edit

SPARQL Working Group

Minutes of 16 February 2010

Seen
Alexandre Passant, Andy Seaborne, Axel Polleres, Birte Glimm, Chimezie Ogbuji, David Charboneau, Gregory Williams, Ivan Herman, Lee Feigenbaum, Luke Wilson-Mawer, Matthew Perry, Olivier Corby, Orri Erling, Paula Gearon, Prateek Jain, Sandro Hawke, Souripriya Das, Steve Harris
Regrets
Andy Seaborne, Lee Feigenbaum, Matthew Perry
Scribe
Gregory Williams, Ivan Herman
IRC Log
Original
Resolutions
  1. Approve minutes at http://www.w3.org/2009/sparql/meeting/2010-02-09 link
Topics
14:53:01 <RRSAgent> logging to http://www.w3.org/2010/02/16-sparql-irc

RRSAgent IRC Bot: logging to http://www.w3.org/2010/02/16-sparql-irc

14:53:11 <AxelPolleres> Zakim, this will be sparql

Axel Polleres: Zakim, this will be sparql

14:53:11 <Zakim> ok, AxelPolleres; I see SW_(SPARQL)10:00AM scheduled to start in 7 minutes

Zakim IRC Bot: ok, AxelPolleres; I see SW_(SPARQL)10:00AM scheduled to start in 7 minutes

14:53:32 <AxelPolleres> oh, indeed...

Axel Polleres: oh, indeed...

14:57:47 <AxelPolleres> AxelPolleres has changed the topic to: http://www.w3.org/2009/sparql/wiki/Agenda-2010-02-16 (AxelPolleres)

Axel Polleres: AxelPolleres has changed the topic to: http://www.w3.org/2009/sparql/wiki/Agenda-2010-02-16 (AxelPolleres)

14:57:54 <kasei>   I can if necessary, but the agenda is SD-heavy, so might be talking a lot..

Gregory Williams: I can if necessary, but the agenda is SD-heavy, so might be talking a lot..

14:58:47 <AxelPolleres> regrets: AndyS, LeeF, MattPerry
14:59:09 <Zakim> SW_(SPARQL)10:00AM has now started

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

14:59:16 <Zakim> + +0186528aaaa

Zakim IRC Bot: + +0186528aaaa

14:59:26 <Zakim> + +1.919.543.aabb

Zakim IRC Bot: + +1.919.543.aabb

14:59:32 <bglimm> Zakim, +0186528aaaa is me

Birte Glimm: Zakim, +0186528aaaa is me

14:59:32 <Zakim> +bglimm; got it

Zakim IRC Bot: +bglimm; got it

14:59:43 <Zakim> + +03539149aacc

Zakim IRC Bot: + +03539149aacc

14:59:58 <AxelPolleres> greg... let's do the following, you start, when SD comes on, you just take over chairng that item, and I scribe, if ivanH isn't here yet

Axel Polleres: greg... let's do the following, you start, when SD comes on, you just take over chairng that item, and I scribe, if ivanH isn't here yet

15:00:02 <Zakim> + +49.238.aadd

Zakim IRC Bot: + +49.238.aadd

15:00:08 <Zakim> + +1.312.863.aaee

Zakim IRC Bot: + +1.312.863.aaee

15:00:13 <AxelPolleres> Zakim, aacc is me

Axel Polleres: Zakim, aacc is me

15:00:18 <Zakim> + +1.518.276.aaff

Zakim IRC Bot: + +1.518.276.aaff

15:00:18 <kasei> Axel, sure.

Gregory Williams: Axel, sure.

15:00:22 <Zakim> + +1.770.910.aagg

Zakim IRC Bot: + +1.770.910.aagg

15:00:25 <pgearon> Zakim, aaee is me

Paula Gearon: Zakim, aaee is me

15:00:25 <kasei> Zakim, aaff is me

Gregory Williams: Zakim, aaff is me

15:00:27 <AxelPolleres> scribe: Greg Williams

(Scribe set to Gregory Williams)

15:00:28 <Zakim> +AxelPolleres; got it

Zakim IRC Bot: +AxelPolleres; got it

15:00:32 <Zakim> +pgearon; got it

Zakim IRC Bot: +pgearon; got it

15:00:34 <Zakim> +kasei; got it

Zakim IRC Bot: +kasei; got it

15:00:34 <AxelPolleres> scribenick: kasei
15:00:36 <pgearon> Zakim, aaee is me

Paula Gearon: Zakim, aaee is me

15:00:42 <Zakim> sorry, pgearon, I do not recognize a party named 'aaee'

Zakim IRC Bot: sorry, pgearon, I do not recognize a party named 'aaee'

15:00:47 <Prateek> Zakim, +1.770.910.aagg is Prateek

Prateek Jain: Zakim, +1.770.910.aagg is Prateek

15:00:48 <Zakim> +Prateek; got it

Zakim IRC Bot: +Prateek; got it

15:00:55 <AxelPolleres> Zakim, who is on the phone?

Axel Polleres: Zakim, who is on the phone?

15:00:55 <Zakim> On the phone I see bglimm, +1.919.543.aabb, AxelPolleres, +49.238.aadd, pgearon, kasei, Prateek

Zakim IRC Bot: On the phone I see bglimm, +1.919.543.aabb, AxelPolleres, +49.238.aadd, pgearon, kasei, Prateek

15:01:04 <Zakim> -Prateek

Zakim IRC Bot: -Prateek

15:01:13 <OlivierCorby> Zakim, aadd is me

Olivier Corby: Zakim, aadd is me

15:01:13 <Zakim> +OlivierCorby; got it

Zakim IRC Bot: +OlivierCorby; got it

15:01:32 <kasei> Zakim, mute me

Zakim, mute me

15:01:32 <Zakim> kasei should now be muted

Zakim IRC Bot: kasei should now be muted

15:01:40 <Zakim> +Prateek

Zakim IRC Bot: +Prateek

15:01:42 <Zakim> +??P34

Zakim IRC Bot: +??P34

15:01:46 <Zakim> +??P32

Zakim IRC Bot: +??P32

15:01:47 <AxelPolleres> Zakim, who is on the phone?

Axel Polleres: Zakim, who is on the phone?

