protocol test cases for completeness

ACTION: carlos to look over protocol test cases for completeness

14:10:06 <trackbot> Sorry, couldn't find user - carlos

Trackbot IRC Bot: Sorry, couldn't find user - carlos

14:10:48 <sandro> <kasei> http://kasei.us/2009/09/sparql/protocol_validator.cgi is the new url

<kasei> http://kasei.us/2009/09/sparql/protocol_validator.cgi is the new url

14:10:48 <sandro> <kasei> so maybe something like http://www.w3.org/2009/sparql/protocol_validator ?

<kasei> so maybe something like http://www.w3.org/2009/sparql/protocol_validator ?

14:11:22 <AxelPolleres> ACTION: cbuilara to look over protocol test cases for completeness

ACTION: cbuilara to look over protocol test cases for completeness

14:11:22 <trackbot> Sorry, couldn't find user - cbuilara

Trackbot IRC Bot: Sorry, couldn't find user - cbuilara

14:11:49 <AxelPolleres> ACTION: axel to check action for carlos (cbuilara to look over protocol test cases for completeness)

ACTION: axel to check action for carlos (cbuilara to look over protocol test cases for completeness)

14:11:49 <trackbot> Created ACTION-668 - Check action for carlos (cbuilara to look over protocol test cases for completeness) [on Axel Polleres - due 2012-08-21].

Trackbot IRC Bot: Created ACTION-668 - Check action for carlos (cbuilara to look over protocol test cases for completeness) [on Axel Polleres - due 2012-08-21].

14:12:12 <sandro> action: carlos to look over protocol test cases for completeness

ACTION: carlos to look over protocol test cases for completeness

14:12:12 <trackbot> Sorry, couldn't find user - carlos

Trackbot IRC Bot: Sorry, couldn't find user - carlos

14:12:19 <cbuilara> zakim, mute me

Carlos Buil Aranda: zakim, mute me

14:12:19 <Zakim> cbuilara should now be muted

Zakim IRC Bot: cbuilara should now be muted

14:12:32 <sandro> Oh, right -- Carlos isn't in the WG right now.

Oh, right -- Carlos isn't in the WG right now.

14:13:09 <sandro> kasei: Fuseki not that close to passing right now

Gregory Williams: Fuseki not that close to passing right now

14:13:13 <AxelPolleres> sandro, yeah sent you a mail on that... let's take this offline with carlos

Axel Polleres: sandro, yeah sent you a mail on that... let's take this offline with carlos

14:13:35 <sandro> AxelPolleres, I send email to Carlos and cc'd you 25 minutes ago.

AxelPolleres, I send email to Carlos and cc'd you 25 minutes ago.

14:14:08 <sandro> AndyS: Updates should be okay.   If there's a published dataset, ... something ...  default graph URI.

Andy Seaborne: Updates should be okay. If there's a published dataset, ... something ... default graph URI.

14:14:21 <sandro> kasei: The protocol has ways you can rename graphs to be the defautl graph for matching

Gregory Williams: The protocol has ways you can rename graphs to be the defautl graph for matching

14:14:26 <sandro> AndyS: That stuff should work.

Andy Seaborne: That stuff should work.

14:14:50 <sandro> kasei: I'll send you details and lets sort this out

Gregory Williams: I'll send you details and lets sort this out

14:14:54 <sandro> AndyS: okay.

Andy Seaborne: okay.

14:15:23 <chimezie> Zakim, unmute me

Chimezie Ogbuji: Zakim, unmute me

14:15:23 <Zakim> chimezie should no longer be muted

Zakim IRC Bot: chimezie should no longer be muted

14:15:32 <AxelPolleres> topic: update implementations

5. update implementations

14:15:40 <sandro> axel: Entailment Regimes?

Axel Polleres: Entailment Regimes?

14:15:46 <sandro> chimezie: I don't have an update on that

Chimezie Ogbuji: I don't have an entailment on that

14:15:47 <AxelPolleres> s/update/entailment/
14:16:42 <AxelPolleres> sandro: mentioned this in SWCG meeting last week... Ian horrocks offered to ping potential implementers for DL regimes.

Sandro Hawke: mentioned this in SWCG meeting last week... Ian horrocks offered to ping potential implementers for DL regimes. [ Scribe Assist by Axel Polleres ]

14:16:59 <AxelPolleres> we should ping thre RIF mailinglist...

Axel Polleres: we should ping thre RIF mailinglist...

