edit

RDF Working Group

Minutes of 19 June 2013

Agenda
http://www.w3.org/2011/rdf-wg/wiki/Meetings:Telecon2013.06.19
Seen
Andy Seaborne, Antoine Zimmermann, David Wood, Eric Prud'hommeaux, Gavin Carothers, Gregg Kellogg, Guus Schreiber, Ivan Herman, Manu Sporny, Markus Lanthaler, Patrick Hayes, Peter Patel-Schneider, Pierre-Antoine Champin, Sandro Hawke, Souripriya Das, Ted Thibodeau
Scribe
Andy Seaborne
IRC Log
Original
Resolutions
  1. accept the minutes of the 12 June telecon: https://www.w3.org/2013/meeting/rdf-wg/2013-06-12 link
Topics
15:07:36 <AndyS> scribenick: AndyS

(Scribe set to Andy Seaborne)

15:07:43 <AndyS> scribe: AndyS
15:06:54 <AndyS> topic: admin

1. admin

15:07:49 <davidwood> PROPOSED to accept the minutes of the 12 June telecon:   https://www.w3.org/2013/meeting/rdf-wg/2013-06-12

David Wood: PROPOSED to accept the minutes of the 12 June telecon: https://www.w3.org/2013/meeting/rdf-wg/2013-06-12

15:07:52 <AndyS> agenda: http://www.w3.org/2011/rdf-wg/wiki/Meetings:Telecon2013.06.19
15:07:57 <pfps> minutes are fine

Peter Patel-Schneider: minutes are fine

15:08:24 <davidwood> RESOLVED: accept the minutes of the 12 June telecon: https://www.w3.org/2013/meeting/rdf-wg/2013-06-12

RESOLVED: accept the minutes of the 12 June telecon: https://www.w3.org/2013/meeting/rdf-wg/2013-06-12

15:08:30 <ericP> davidwood, i'm in the LDP F2F, but can switch over here when talking about Turtle

Eric Prud'hommeaux: davidwood, i'm in the LDP F2F, but can switch over here when talking about Turtle

15:08:35 <davidwood> Review of action items

David Wood: Review of action items

15:08:36 <davidwood> http://www.w3.org/2011/rdf-wg/track/actions/pendingreview

David Wood: http://www.w3.org/2011/rdf-wg/track/actions/pendingreview

15:08:36 <davidwood> http://www.w3.org/2011/rdf-wg/track/actions/open

David Wood: http://www.w3.org/2011/rdf-wg/track/actions/open

15:08:41 <AndyS> topic: Action items

2. Action items

15:09:13 <davidwood> ACTION-226?

David Wood: ACTION-226?

15:09:13 <trackbot> ACTION-226 -- Richard Cyganiak to implement ISSUE-111 resolution -- due 2013-02-13 -- OPEN

Trackbot IRC Bot: ACTION-226 -- Richard Cyganiak to implement ISSUE-111 resolution -- due 2013-02-13 -- OPEN

15:09:13 <trackbot> http://www.w3.org/2011/rdf-wg/track/actions/226

Trackbot IRC Bot: http://www.w3.org/2011/rdf-wg/track/actions/226

15:09:24 <AndyS> pfps: Close action on ACTION-226 for ISSUE-111

Peter Patel-Schneider: Close action on ACTION-226 for ISSUE-111

15:09:36 <AndyS> ... no-op.

... no-op.

15:10:12 <AndyS> Close ACTION-226

Close ACTION-226

15:10:12 <trackbot> Closed ACTION-226 Implement ISSUE-111 resolution.

Trackbot IRC Bot: Closed ACTION-226 Implement ISSUE-111 resolution.

15:10:53 <davidwood> ACTION-256?

David Wood: ACTION-256?