15:01:50 <Zakim> On the phone I see bglimm, +1.919.543.aabb, AxelPolleres, OlivierCorby, pgearon, kasei (muted), Prateek, ??P34, ??P32

Zakim IRC Bot: On the phone I see bglimm, +1.919.543.aabb, AxelPolleres, OlivierCorby, pgearon, kasei (muted), Prateek, ??P34, ??P32

15:01:53 <chimezie> Zakim, what is the passcode?

Chimezie Ogbuji: Zakim, what is the passcode?

15:01:53 <Zakim> the conference code is 77277 (tel:+1.617.761.6200 tel:+33.4.89.06.34.99 tel:+44.117.370.6152), chimezie

Zakim IRC Bot: the conference code is 77277 (tel:+1.617.761.6200 tel:+33.4.89.06.34.99 tel:+44.117.370.6152), chimezie

15:02:01 <dcharbon2> zakim, aabb is me

David Charboneau: zakim, aabb is me

15:02:02 <Zakim> +dcharbon2; got it

Zakim IRC Bot: +dcharbon2; got it

15:02:16 <LukeWM> Zakim, ??P32 is Garlik

Luke Wilson-Mawer: Zakim, ??P32 is Garlik

15:02:16 <Zakim> +Garlik; got it

Zakim IRC Bot: +Garlik; got it

15:02:24 <LukeWM> Garlik has LukeWM, SteveH

Luke Wilson-Mawer: Garlik has LukeWM, SteveH

15:02:25 <Zakim> +??P19

Zakim IRC Bot: +??P19

15:02:31 <AlexPassant> Zakim, ??p19 is me

Alexandre Passant: Zakim, ??p19 is me

15:02:31 <Zakim> +AlexPassant; got it

Zakim IRC Bot: +AlexPassant; got it

15:02:31 <AxelPolleres> Zakim, who is on the phone?

Axel Polleres: Zakim, who is on the phone?

15:02:35 <LukeWM> zakim, Garlik has LukeWM, SteveH

Luke Wilson-Mawer: zakim, Garlik has LukeWM, SteveH

15:02:35 <Zakim> +LukeWM, SteveH; got it

Zakim IRC Bot: +LukeWM, SteveH; got it

15:02:43 <Zakim> +Sandro

Zakim IRC Bot: +Sandro

15:02:49 <LukeWM> zakim, who is on the phone

Luke Wilson-Mawer: zakim, who is on the phone

15:02:49 <Zakim> I don't understand 'who is on the phone', LukeWM

Zakim IRC Bot: I don't understand 'who is on the phone', LukeWM

15:02:53 <Zakim> + +1.216.444.aahh

Zakim IRC Bot: + +1.216.444.aahh

15:03:04 <LukeWM> zakim who is on the phone?

Luke Wilson-Mawer: zakim who is on the phone?

15:03:06 <chimezie> Zakim, 444.aahh is me

Chimezie Ogbuji: Zakim, 444.aahh is me

15:03:09 <Zakim> sorry, chimezie, I do not recognize a party named '444.aahh'

Zakim IRC Bot: sorry, chimezie, I do not recognize a party named '444.aahh'

15:03:14 <ivanH> zakim, dial ivanH-voip

Ivan Herman: zakim, dial ivanH-voip

15:03:14 <LukeWM> zakim, who is on the phone?

Luke Wilson-Mawer: zakim, who is on the phone?

15:03:18 <chimezie> Zakim, 1.216.444.aahh is me

Chimezie Ogbuji: Zakim, 1.216.444.aahh is me

15:03:19 <Zakim> ok, ivanH; the call is being made

Zakim IRC Bot: ok, ivanH; the call is being made

15:03:21 <Zakim> On the phone I see bglimm, dcharbon2, AxelPolleres, OlivierCorby, pgearon, kasei (muted), Prateek, ??P34, Garlik, AlexPassant, Sandro, +1.216.444.aahh

Zakim IRC Bot: On the phone I see bglimm, dcharbon2, AxelPolleres, OlivierCorby, pgearon, kasei (muted), Prateek, ??P34, Garlik, AlexPassant, Sandro, +1.216.444.aahh

15:03:26 <Zakim> Garlik has LukeWM, SteveH

Zakim IRC Bot: Garlik has LukeWM, SteveH

15:03:30 <Zakim> +IvanH

Zakim IRC Bot: +IvanH

15:03:36 <Zakim> sorry, chimezie, I do not recognize a party named '1.216.444.aahh'

Zakim IRC Bot: sorry, chimezie, I do not recognize a party named '1.216.444.aahh'

15:03:38 <chimezie> Zakim, +1.216.444.aahh is me

Chimezie Ogbuji: Zakim, +1.216.444.aahh is me

15:03:42 <Zakim> +chimezie; got it

Zakim IRC Bot: +chimezie; got it

15:03:48 <ivanH> zakim, mute me

Ivan Herman: zakim, mute me

15:03:48 <Zakim> IvanH should now be muted

Zakim IRC Bot: IvanH should now be muted

15:03:52 <ivanH> scribe: IvanH

(Scribe set to Ivan Herman)

15:03:55 <Souri> ??p34 is me

Souripriya Das: ??p34 is me

15:03:55 <ivanH> scribenick: ivanH
15:04:02 <ivanH> topic: admin issues

1. admin issues

15:04:06 <chimezie> Zakim, mute me

Chimezie Ogbuji: Zakim, mute me

15:04:06 <Zakim> chimezie should now be muted

Zakim IRC Bot: chimezie should now be muted

15:04:06 <AxelPolleres> PROPOSED: Approve minutes at http://www.w3.org/2009/sparql/meeting/2010-02-09

PROPOSED: Approve minutes at http://www.w3.org/2009/sparql/meeting/2010-02-09

15:04:17 <ivanH> AxelPolleres: anybody comment?

Axel Polleres: anybody comment?

15:04:18 <ivanH> ...

...

15:04:19 <ivanH> ...

...

15:04:21 <ivanH> ..

..

15:04:22 <ivanH> ...

...

15:04:26 <AxelPolleres> RESOLVED: Approve minutes at http://www.w3.org/2009/sparql/meeting/2010-02-09

RESOLVED: Approve minutes at http://www.w3.org/2009/sparql/meeting/2010-02-09

15:04:29 <ivanH> once... twice...

once... twice...