14:17:06 <sandro> action: sandro ping RIF folks on ER

ACTION: sandro ping RIF folks on ER

14:17:06 <trackbot> Created ACTION-669 - Ping RIF folks on ER [on Sandro Hawke - due 2012-08-21].

Trackbot IRC Bot: Created ACTION-669 - Ping RIF folks on ER [on Sandro Hawke - due 2012-08-21].

14:17:17 <AxelPolleres> ACTION: sandro to ping RIF WG mailinglist on SPARQL/RIF implementations.

ACTION: sandro to ping RIF WG mailinglist on SPARQL/RIF implementations.

14:17:17 <trackbot> Created ACTION-670 - Ping RIF WG mailinglist on SPARQL/RIF implementations. [on Sandro Hawke - due 2012-08-21].

Trackbot IRC Bot: Created ACTION-670 - Ping RIF WG mailinglist on SPARQL/RIF implementations. [on Sandro Hawke - due 2012-08-21].

14:17:31 <sandro> close aciton-5

close aciton-5

14:17:38 <sandro> close action-5

close ACTION-5

14:17:38 <trackbot> ACTION-5 Add security issues to query by reference feature closed

Trackbot IRC Bot: ACTION-5 Add security issues to query by reference feature closed

14:17:43 <chimezie> Zakim, mute me

Chimezie Ogbuji: Zakim, mute me

14:17:43 <Zakim> chimezie should now be muted

Zakim IRC Bot: chimezie should now be muted

14:17:49 <AxelPolleres> topic: comments

6. comments

14:17:53 <sandro> close action-669

close ACTION-669

14:17:53 <trackbot> ACTION-669 Ping RIF folks on ER closed

Trackbot IRC Bot: ACTION-669 Ping RIF folks on ER closed

14:18:08 <sandro> axel: starting with older comments

Axel Polleres: starting with older comments

14:18:18 <AxelPolleres> comments http://www.w3.org/2009/sparql/wiki/Comments

Axel Polleres: comments http://www.w3.org/2009/sparql/wiki/Comments

14:18:35 <AxelPolleres> http://lists.w3.org/Archives/Public/public-rdf-dawg/2012JulSep/0114.html

Axel Polleres: http://lists.w3.org/Archives/Public/public-rdf-dawg/2012JulSep/0114.html

14:19:07 <sandro> James Leigh.   Sandro wanted to look into that....

James Leigh. Sandro wanted to look into that....

14:19:40 <sandro> axel: Old one from Jeremy Carroll, re graph protocol, URI to IRI

Axel Polleres: Old one from Jeremy Carroll, re graph protocol, URI to IRI

14:19:48 <chimezie> Zakim, unmute me

Chimezie Ogbuji: Zakim, unmute me

14:19:48 <Zakim> chimezie should no longer be muted

Zakim IRC Bot: chimezie should no longer be muted

14:19:50 <sandro> axel: Paragraph gone, outdated.

Axel Polleres: Paragraph gone, outdated.

14:19:59 <sandro> chimezie: I just need to ping Jeremy

Chimezie Ogbuji: I just need to ping Jeremy

14:20:24 <sandro> axel: kk-13

Axel Polleres: kk-13

14:20:46 <sandro> axel: I think it's ready to send.

Axel Polleres: I think it's ready to send.

14:20:52 <sandro> chimezie: sent and ack'd.

Chimezie Ogbuji: sent and ack'd.

14:20:59 <sandro> chimezie: I just updated the wiki now.

Chimezie Ogbuji: I just updated the wiki now.

14:21:35 <chimezie> Zakim, mute me

Chimezie Ogbuji: Zakim, mute me

14:21:35 <Zakim> chimezie should now be muted

Zakim IRC Bot: chimezie should now be muted

14:21:52 <sandro> axel: Long response draft to Dave Becket, outdated, short one should do.  I'll ping Steve

Axel Polleres: Long response draft to Dave Becket, outdated, short one should do. I'll ping Steve

14:22:34 <sandro> andy: that one is sent

Andy Seaborne: that one is sent

14:22:37 <sandro> axel: Ah right.

Axel Polleres: Ah right.

14:23:33 <sandro> axel: Comments on PP's from Nick Humphrey

Axel Polleres: Comments on PP's from Nick Humphrey

14:24:02 <sandro> axel: Inform reply from Andy, er, Steve, saying this can be done with Aggregrate.

Axel Polleres: Inform reply from Andy, er, Steve, saying this can be done with Aggregrate.