15:10:54 <trackbot> ACTION-256 -- Gavin Carothers to link TriG to new text in RDF Concepts -- due 2013-05-01 -- OPEN

Trackbot IRC Bot: ACTION-256 -- Gavin Carothers to link TriG to new text in RDF Concepts -- due 2013-05-01 -- OPEN

15:10:54 <trackbot> http://www.w3.org/2011/rdf-wg/track/actions/256

Trackbot IRC Bot: http://www.w3.org/2011/rdf-wg/track/actions/256

15:10:55 <AndyS> pfps: Need work on ACTION-256

Peter Patel-Schneider: Need work on ACTION-256

15:11:11 <ericP> ACTION: ericP to respond to LC issues (11, 12, 18, 37)

ACTION: ericP to respond to LC issues (11, 12, 18, 37)

15:11:12 <trackbot> Created ACTION-273 - Respond to LC issues (11, 12, 18, 37) [on Eric Prud'hommeaux - due 2013-06-26].

Trackbot IRC Bot: Created ACTION-273 - Respond to LC issues (11, 12, 18, 37) [on Eric Prud'hommeaux - due 2013-06-26].

15:11:39 <Zakim> +??P35

Zakim IRC Bot: +??P35

15:11:40 <ericP> that should close 271

Eric Prud'hommeaux: that should close 271

15:11:42 <markus> zakim, ??P35 is me

Markus Lanthaler: zakim, ??P35 is me

15:11:42 <Zakim> +markus; got it

Zakim IRC Bot: +markus; got it

15:11:58 <AndyS> (Archaeology occurs)

(Archaeology occurs)

15:13:26 <Zakim> +Souri

Zakim IRC Bot: +Souri

15:13:27 <gavinc> https://dvcs.w3.org/hg/rdf/raw-file/default/trig/index.html#sec-graph-statements

Gavin Carothers: https://dvcs.w3.org/hg/rdf/raw-file/default/trig/index.html#sec-graph-statements

15:13:42 <sandro> sandro: I see the resolution to issue-131 has not yet been reflected in rdf-concepts.    https://dvcs.w3.org/hg/rdf/raw-file/default/rdf-concepts/index.html#section-dataset

Sandro Hawke: I see the resolution to ISSUE-131 has not yet been reflected in rdf-concepts. https://dvcs.w3.org/hg/rdf/raw-file/default/rdf-concepts/index.html#section-dataset [ Scribe Assist by Sandro Hawke ]

15:13:49 <Zakim> +[IPcaller]

Zakim IRC Bot: +[IPcaller]

15:14:00 <AndyS> pfps: action-107 has not made it into concepts.

Peter Patel-Schneider: ACTION-107 has not made it into concepts.

15:14:05 <AndyS> ACTION-107?

ACTION-107?

15:14:05 <trackbot> ACTION-107 -- Richard Cyganiak to add a note to RDF Concepts re ISSUE-75 -- due 2011-10-20 -- CLOSED

Trackbot IRC Bot: ACTION-107 -- Richard Cyganiak to add a note to RDF Concepts re ISSUE-75 -- due 2011-10-20 -- CLOSED

15:14:05 <trackbot> http://www.w3.org/2011/rdf-wg/track/actions/107

Trackbot IRC Bot: http://www.w3.org/2011/rdf-wg/track/actions/107

15:14:09 <Guus> zakim, +[IPcaller] is me

Guus Schreiber: zakim, +[IPcaller] is me

15:14:09 <Zakim> sorry, Guus, I do not recognize a party named '+[IPcaller]'

Zakim IRC Bot: sorry, Guus, I do not recognize a party named '+[IPcaller]'

15:14:30 <Guus> zaki, IPCaller is me

Guus Schreiber: zaki, IPCaller is me

15:14:35 <AndyS> gavinc: wrong action?

Gavin Carothers: wrong action?

15:15:00 <Guus> zakim, IPCaller is me

Guus Schreiber: zakim, IPCaller is me

15:15:00 <Zakim> +Guus; got it

Zakim IRC Bot: +Guus; got it

15:15:12 <Guus> zakim, mute me

Guus Schreiber: zakim, mute me

15:15:12 <Zakim> Guus should now be muted

Zakim IRC Bot: Guus should now be muted

15:15:27 <AndyS> pfps: 24 April ... blank nodes can be shared

Peter Patel-Schneider: 24 April ... blank nodes can be shared

15:15:41 <AndyS> gavinc: done ... need more for blank node for graph names.