15:04:33 <Souri> zakim, ??P34 is me

Souripriya Das: zakim, ??P34 is me

15:04:33 <Zakim> +Souri; got it

Zakim IRC Bot: +Souri; got it

15:04:35 <ivanH> topic: next meeting

2. next meeting

15:04:38 <ivanH> in a week

in a week

15:04:48 <ivanH> AxelPolleres: we have to think about f2f agenda

Axel Polleres: we have to think about f2f agenda

15:04:51 <Souri> Zakim, mute me

Souripriya Das: Zakim, mute me

15:04:51 <Zakim> Souri should now be muted

Zakim IRC Bot: Souri should now be muted

15:04:59 <ivanH> ... i am already discussing with lee

... i am already discussing with lee

15:05:06 <ivanH> ... main issue is to go towards last call

... main issue is to go towards last call

15:05:20 <ivanH> ... that is also look at the issues list

... that is also look at the issues list

15:05:29 <ivanH> ... if editors can look at their priorities

... if editors can look at their priorities

15:05:32 <ivanH> topic: comments

3. comments

15:05:32 <AxelPolleres> http://www.w3.org/2009/sparql/wiki/Comments

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

15:05:59 <ivanH> AxelPolleres: we have all open comments assigned last times

Axel Polleres: we have all open comments assigned last time

15:06:03 <ivanH> s/times/time/
15:06:12 <ivanH> ... aggregate is on the agenda for later today

... aggregate is on the agenda for later today

15:06:21 <ivanH> ... anybody has any news to report?

... anybody has any news to report?

15:06:31 <ivanH> once... twice... ... ...

once... twice... ... ...

15:06:41 <ivanH> AxelPolleres: none

Axel Polleres: none

15:06:45 <ivanH> topic: liaisons

4. liaisons

15:06:54 <ivanH> rdb2rdf, egov, and rif

rdb2rdf, egov, and rif

15:06:58 <ivanH> AxelPolleres: anything to report?

Axel Polleres: anything to report?

15:07:06 <bglimm> Zakim, mute me

Birte Glimm: Zakim, mute me

15:07:06 <Zakim> bglimm should now be muted

Zakim IRC Bot: bglimm should now be muted

15:07:16 <ivanH> AxelPolleres: sandro, would you mind to take over the liaison to rif?

Axel Polleres: sandro, would you mind to take over the liaison to rif?

15:07:19 <ivanH> sandro: is fine

Sandro Hawke: is fine

15:07:36 <ivanH> AxelPolleres: any issues you would be aware of?

Axel Polleres: any issues you would be aware of?

15:07:36 <Souri> zakim, unmute me

Souripriya Das: zakim, unmute me

15:07:36 <Zakim> Souri should no longer be muted

Zakim IRC Bot: Souri should no longer be muted

15:07:37 <ivanH> sandro: none

Sandro Hawke: none

15:07:45 <ivanH> AxelPolleres: rdb2rdf?

Axel Polleres: rdb2rdf?

15:08:01 <ivanH> Souri: nothing major, we did two groups now

Souripriya Das: nothing major, we did two groups now

15:08:14 <Zakim> +??P48

Zakim IRC Bot: +??P48

15:08:24 <ivanH> ... we are working on two sets of documents and then on use cases, nothing related to sparql

... we are working on two sets of documents and then on use cases, nothing related to sparql

15:08:27 <Souri> zakim, mute me

Souripriya Das: zakim, mute me

15:08:27 <Zakim> Souri should now be muted

Zakim IRC Bot: Souri should now be muted

15:08:34 <ivanH> AxelPolleres: SteveH anything for egov?

Axel Polleres: SteveH anything for egov?

15:08:50 <ivanH> SteveH: I cannot really see to participate on that group, would be good to have another liaison

Steve Harris: I cannot really see to participate on that group, would be good to have another liaison

15:08:54 <ivanH> sandro: that would be me :-(

Sandro Hawke: that would be me :-(

15:09:05 <ivanH> AxelPolleres: would you be able to report occasionally?

Axel Polleres: would you be able to report occasionally?

15:09:12 <ivanH> sandro: I will try...

Sandro Hawke: I will try...

15:09:34 <ivanH> topic: summary on sd issues

5. summary on sd issues

15:10:00 <AxelPolleres> http://lists.w3.org/Archives/Public/public-rdf-dawg/2010JanMar/0245.html

Axel Polleres: http://lists.w3.org/Archives/Public/public-rdf-dawg/2010JanMar/0245.html

15:10:05 <kasei> Zakim, unmute me

Gregory Williams: Zakim, unmute me

15:10:05 <Zakim> kasei should no longer be muted

Zakim IRC Bot: kasei should no longer be muted

15:10:31 <ivanH> kasei: the recent comment and my response yesterday sums up the state

Gregory Williams: the recent comment and my response yesterday sums up the state

15:10:39 <ivanH> ... the first thing is the available graph issue

... the first thing is the available graph issue

15:10:39 <kasei> http://kasei.us/2009/09/sparql/sd-example.ttl

Gregory Williams: http://kasei.us/2009/09/sparql/sd-example.ttl

15:10:55 <ivanH> kasei: i have been keeping up to date on the comments on that

Gregory Williams: i have been keeping up to date on the comments on that

15:11:09 <ivanH> ... the modeling of the available graphs is in the ??? descriptions

... the modeling of the available graphs is in the ??? descriptions

15:11:19 <ivanH> ... I think lee's suggestion is the right way to move forwards

... I think lee's suggestion is the right way to move forwards

15:11:26 <ivanH> ... modulo the name

... modulo the name

15:11:33 <ivanH> ... we would have graph collections

... we would have graph collections

15:11:44 <ivanH> ... resources would bring together all available the graph collection

... resources would bring together all available the graph collection

15:14:02 <ivanH> AxelPolleres: you said a dataset is a subclass of collection

Axel Polleres: you said a dataset is a subclass of collection

15:14:22 <ivanH> kasei: it remains any number of named graphs, but it also contains a default graph

Gregory Williams: it remains any number of named graphs, but it also contains a default graph

15:14:38 <ivanH> AxelPolleres: the question was whether we would advertise different datasets?

Axel Polleres: the question was whether we would advertise different datasets?

15:14:55 <ivanH> kasei: we talked about that earlier and we agreed that it would not make sense to define more datasets

Gregory Williams: we talked about that earlier and we agreed that it would not make sense to define more datasets

15:15:00 <ivanH> AxelPolleres: ok

Axel Polleres: ok

15:15:06 <AxelPolleres> q?

Axel Polleres: q?