14:24:15 <sandro> andy: Expept it says not a formal response.  :-)

Andy Seaborne: Expept it says not a formal response. :-)

14:24:32 <sandro> axel: I'll ping Nick on formal response status.

Axel Polleres: I'll ping Nick on formal response status.

14:24:57 <AxelPolleres> ACTION: axel to ping Nick on whether NH-5 needs a formal response

ACTION: axel to ping Nick on whether NH-5 needs a formal response

14:24:57 <trackbot> Created ACTION-671 - Ping Nick on whether NH-5 needs a formal response [on Axel Polleres - due 2012-08-21].

Trackbot IRC Bot: Created ACTION-671 - Ping Nick on whether NH-5 needs a formal response [on Axel Polleres - due 2012-08-21].

14:25:00 <sandro> AndyS: He's just looking at PP syntax, not having read some bits elsewhere in the spec.

Andy Seaborne: He's just looking at PP syntax, not having read some bits elsewhere in the spec.

14:25:19 <sandro> AndyS: I'll do NH-4

Andy Seaborne: I'll do NH-4

14:26:13 <sandro> axel: Some comments on client semantics.  Maybe reply to them together

Axel Polleres: Some comments on client semantics. Maybe reply to them together

14:26:46 <AxelPolleres> BIND in combination with other graph patterns...

Axel Polleres: BIND in combination with other graph patterns...

14:26:47 <sandro> andy: I looked.  They only consider part of the problem space.    Their case always has bind next to something else, not a BGP.    This needs some thought.

Andy Seaborne: I looked. They only consider part of the problem space. Their case always has bind next to something else, not a BGP. This needs some thought.

14:27:13 <AxelPolleres> looks like these queries need a subselect.

Axel Polleres: looks like these queries need a subselect.

14:27:19 <sandro> andy: Perhaps a different form of query, using a subselect, would help.

Andy Seaborne: Perhaps a different form of query, using a subselect, would help.

14:27:44 <sandro> axel: Do we need to change something?

Axel Polleres: Do we need to change something?

14:28:39 <sandro> andy: Holger's point could maybe be seen one way, Jeremy's made things a little more contrained.

Andy Seaborne: Holger's point could maybe be seen one way, Jeremy's made things a little more contrained.

14:31:20 <AxelPolleres> http://lists.w3.org/Archives/Public/public-rdf-dawg-comments/2012Aug/0011.html

Axel Polleres: http://lists.w3.org/Archives/Public/public-rdf-dawg-comments/2012Aug/0011.html

14:31:39 <sandro> axel:  implies std behavior of default graph, which isnt how it works, I think

Axel Polleres: implies std behavior of default graph, which isnt how it works, I think

14:32:15 <sandro> axel: I'll try to find out what he wants

Axel Polleres: I'll try to find out what he wants

14:32:27 <sandro> andy: lets consider it as a couple of different parts

Andy Seaborne: lets consider it as a couple of different parts

14:33:11 <sandro> andy: First part usual approach would be not using the word graph.      FROM DEFAULT, FROM <...>  .  In the past we've said if you want that, put your dg in with a name, too.

Andy Seaborne: First part usual approach would be not using the word graph. FROM DEFAULT, FROM <...> . In the past we've said if you want that, put your dg in with a name, too.

14:33:52 <sandro> andy: It's not a perfect solution, true

Andy Seaborne: It's not a perfect solution, true

14:34:23 <sandro> andy: If you're using multipl FROMs you're asking for a kind of merge.   You can use GRAPH for that, although it's not pretty.

Andy Seaborne: If you're using multipl FROMs you're asking for a kind of merge. You can use GRAPH for that, although it's not pretty.

14:34:50 <AxelPolleres> you can use GRAPH for that, all above that would be Composite_Dataset (cf. posponed features)?

Axel Polleres: you can use GRAPH for that, all above that would be Composite_Dataset (cf. posponed features)?

14:35:14 <sandro> AndyS: Greg, does your system offer a choice about what the dg is?

Andy Seaborne: Greg, does your system offer a choice about what the dg is?

14:35:29 <sandro> kasei: No, I've never offered a union default

Gregory Williams: No, I've never offered a union default

14:35:47 <sandro> AndyS: Last thing - year Compisite_Dataset feature.   I don't think it's trivial.

Andy Seaborne: Last thing - year Compisite_Dataset feature. I don't think it's trivial.



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This revision (#1) generated 2012-08-14 14:43:30 UTC by 'unknown', comments: None