Gavin Carothers: done ... need more for blank node for graph names.

15:15:43 <davidwood> https://www.w3.org/2013/meeting/rdf-wg/2013-06-12#resolution_1

David Wood: https://www.w3.org/2013/meeting/rdf-wg/2013-06-12#resolution_1

15:16:15 <AndyS> davidwood: I'll do that

David Wood: I'll do that

15:16:41 <davidwood> ACTION: davidwood to implement https://www.w3.org/2013/meeting/rdf-wg/2013-06-12#resolution_1 in Concepts

ACTION: davidwood to implement https://www.w3.org/2013/meeting/rdf-wg/2013-06-12#resolution_1 in Concepts

15:16:41 <trackbot> Created ACTION-274 - Implement https://www.w3.org/2013/meeting/rdf-wg/2013-06-12#resolution_1 in Concepts [on David Wood - due 2013-06-26].

Trackbot IRC Bot: Created ACTION-274 - Implement https://www.w3.org/2013/meeting/rdf-wg/2013-06-12#resolution_1 in Concepts [on David Wood - due 2013-06-26].

15:17:18 <AndyS> pfps: success on action-272

Peter Patel-Schneider: success on ACTION-272

15:18:11 <PatH> noisy typing

Patrick Hayes: noisy typing

15:18:16 <AndyS> davidwood: proposal to deal with public comments which are discussion and formal comments

David Wood: proposal to deal with public comments which are discussion and formal comments

15:18:16 <pfps> action-272 is closed

Peter Patel-Schneider: ACTION-272 is closed

15:18:29 <sandro> close action-272

Sandro Hawke: close ACTION-272

15:18:30 <trackbot> Closed ACTION-272 Send email describing the differences between Antoine's view and the current draft (eg you don't know what the datatype interpretation is).

Trackbot IRC Bot: Closed ACTION-272 Send email describing the differences between Antoine's view and the current draft (eg you don't know what the datatype interpretation is).

15:18:31 <Guus> for the record, I closed action 271, done

Guus Schreiber: for the record, I closed ACTION-271, done

15:19:02 <AndyS> ... list is part of the formal process but it has had "other stuff" recently (and before).  Need to get under control.

... list is part of the formal process but it has had "other stuff" recently (and before). Need to get under control.

15:19:26 <AndyS> ... danger of loosing (real) comments

... danger of losing (real) comments

15:19:35 <pfps> q+

Peter Patel-Schneider: q+

15:19:41 <TallTed> s/loosing/losing/
15:19:50 <AndyS> ... so please do not reply until there is a formal thing to say as decided by a chair.

... so please do not reply until there is a formal thing to say as decided by a chair.

15:20:10 <pfps> q- because Pat said what I wanted to

Peter Patel-Schneider: q- because Pat said what I wanted to

15:20:15 <davidwood> ack pfps

David Wood: ack pfps

15:20:25 <AndyS> path: std response for incoming.

Patrick Hayes: std response for incoming.

15:20:34 <AndyS> ... will draft text

... will draft text

15:20:42 <AndyS> sandro: set up as autoreply

Sandro Hawke: set up as autoreply

15:21:13 <AndyS> gavinc: where should be the discussion be?

Gavin Carothers: where should be the discussion be?

15:21:28 <Guus> semantic-web list is the propoer forum for many discussions

Guus Schreiber: semantic-web list is the propoer forum for many discussions

15:21:46 <AndyS> davidwood: else where eg. semantic-web@w3.org  ... need to have a functioning comments process

David Wood: else where eg. semantic-web@w3.org ... need to have a functioning comments process

15:21:52 <Guus> publi-comments only for relevant design dcomments

Guus Schreiber: publi-comments only for relevant design dcomments

15:21:53 <pfps> +1 to this sentiment

Peter Patel-Schneider: +1 to this sentiment

15:22:45 <PatH> Proposed autorespond text: DUring the Last Call period, this email list is restricted to change requests on the LC documents and official responses to those requests. Members of the WG will not respond to more general comments or discussions on this list. PLease re-post your comment on a different public list. THank you.