15:15:34 <AxelPolleres> ack ??P32

Axel Polleres: ack ??P32

15:15:52 <LukeWM> ??P32 is us

Luke Wilson-Mawer: ??P32 is us

15:15:57 <LukeWM> we shouldn't be on the queue

Luke Wilson-Mawer: we shouldn't be on the queue

15:15:58 <ivanH> AxelPolleres: what is the concrete issue on that particular question

Axel Polleres: what is the concrete issue on that particular question

15:16:12 <ivanH> kasei: i do not believe there was any open issues on that

Gregory Williams: i do not believe there was any open issues on that

15:16:14 <ivanH> ... will check

... will check

15:16:23 <ivanH> AxelPolleres: what is next on your list

Axel Polleres: what is next on your list

15:16:27 <LukeWM> zakim, ack ??P32

Luke Wilson-Mawer: zakim, ack ??P32

15:16:27 <Zakim> I see no one on the speaker queue

Zakim IRC Bot: I see no one on the speaker queue

15:16:30 <ivanH> kasei: property functions issue

Gregory Williams: property functions issue

15:16:37 <ivanH> ... i have heard arguments on both sides

... i have heard arguments on both sides

15:16:45 <AxelPolleres> next issue... property functions declarations

Axel Polleres: next issue... property functions declarations

15:16:52 <ivanH> ... whether we would support an explicit name property function that a service supports

... whether we would support an explicit name property function that a service supports

15:16:58 <ivanH> ... i would be fine including this

... i would be fine including this

15:17:05 <ivanH> ... lee expressed concerns

... lee expressed concerns

15:17:16 <ivanH> ... wording would be tricky, there is no spec we can refer to

... wording would be tricky, there is no spec we can refer to

15:17:30 <ivanH> ... it is legal under sparql but is not discussed anywhere

... it is legal under sparql but is not discussed anywhere

15:17:45 <ivanH> AxelPolleres: we have not even had this under the elected features

Axel Polleres: we have not even had this under the elected features

15:17:58 <SteveH> +1

Steve Harris: +1

15:18:01 <SteveH> not +1

Steve Harris: not +1

15:18:03 <SteveH> q+

Steve Harris: q+

15:18:14 <ivanH> kasei: it seems that it exists in the gray area like the default graph being the union of all named graphs, is there and not explicitly discussed in the spec

Gregory Williams: it seems that it exists in the gray area like the default graph being the union of all named graphs, is there and not explicitly discussed in the spec

15:18:29 <ivanH> kasei: i am willing to include it unless somebody objects and modulo a proper wording

Gregory Williams: i am willing to include it unless somebody objects and modulo a proper wording

15:18:43 <ivanH> SteveH: i would object to it

Steve Harris: i would object to it

15:19:01 <ivanH> ... it is bizarre to standardize

... it is bizarre to standardize

15:19:18 <ivanH> ... the example of default graph is explicitly in the spec, so this is not the same

... the example of default graph is explicitly in the spec, so this is not the same

15:19:33 <ivanH> kasei: i am not sure they are all that difference on the level of specing in the documents

Gregory Williams: i am not sure they are all that difference on the level of specing in the documents

15:19:35 <AxelPolleres> some reservations against saying something about property functions...

Axel Polleres: some reservations against saying something about property functions...

15:19:54 <ivanH> SteveH: a section in the spec that explicitly does that

Steve Harris: a section in the spec that explicitly does that

15:20:03 <ivanH> ... I forget exactly which

... I forget exactly which

15:20:23 <ivanH> AxelPolleres: we have a dataset description out of our scope, we refer to VoiD

Axel Polleres: we have a dataset description out of our scope, we refer to VoiD

15:20:38 <ivanH> ... would not this a possible candidate for extension like VoiD?

... would not this a possible candidate for extension like VoiD?

15:20:48 <ivanH> ... although we do not have any external spec

... although we do not have any external spec

15:20:55 <SteveH> kasei, section 8.1 "RDF data can be combined by the RDF merge [RDF-MT] of graphs. One possible arrangement of graphs in an RDF Dataset is to have the default graph be the RDF merge of some or all of the information in the named graphs."

Steve Harris: kasei, section 8.1 "RDF data can be combined by the RDF merge [RDF-MT] of graphs. One possible arrangement of graphs in an RDF Dataset is to have the default graph be the RDF merge of some or all of the information in the named graphs."

15:21:06 <ivanH> kasei: the difference that VoiD fits nicely to the way we model things

Gregory Williams: the difference that VoiD fits nicely to the way we model things

15:21:35 <ivanH> ... here we would have a property referring to a URI describing the function

... here we would have a property referring to a URI describing the function

15:21:39 <ivanH> ... but we lack the spec

... but we lack the spec

15:22:17 <ivanH> AxelPolleres: there is a difference in how it works, but both have an ontology describing that thing

Axel Polleres: there is a difference in how it works, but both have an ontology describing that thing

15:22:37 <ivanH> ... if we have a link describing a dataset, couldn't have a link to something describing the property function

... if we have a link describing a dataset, couldn't have a link to something describing the property function

15:22:44 <ivanH> ... i am not 100% sure

... i am not 100% sure

15:22:56 <ivanH> kasei: i would be hesitant to merge those two

Gregory Williams: i would be hesitant to merge those two

15:23:41 <ivanH> ... if two datasets are implemented by two services, one having a function and the other not, you do not want to describe that as part of the dataset description, this is an implementation issue

... if two datasets are implemented by two services, one having a function and the other not, you do not want to describe that as part of the dataset description, this is an implementation issue

15:24:09 <ivanH> AxelPolleres: you would like to have it, and SteveH does not, we may want to open an issue and solve that at some point

Axel Polleres: you would like to have it, and SteveH does not, we may want to open an issue and solve that at some point

15:24:29 <ivanH> SteveH: it seems very peculiar for a rec on a feature that is not being standardized

Steve Harris: it seems very peculiar for a rec on a feature that is not being standardized

15:24:35 <AxelPolleres> ISSUE: Do we need (descriptions of) property functions in SD? Is this in scope for us?

ISSUE: Do we need (descriptions of) property functions in SD? Is this in scope for us?

15:24:35 <trackbot> Created ISSUE-54 - Do we need (descriptions of) property functions in SD? Is this in scope for us?  ; please complete additional details at http://www.w3.org/2009/sparql/track/issues/54/edit .

