SPARQL Working Group Teleconference Minutes, 06 April 2010

SPARQL Working Group Teleconference

Minutes of 06 April 2010

Seen

Andy Seaborne, David Charboneau, Lee Feigenbaum, Matthew Perry, Orri Erling, Paul Gearon, Souripriya Das, Steve Harris

Chair

Lee Feigenbaum

Scribe

Lee Feigenbaum

IRC Log

Original and Editable Wiki Version

Resolutions

Approve minutes at http://www.w3.org/2009/sparql/meeting/2010-03-30 link
Approve F2F minutes at http://www.w3.org/2009/sparql/meeting/2010-03-25 link
Approve F2F minutes at http://www.w3.org/2009/sparql/meeting/2010-03-26 link

Topics

URIs for built-in SPARQL functions
Negation
Basic Federated Query Reviews

14:06:14 <LeeF> Chair: LeeF

14:06:19 <LeeF> Scribenick: LeeF

(Scribe set to Lee Feigenbaum)

13:56:33 <RRSAgent> logging to http://www.w3.org/2010/04/06-sparql-irc

RRSAgent IRC Bot: logging to http://www.w3.org/2010/04/06-sparql-irc ←

13:56:35 <trackbot> RRSAgent, make logs world

Trackbot IRC Bot: RRSAgent, make logs world ←

13:56:37 <trackbot> Zakim, this will be 77277

Trackbot IRC Bot: Zakim, this will be 77277 ←

13:56:37 <Zakim> ok, trackbot; I see SW_(SPARQL)10:00AM scheduled to start in 4 minutes

Zakim IRC Bot: ok, trackbot; I see SW_(SPARQL)10:00AM scheduled to start in 4 minutes ←

13:56:37 <LeeF> zakim, this will be SPARQL

zakim, this will be SPARQL ←

13:56:38 <trackbot> Meeting: SPARQL Working Group Teleconference

13:56:38 <trackbot> Date: 06 April 2010

13:56:38 <Zakim> ok, LeeF; I see SW_(SPARQL)10:00AM scheduled to start in 4 minutes

Zakim IRC Bot: ok, LeeF; I see SW_(SPARQL)10:00AM scheduled to start in 4 minutes ←

13:58:17 <Zakim> SW_(SPARQL)10:00AM has now started

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

13:58:24 <Zakim> +pgearon

Zakim IRC Bot: +pgearon ←

13:59:04 <Zakim> +LeeF

Zakim IRC Bot: +LeeF ←

14:00:14 <Zakim> +??P19

Zakim IRC Bot: +??P19 ←

14:00:20 <AndyS> zakim, ??P19 is me

Andy Seaborne: zakim, ??P19 is me ←

14:00:20 <Zakim> +AndyS; got it

Zakim IRC Bot: +AndyS; got it ←

14:01:14 <Zakim> +??P21

Zakim IRC Bot: +??P21 ←

14:01:15 <Zakim> +mischat

Zakim IRC Bot: +mischat ←

14:02:18 <MattPerry> I just joined through skype

Matthew Perry: I just joined through skype ←

14:02:20 <LeeF> zakim, mischat is temporarily SteveH

zakim, mischat is temporarily SteveH ←

14:02:20 <Zakim> +SteveH; got it

Zakim IRC Bot: +SteveH; got it ←

14:02:30 <LeeF> zakim, ??P21 is MattPerry

zakim, ??P21 is MattPerry ←

14:02:30 <Zakim> +MattPerry; got it

Zakim IRC Bot: +MattPerry; got it ←

14:02:37 <LeeF> zakim, who's on the phone?

zakim, who's on the phone? ←

14:02:37 <Zakim> On the phone I see pgearon, LeeF, AndyS, MattPerry, SteveH

Zakim IRC Bot: On the phone I see pgearon, LeeF, AndyS, MattPerry, SteveH ←

14:03:27 <LeeF> # PROPOSED: Approve minutes at http://www.w3.org/2009/sparql/meeting/2010-03-30