Trackbot IRC Bot: Created ISSUE-54 - Do we need (descriptions of) property functions in SD? Is this in scope for us? ; please complete additional details at http://www.w3.org/2009/sparql/track/issues/54/edit .

15:24:46 <ivanH> kasei: part of the motivation that one can describe implementations that are convergent

Gregory Williams: part of the motivation that one can describe implementations that are convergent

15:24:55 <ivanH> ... many people have this feature and is widely implemented

... many people have this feature and is widely implemented

15:25:14 <ivanH> ... my support for this is very mild at this point

... my support for this is very mild at this point

15:25:37 <ivanH> .... lee's suggestion is that it is so widely implemented and it requires very little for our part adding it

.... lee's suggestion is that it is so widely implemented and it requires very little for our part adding it

15:27:08 <ivanH> SteveH: to be useful we have to standardize the actual function;

Steve Harris: to be useful we have to standardize the actual function;

15:27:21 <ivanH> kasei: you can do that in the extension functions already

Gregory Williams: you can do that in the extension functions already

15:28:13 <ivanH> orri: you cannot refer to a standard name that you cannot define

Orri Erling: you cannot refer to a standard name that you cannot define

15:28:26 <ivanH> .. it would be very useful if this behaviour did have a name

.. it would be very useful if this behaviour did have a name

15:28:43 <ivanH> ... even standardizing what we mean would not ask for lots of space in the document

... even standardizing what we mean would not ask for lots of space in the document

15:28:48 <pgearon> I'd like to see a description that listed predicates that provide property functions

Paula Gearon: I'd like to see a description that listed predicates that provide property functions

15:28:50 <AxelPolleres> link to the email?

Axel Polleres: link to the email?

15:29:12 <ivanH> kasei: we could say that if you see that property function it would act differently

Gregory Williams: we could say that if you see that property function it would act differently

15:29:23 <ivanH> AxelPolleres: any more new insight at this point?

Axel Polleres: any more new insight at this point?

15:29:29 <pgearon> +1 to what kasei said

Paula Gearon: +1 to what kasei said

15:29:30 <ivanH> ... or put it on email

... or put it on email

15:29:48 <kasei> http://lists.w3.org/Archives/Public/public-rdf-dawg/2010JanMar/0316.html

Gregory Williams: http://lists.w3.org/Archives/Public/public-rdf-dawg/2010JanMar/0316.html

15:30:05 <chimezie> I would be interested in seeing how the current spec can be said to provide a mechanism for this

Chimezie Ogbuji: I would be interested in seeing how the current spec can be said to provide a mechanism for this

15:30:09 <chimezie> because I don't see how it would

Chimezie Ogbuji: because I don't see how it would

15:30:22 <ivanH> AxelPolleres: I would suggest that people who care about this responds

Axel Polleres: I would suggest that people who care about this responds

15:30:39 <ivanH> AxelPolleres: is there anything else?

Axel Polleres: is there anything else?

15:30:48 <kasei> having trouble hearing over typing

Gregory Williams: having trouble hearing over typing

15:31:16 <ivanH> kasei: the other issues are not controversial just have to be done

Gregory Williams: the other issues are not controversial just have to be done

15:31:34 <kasei> still need to talk about issue 43?

Gregory Williams: still need to talk about ISSUE-43?

15:31:52 <ivanH> AxelPolleres: one more comment, there was one issue on entailment

Axel Polleres: one more comment, there was one issue on entailment

15:32:01 <bglimm> Zakim, unmute me

Birte Glimm: Zakim, unmute me

15:32:01 <Zakim> bglimm should no longer be muted

Zakim IRC Bot: bglimm should no longer be muted

15:32:08 <ivanH> ... whether we can different entailment on different graphs

... whether we can different entailment on different graphs

15:32:28 <ivanH> bglimm: ?? wanted to say that one graph uses rdfs and the other one simple, for example

Birte Glimm: AndyS wanted to say that one graph uses rdfs and the other one simple, for example

15:32:37 <bglimm> s/??/AndyS
15:32:52 <ivanH> AxelPolleres: that is issue 43, which is still open

Axel Polleres: that is ISSUE-43, which is still open

15:33:31 <ivanH> zakim, unmute me

zakim, unmute me

15:33:31 <Zakim> IvanH should no longer be muted

Zakim IRC Bot: IvanH should no longer be muted

15:33:59 <ivanH> zakim, drop me

zakim, drop me

15:33:59 <Zakim> IvanH is being disconnected

Zakim IRC Bot: IvanH is being disconnected

15:34:00 <Zakim> -IvanH

Zakim IRC Bot: -IvanH

15:34:07 <kasei> scribenick: kasei

(Scribe set to Gregory Williams)

15:34:09 <ivanH> zakim, dial ivanH-voip

Ivan Herman: zakim, dial ivanH-voip

15:34:09 <Zakim> ok, ivanH; the call is being made

Zakim IRC Bot: ok, ivanH; the call is being made

15:34:11 <Zakim> +IvanH

Zakim IRC Bot: +IvanH

15:34:24 <ivanH> scribenick: ivanH

(Scribe set to Ivan Herman)

15:34:26 <AxelPolleres> ISSUE-43 ... if we need to have different entailments described, we need aproposal

Axel Polleres: ISSUE-43 ... if we need to have different entailments described, we need aproposal

15:34:52 <ivanH> subtopic: powder

5.1. powder

15:34:59 <AxelPolleres> greg?

Axel Polleres: greg?

15:35:01 <bglimm> Zakim, mute me

Birte Glimm: Zakim, mute me

15:35:01 <Zakim> bglimm should now be muted

Zakim IRC Bot: bglimm should now be muted

15:35:04 <ivanH> AxelPolleres: any powder expertise

Axel Polleres: any powder expertise

15:35:25 <ivanH> kasei: this was to see if we can include a way to talk about a collection of graphs

Gregory Williams: this was to see if we can include a way to talk about a collection of graphs

15:35:36 <ivanH> ... and powder might be able to do this

... and powder might be able to do this

15:35:43 <ivanH> q+

q+

15:35:49 <ivanH> zakim, mute me

zakim, mute me

15:35:49 <Zakim> IvanH should now be muted

Zakim IRC Bot: IvanH should now be muted

15:36:03 <chimezie> Zakim, unmute me

Chimezie Ogbuji: Zakim, unmute me

15:36:03 <Zakim> chimezie should no longer be muted

Zakim IRC Bot: chimezie should no longer be muted

15:36:05 <AxelPolleres> could anyone jump in here with help on POWDER?

Axel Polleres: could anyone jump in here with help on POWDER?

15:36:08 <AxelPolleres> q?

Axel Polleres: q?

15:36:08 <SteveH> q-

Steve Harris: q-

15:36:14 <ivanH> ack ivanH

ack ivanH

15:37:40 <ivanH> ivanH: if somebody asks the question on that, I am happy to try to answer it

Ivan Herman: if somebody asks the question on that, I am happy to try to answer it

15:37:45 <ivanH> zakim, mute me

zakim, mute me

15:37:45 <Zakim> IvanH should now be muted

Zakim IRC Bot: IvanH should now be muted

15:38:12 <AxelPolleres> ACTION: greg to get back to ivanH on the usabuility of POWDER for SD.

ACTION: greg to get back to ivanH on the usabuility of POWDER for SD.

15:38:12 <trackbot> Created ACTION-189 - Get back to ivanH on the usabuility of POWDER for SD. [on Gregory Williams - due 2010-02-23].

Trackbot IRC Bot: Created ACTION-189 - Get back to ivanH on the usabuility of POWDER for SD. [on Gregory Williams - due 2010-02-23].

15:38:35 <ivanH> topic: alternative aggregate design, comment form della valle

6. alternative aggregate design, comment from della valle

15:38:40 <AxelPolleres> http://lists.w3.org/Archives/Public/public-rdf-dawg-comments/2010Feb/0006.html

Axel Polleres: http://lists.w3.org/Archives/Public/public-rdf-dawg-comments/2010Feb/0006.html

15:38:41 <ivanH> s/form/from/
15:38:54 <ivanH> AxelPolleres: we had an action on SteveH

Axel Polleres: we had an action on SteveH

15:39:06 <ivanH> ... is it too early to discuss it?

... is it too early to discuss it?

15:39:20 <ivanH> SteveH: I do not feel to have a good grasp on what it does

Steve Harris: I do not feel to have a good grasp on what it does

15:39:29 <ivanH> ... it seems to be just syntax

... it seems to be just syntax

15:39:41 <ivanH> AxelPolleres: i read through it and wrote a mail to the list with open questions

Axel Polleres: i read through it and wrote a mail to the list with open questions

15:39:45 <kasei> Zakim, mute me

Gregory Williams: Zakim, mute me

15:39:45 <Zakim> kasei should now be muted

Zakim IRC Bot: kasei should now be muted

15:39:48 <ivanH> ... mostly clarification questions

... mostly clarification questions

15:40:02 <ivanH> ... i would like to get back to to emmanuele

... i would like to get back to to emmanuele

15:40:10 <ivanH> ... in general there are merits in the proposal

... in general there are merits in the proposal

15:40:30 <ivanH> ... the main benefit seems to be that it allows to define several aggregates on the same solution set in parallel

... the main benefit seems to be that it allows to define several aggregates on the same solution set in parallel

15:40:35 <ivanH> ... i am not sure we can do that

... i am not sure we can do that

15:40:48 <ivanH> AxelPolleres: we would need to have several subqueries

Axel Polleres: we would need to have several subqueries

15:41:02 <ivanH> SteveH: you cannot have different groupings on aggregate functions

Steve Harris: you cannot have different groupings on aggregate functions

15:41:09 <ivanH> ... in the current syntax

... in the current syntax

15:41:29 <ivanH> AxelPolleres: he had an example where he can do something more concise than we cat

Axel Polleres: he had an example where he can do something more concise than we cat

15:41:45 <ivanH> orri: sql has a model with different grouping for aggregates

Orri Erling: sql has a model with different grouping for aggregates

15:42:04 <ivanH> AxelPolleres: orri, could you look at that mail as well to see how this is addressed

Axel Polleres: orri, could you look at that mail as well to see how this is addressed

15:42:33 <ivanH> orri: on the sql side we can do this rollup side, and it would be quite possible to take the sql semantics to sparql

Orri Erling: on the sql side we can do this rollup side, and it would be quite possible to take the sql semantics to sparql

15:42:39 <ivanH> AxelPolleres: is it in our scope

Axel Polleres: is it in our scope

15:42:49 <ivanH> SteveH: it is in our scope, i am not sure about the syntax

Steve Harris: it is in our scope, i am not sure about the syntax

15:43:01 <ivanH> ... you have to know a lot to understand what is happening

... you have to know a lot to understand what is happening

15:43:17 <ivanH> ... in its current form it is not very tempting

... in its current form it is not very tempting

15:43:30 <ivanH> AxelPolleres: it would be interesting to see how it is done in sql

Axel Polleres: it would be interesting to see how it is done in sql

15:43:43 <ivanH> ... Orri, can you get back on that?

... Orri, can you get back on that?

15:43:50 <ivanH> Orri: I will look at up

Orri Erling: I will look it up

15:43:58 <ivanH> s/at/it/
15:44:06 <AxelPolleres> ACTION: Orri to send some comment to the list how multiple groupings at once work in SQL

ACTION: Orri to send some comment to the list how multiple groupings at once work in SQL

15:44:06 <trackbot> Created ACTION-190 - Send some comment to the list how multiple groupings at once work in SQL [on Orri Erling - due 2010-02-23].

Trackbot IRC Bot: Created ACTION-190 - Send some comment to the list how multiple groupings at once work in SQL [on Orri Erling - due 2010-02-23].

15:44:37 <ivanH> AxelPolleres: in the meantime, if there are no objections, i will get back to emmanuelle for clarification questions though that would not be the official answer

Axel Polleres: in the meantime, if there are no objections, i will get back to emmanuelle for clarification questions though that would not be the official answer

15:45:12 <Zakim> -AlexPassant

Zakim IRC Bot: -AlexPassant

15:45:32 <ivanH> topic: test cases

7. test cases

15:45:50 <ivanH> AxelPolleres: there is some wiki page

Axel Polleres: there is some wiki page

15:45:55 <ivanH> ... not too much at the moment

... not too much at the moment

15:46:24 <AxelPolleres> http://www.w3.org/2009/sparql/wiki/index.php?title=Category:Testing&action=edit

Axel Polleres: http://www.w3.org/2009/sparql/wiki/index.php?title=Category:Testing&action=edit

15:46:30 <Zakim> +??P1

Zakim IRC Bot: +??P1

15:46:33 <AlexPassant> Zakim, ??p1 is me

Alexandre Passant: Zakim, ??p1 is me

15:46:33 <Zakim> +AlexPassant; got it

Zakim IRC Bot: +AlexPassant; got it

15:46:38 <ivanH> AxelPolleres: the main point is to define test cases

Axel Polleres: the main point is to define test cases

15:46:57 <ivanH> ... the mail of emmanuelle brings in some interesting test cases

... the mail of emmanuelle brings in some interesting test cases

15:47:08 <ivanH> ... the question is who would do it, what is the way to proceed

... the question is who would do it, what is the way to proceed

15:47:13 <AxelPolleres> ... we have some in the spec?