# PROPOSED: Approve minutes at http://www.w3.org/2009/sparql/meeting/2010-03-30 ←

14:03:27 <LeeF> # PROPOSED: Approve F2F minutes at http://www.w3.org/2009/sparql/meeting/2010-03-25

# PROPOSED: Approve F2F minutes at http://www.w3.org/2009/sparql/meeting/2010-03-25 ←

14:03:27 <LeeF> # PROPOSED: Approve F2F minutes at http://www.w3.org/2009/sparql/meeting/2010-03-26

# PROPOSED: Approve F2F minutes at http://www.w3.org/2009/sparql/meeting/2010-03-26 ←

14:03:31 <SteveH> Zakim, SteveH is [Garlik]

Steve Harris: Zakim, SteveH is [Garlik] ←

14:03:31 <Zakim> +[Garlik]; got it

Zakim IRC Bot: +[Garlik]; got it ←

14:03:44 <SteveH> Zakim, [Garlik] is temporarily SteveH

Steve Harris: Zakim, [Garlik] is temporarily SteveH ←

14:03:44 <Zakim> +SteveH; got it

Zakim IRC Bot: +SteveH; got it ←

14:03:50 <Zakim> +dcharbon2

Zakim IRC Bot: +dcharbon2 ←

14:04:05 <dcharbon2> Zakim, mute me

David Charboneau: Zakim, mute me ←

14:04:05 <Zakim> dcharbon2 should now be muted

Zakim IRC Bot: dcharbon2 should now be muted ←

14:05:03 <Zakim> +Souri

Zakim IRC Bot: +Souri ←

14:06:10 <LeeF> PROPOSED: Approve minutes at http://www.w3.org/2009/sparql/meeting/2010-03-30

PROPOSED: Approve minutes at http://www.w3.org/2009/sparql/meeting/2010-03-30 ←

14:06:46 <LeeF> RESOLVED: Approve minutes at http://www.w3.org/2009/sparql/meeting/2010-03-30

RESOLVED: Approve minutes at http://www.w3.org/2009/sparql/meeting/2010-03-30 ←

14:06:52 <LeeF> PROPOSED: Approve F2F minutes at http://www.w3.org/2009/sparql/meeting/2010-03-25

PROPOSED: Approve F2F minutes at http://www.w3.org/2009/sparql/meeting/2010-03-25 ←

14:07:31 <LeeF> RESOLVED: Approve F2F minutes at http://www.w3.org/2009/sparql/meeting/2010-03-25

RESOLVED: Approve F2F minutes at http://www.w3.org/2009/sparql/meeting/2010-03-25 ←

14:07:41 <LeeF> PROPOSED: Approve F2F minutes at http://www.w3.org/2009/sparql/meeting/2010-03-26

PROPOSED: Approve F2F minutes at http://www.w3.org/2009/sparql/meeting/2010-03-26 ←

14:08:10 <LeeF> RESOLVED: Approve F2F minutes at http://www.w3.org/2009/sparql/meeting/2010-03-26

RESOLVED: Approve F2F minutes at http://www.w3.org/2009/sparql/meeting/2010-03-26 ←

14:09:28 <Zakim> +[IPcaller]

Zakim IRC Bot: +[IPcaller] ←

14:09:42 <LeeF> zakim, IPCaller is Orri

zakim, IPCaller is Orri ←

14:09:42 <Zakim> +Orri; got it

Zakim IRC Bot: +Orri; got it ←

14:10:05 <LeeF> LeeF: AndyS, are you planning to put together a proposal to move forward on the open property paths issues?

Lee Feigenbaum: AndyS, are you planning to put together a proposal to move forward on the open property paths issues? ←

14:10:08 <LeeF> AndyS: Yes, not sure when

Andy Seaborne: Yes, not sure when ←

14:10:13 <LeeF> LeeF: no time pressure, I don't think

Lee Feigenbaum: no time pressure, I don't think ←

14:11:57 <LeeF> topic: URIs for built-in SPARQL functions

1. URIs for built-in SPARQL functions

14:12:03 <pgearon> +q

Paul Gearon: +q ←

14:12:08 <LeeF> ack pgearon

ack pgearon ←

14:12:18 <LeeF> LeeF: AndyS raised issue of minting URIs for built-in SPARQL functions e.g. bound, coalesce, etc.