Axel Polleres: ... we have some in the spec?

15:47:15 <ivanH> ... opinions?

... opinions?

15:47:33 <AxelPolleres> q?

Axel Polleres: q?

15:47:35 <ivanH> AxelPolleres: any experience how the test cases were elaborated in the last group?

Axel Polleres: any experience how the test cases were elaborated in the last group?

15:47:51 <ivanH> (more enthusiasm required!!!)

(more enthusiasm required!!!)

15:47:57 <Souri> Lee would be the best person to do that

Souripriya Das: Lee would be the best person to do that

15:48:19 <ivanH> AxelPolleres: we can pick some victims to extract the test cases in the form of examples

Axel Polleres: we can pick some victims to extract the test cases in the form of examples

15:48:28 <ivanH> ... and elaborate the test cases

... and elaborate the test cases

15:48:40 <ivanH> ... we could do that for query, update, etc

... we could do that for query, update, etc

15:48:51 <ivanH> ... what we need is basically volounteers

... what we need is basically volounteers

15:49:09 <ivanH> (Axel desperately trying to generate enthusiasm...)

(Axel desperately trying to generate enthusiasm...)

15:49:47 <ivanH> AxelPolleres: if nobody comes forward I can make some starting points and pick victims

Axel Polleres: if nobody comes forward I can make some starting points and pick victims

15:49:54 <ivanH> ... if nothing else works

... if nothing else works

15:50:16 <ivanH> (everybody ducks...)

(everybody ducks...)

15:51:18 <ivanH> AxelPolleres: if I look at the features than we have aggregate functions, update, service descriptions, and of course entailment and property paths

Axel Polleres: if I look at the features than we have aggregate functions, update, service descriptions, and of course entailment and property paths

15:51:35 <ivanH> ... and query

... and query

15:51:43 <AxelPolleres>     *  Query language expressivity

Axel Polleres: * Query language expressivity

15:51:43 <AxelPolleres>           o Aggregate functions

Axel Polleres: o Aggregate functions

15:51:43 <AxelPolleres>           o Subqueries

Axel Polleres: o Subqueries

15:51:43 <AxelPolleres>           o Negation

Axel Polleres: o Negation

15:51:44 <AxelPolleres>           o Project expressions

Axel Polleres: o Project expressions

15:51:44 <AxelPolleres>     * Update

Axel Polleres: * Update

15:51:46 <AxelPolleres>     * Service description

Axel Polleres: * Service description

15:51:49 <AxelPolleres> Entailment RDFS

Axel Polleres: Entailment RDFS

15:51:55 <AxelPolleres> Entailment OWL

Axel Polleres: Entailment OWL

15:52:00 <AxelPolleres> PropertyPaths

Axel Polleres: PropertyPaths

15:52:05 <ivanH> ... it would be a good starting point

... it would be a good starting point

15:52:24 <ivanH> AxelPolleres: any volounteers for queries and aggregate functions?

Axel Polleres: any volounteers for queries and aggregate functions?

15:52:32 <ivanH> ... I might go ahead I might do this

... I might go ahead I might do this

15:52:36 <ivanH> :-(

:-(

15:52:45 <AxelPolleres> ACTION: Axel to collect test cases for aggegate functions

ACTION: Axel to collect test cases for aggegate functions

15:52:45 <trackbot> Created ACTION-191 - Collect test cases for aggegate functions [on Axel Polleres - due 2010-02-23].

Trackbot IRC Bot: Created ACTION-191 - Collect test cases for aggegate functions [on Axel Polleres - due 2010-02-23].

15:52:52 <dcharbon2> I volunteer for subqueries

David Charboneau: I volunteer for subqueries

15:53:05 <OlivierCorby> I am ok 2

Olivier Corby: I am ok 2

15:53:32 <AxelPolleres> ACTION: David to collect testcases for subqueries

ACTION: David to collect testcases for subqueries

15:53:32 <trackbot> Sorry, amibiguous username (more than one match) - David

Trackbot IRC Bot: Sorry, amibiguous username (more than one match) - David

15:53:32 <trackbot> Try using a different identifier, such as family name or username (eg. dcharbon2, dnewman2)

Trackbot IRC Bot: Try using a different identifier, such as family name or username (eg. dcharbon2, dnewman2)

15:53:54 <ivanH> action: dcharbon2 to collect test cases for subqueries

ACTION: dcharbon2 to collect test cases for subqueries

15:53:54 <trackbot> Created ACTION-192 - Collect test cases for subqueries [on David Charboneau - due 2010-02-23].

Trackbot IRC Bot: Created ACTION-192 - Collect test cases for subqueries [on David Charboneau - due 2010-02-23].

15:53:56 <AxelPolleres> ACTION: Olivier to collect testcases for subqueries

ACTION: Olivier to collect testcases for subqueries

15:53:56 <trackbot> Created ACTION-193 - Collect testcases for subqueries [on Olivier Corby - due 2010-02-23].

Trackbot IRC Bot: Created ACTION-193 - Collect testcases for subqueries [on Olivier Corby - due 2010-02-23].

15:54:52 <AxelPolleres> ACTION: chime to collect testcases for negation

ACTION: chime to collect testcases for negation

15:54:52 <trackbot> Created ACTION-194 - Collect testcases for negation [on Chimezie Ogbuji - due 2010-02-23].

Trackbot IRC Bot: Created ACTION-194 - Collect testcases for negation [on Chimezie Ogbuji - due 2010-02-23].

15:55:28 <AxelPolleres> ACTION: Olivier to collect test cases for Project Expressions.

ACTION: Olivier to collect test cases for Project Expressions.

15:55:28 <trackbot> Created ACTION-195 - Collect test cases for Project Expressions. [on Olivier Corby - due 2010-02-23].

Trackbot IRC Bot: Created ACTION-195 - Collect test cases for Project Expressions. [on Olivier Corby - due 2010-02-23].

15:55:37 <AxelPolleres> ACTION: Axel to collect test cases for Project Expressions.

ACTION: Axel to collect test cases for Project Expressions.

15:55:37 <trackbot> Created ACTION-196 - Collect test cases for Project Expressions. [on Axel Polleres - due 2010-02-23].

Trackbot IRC Bot: Created ACTION-196 - Collect test cases for Project Expressions. [on Axel Polleres - due 2010-02-23].

15:55:56 <SteveH> q+

Steve Harris: q+

15:56:37 <ivanH> SteveH: the format does not work for update

Steve Harris: the format does not work for update

15:56:47 <pgearon> +q

Paula Gearon: +q

15:56:49 <ivanH> AxelPolleres: so that has to be updated for update indeed

Axel Polleres: so that has to be updated for update indeed

15:56:52 <AxelPolleres> Update... we probably need some format extension for update.

Axel Polleres: Update... we probably need some format extension for update.

15:56:53 <ivanH> ack SteveH

ack SteveH

15:56:57 <ivanH> ack pgearon

ack pgearon

15:57:17 <ivanH> pgearon: i can work to redraft the framework for that

Paula Gearon: i can work to redraft the framework for that

15:57:57 <AxelPolleres> ... test cases for update absolutely needs adaption

Axel Polleres: ... test cases for update absolutely needs adaption

15:58:11 <ivanH> ... i can work with somebody to ensure that it would be all right

... i can work with somebody to ensure that it would be all right

15:58:33 <AxelPolleres> ACTION: Paul to get back to Andy to work on how to adapt the test cases format for update.

ACTION: Paul to get back to Andy to work on how to adapt the test cases format for update.

15:58:33 <trackbot> Created ACTION-197 - Get back to Andy to work on how to adapt the test cases format for update. [on Paul Gearon - due 2010-02-23].

Trackbot IRC Bot: Created ACTION-197 - Get back to Andy to work on how to adapt the test cases format for update. [on Paul Gearon - due 2010-02-23].

15:59:30 <OlivierCorby> ok for property path

Olivier Corby: ok for property path

15:59:49 <AxelPolleres> ACTION: Olivier to collect test cases for property paths

ACTION: Olivier to collect test cases for property paths

15:59:50 <trackbot> Created ACTION-198 - Collect test cases for property paths [on Olivier Corby - due 2010-02-23].

Trackbot IRC Bot: Created ACTION-198 - Collect test cases for property paths [on Olivier Corby - due 2010-02-23].

15:59:55 <ivanH> (AxelPolleres has succeeded in creating enthusiasm!!! Kudos:-)

(AxelPolleres has succeeded in creating enthusiasm!!! Kudos:-)

16:00:04 <bglimm> Zakim, unmute me

Birte Glimm: Zakim, unmute me

16:00:04 <Zakim> bglimm should no longer be muted

Zakim IRC Bot: bglimm should no longer be muted

16:00:09 <sandro> Top of the hour, gotta go.

Sandro Hawke: Top of the hour, gotta go.

16:00:17 <Zakim> -Sandro

Zakim IRC Bot: -Sandro

16:00:31 <AxelPolleres> ACTION: Birte to collect test cases for entailment

ACTION: Birte to collect test cases for entailment

16:00:31 <trackbot> Created ACTION-199 - Collect test cases for entailment [on Birte Glimm - due 2010-02-23].

Trackbot IRC Bot: Created ACTION-199 - Collect test cases for entailment [on Birte Glimm - due 2010-02-23].

16:00:47 <ivanH> rrsagent, draft minutes

rrsagent, draft minutes

16:00:47 <RRSAgent> I have made the request to generate http://www.w3.org/2010/02/16-sparql-minutes.html ivanH

RRSAgent IRC Bot: I have made the request to generate http://www.w3.org/2010/02/16-sparql-minutes.html ivanH

16:00:52 <LukeWM> bye

Luke Wilson-Mawer: bye

16:00:53 <bglimm> Bye.

Birte Glimm: Bye.

16:00:54 <kasei> Axel: can you close action 176 for me?

Axel Polleres: can you close ACTION-176 for me? [ Scribe Assist by Gregory Williams ]

16:00:56 <Zakim> -??P48

Zakim IRC Bot: -??P48

16:00:56 <Zakim> -chimezie

Zakim IRC Bot: -chimezie

16:00:57 <AxelPolleres> adjourned

Axel Polleres: adjourned

16:00:57 <Zakim> -AlexPassant

Zakim IRC Bot: -AlexPassant

16:00:58 <Zakim> -Prateek

Zakim IRC Bot: -Prateek

16:00:59 <Zakim> -pgearon

Zakim IRC Bot: -pgearon

16:01:02 <AxelPolleres> greg, sure.

Axel Polleres: greg, sure.

16:01:07 <Zakim> -kasei

Zakim IRC Bot: -kasei

16:01:08 <Zakim> -OlivierCorby

Zakim IRC Bot: -OlivierCorby

16:01:09 <ivanH> zakim, drop me

zakim, drop me

16:01:09 <Zakim> IvanH is being disconnected

Zakim IRC Bot: IvanH is being disconnected

16:01:09 <Zakim> -IvanH

Zakim IRC Bot: -IvanH

16:01:19 <Zakim> -dcharbon2

Zakim IRC Bot: -dcharbon2

16:01:34 <Zakim> -Souri

Zakim IRC Bot: -Souri

16:01:48 <AxelPolleres> rrsagent, make records public

Axel Polleres: rrsagent, make records public

16:02:19 <ivanH> rrsagent, draft minutes

rrsagent, draft minutes

16:02:19 <RRSAgent> I have made the request to generate http://www.w3.org/2010/02/16-sparql-minutes.html ivanH

RRSAgent IRC Bot: I have made the request to generate http://www.w3.org/2010/02/16-sparql-minutes.html ivanH

16:02:39 <ivanH> axel, should I make the dance on the minutes?

axel, should I make the dance on the minutes?

16:02:58 <AxelPolleres> can do, no worries

Axel Polleres: can do, no worries

16:03:15 <ivanH> ok, then I leave it to you...

ok, then I leave it to you...



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