Lee Feigenbaum: AndyS raised issue of minting URIs for built-in SPARQL functions e.g. bound, coalesce, etc. ←

14:12:26 <LeeF> ... need to mind URIs and put documents at those URIs

... need to mind URIs and put documents at those URIs ←

14:13:07 <LeeF> pgearon: think I remember a discussion on a mailing list about a namespace for built-in SPARQL function URIs

Paul Gearon: think I remember a discussion on a mailing list about a namespace for built-in SPARQL function URIs ←

14:13:09 <LeeF> LeeF: where?

Lee Feigenbaum: where? ←

14:13:17 <LeeF> pgearon: maybe SIG list?

Paul Gearon: maybe SIG list? ←

14:13:52 <LeeF> LeeF: maybe it was on the sparql-dev list ?

Lee Feigenbaum: maybe it was on the sparql-dev list ? ←

14:14:11 <LeeF> pgearon: think it was a collection of interested people discussing it

Paul Gearon: think it was a collection of interested people discussing it ←

14:15:08 <LeeF> LeeF: i'll also search for previous discussion

Lee Feigenbaum: i'll also search for previous discussion ←

14:15:18 <LeeF> ... we need help from our team contacts to carve out appropriate location in W3C Web-space

... we need help from our team contacts to carve out appropriate location in W3C Web-space ←

14:16:25 <Zakim> -Orri

Zakim IRC Bot: -Orri ←

14:11:57 <LeeF> topic: Negation

2. Negation

14:20:45 <LeeF> LeeF: discussion of current state of negation discussions

(No events recorded for 8 minutes)

Lee Feigenbaum: discussion of current state of negation discussions ←

14:20:57 <LeeF> ... if we don't reach a consensus, will put it to a group vote

... if we don't reach a consensus, will put it to a group vote ←

14:21:04 <LeeF> ... continue discusison on mailing list as long as there is energy

... continue discusison on mailing list as long as there is energy ←

14:21:25 <LeeF> pgearon: implemented MINUS semantics, but appreciate leaning towards including both ways of doing it

Paul Gearon: implemented MINUS semantics, but appreciate leaning towards including both ways of doing it ←

14:22:08 <LeeF> SteveH: think what we have now is OK, not so worried about the scoping issue of a NOT EXISTS FILTER

Steve Harris: think what we have now is OK, not so worried about the scoping issue of a NOT EXISTS FILTER ←

14:23:39 <LeeF> LeeF: EricP put this draft together: http://www.w3.org/2009/sparql/docs/fed/service

Lee Feigenbaum: EricP put this draft together: http://www.w3.org/2009/sparql/docs/fed/service ←

14:23:45 <Souri> I like the F2F3 decision about MINUS / NOT EXISTS, but would like to understand the implications about its mobility within the containing BGP

Souripriya Das: I like the F2F3 decision about MINUS / NOT EXISTS, but would like to understand the implications about its mobility within the containing BGP ←

14:11:57 <LeeF> topic: Basic Federated Query Reviews

3. Basic Federated Query Reviews

14:24:57 <LeeF> LeeF: would like to have people review the federated query document

(No events recorded for 13 minutes)

Lee Feigenbaum: would like to have people review the federated query document ←

14:24:54 <dcharbon2> I can

David Charboneau: I can ←

14:25:00 <SteveH> ...ish

Steve Harris: ...ish ←

14:25:29 <LeeF> ACTION: dcharbon2 to review the federated query document at http://www.w3.org/2009/sparql/docs/fed/service

ACTION: dcharbon2 to review the federated query document at http://www.w3.org/2009/sparql/docs/fed/service ←

14:25:30 <trackbot> Created ACTION-220 - Review the federated query document at http://www.w3.org/2009/sparql/docs/fed/service  [on David Charboneau - due 2010-04-13].

Trackbot IRC Bot: Created ACTION-220 - Review the federated query document at http://www.w3.org/2009/sparql/docs/fed/service [on David Charboneau - due 2010-04-13]. ←