Patrick Hayes: Proposed autorespond text: DUring the Last Call period, this email list is restricted to change requests on the LC documents and official responses to those requests. Members of the WG will not respond to more general comments or discussions on this list. PLease re-post your comment on a different public list. THank you.

15:22:54 <AndyS> gavinc: e.g. discussion on turtle as has happened.

Gavin Carothers: e.g. discussion on turtle as has happened.

15:23:04 <pfps> q+

Peter Patel-Schneider: q+

15:23:29 <pfps> the autorespond text should be permanent, not just during last call

Peter Patel-Schneider: the autorespond text should be permanent, not just during last call

15:23:47 <AndyS> Extra list? rdf-spec-discuss?  Specifically NOT comments.

Extra list? rdf-spec-discuss? Specifically NOT comments.

15:23:51 <davidwood> ack pfps

David Wood: ack pfps

15:24:19 <Guus> in other groups we have always done it this way: first propose a draft response to the WG

Guus Schreiber: in other groups we have always done it this way: first propose a draft response to the WG

15:24:27 <PatH> SO lets add a pointer to that list in the autrespond text.

Patrick Hayes: SO lets add a pointer to that list in the autrespond text.

15:24:29 <AndyS> pfps: semantic-web@ is for this.

Peter Patel-Schneider: semantic-web@ is for this.

15:25:15 <AndyS> ... drive-by email lists

... drive-by email lists

15:25:20 <davidwood> q?

David Wood: q?

15:25:59 <TallTed> Zakim, unmute me

Ted Thibodeau: Zakim, unmute me

15:25:59 <Zakim> TallTed should no longer be muted

Zakim IRC Bot: TallTed should no longer be muted

15:26:00 <AndyS> davidwood: pat/text :: sandro/setup auto :: davidwood/tell list

David Wood: pat/text :: sandro/setup auto :: davidwood/tell list

15:26:05 <Guus> the message to the chairs should normally be cc or to WG as a whole, so all can see what;s happening

Guus Schreiber: the message to the chairs should normally be cc or to WG as a whole, so all can see what;s happening

15:26:46 <AndyS> sandro: TallTed -- please pass on this conversation to Kingsley.

Sandro Hawke: TallTed -- please pass on this conversation to Kingsley.

15:27:06 <AndyS> TallTed: OK - will try.

Ted Thibodeau: OK - will try.

15:27:31 <TallTed> TallTed: I suggest a message from the Chair to all WG members, as Kingsley isn't the only one not on this call.

Ted Thibodeau: I suggest a message from the Chair to all WG members, as Kingsley isn't the only one not on this call. [ Scribe Assist by Ted Thibodeau ]

15:27:31 <TallTed> Zakim, mute me

Ted Thibodeau: Zakim, mute me

15:27:31 <Zakim> TallTed should now be muted

Zakim IRC Bot: TallTed should now be muted

15:27:35 <AndyS> topic: LC Drafts of Concepts and Semantics

3. LC Drafts of Concepts and Semantics

15:27:58 <AndyS> davidwood: semantics first

David Wood: semantics first

15:28:06 <davidwood> Discussion thread on review by Antoine of Semantics:

David Wood: Discussion thread on review by Antoine of Semantics:

15:28:06 <davidwood>  http://lists.w3.org/Archives/Public/public-rdf-wg/2013Jun/0085.html

David Wood: http://lists.w3.org/Archives/Public/public-rdf-wg/2013Jun/0085.html

15:28:34 <AndyS> (scribe has not followed this thread in email in all details)

(scribe has not followed this thread in email in all details)

15:29:05 <AndyS> zakim, who is on the phone?

zakim, who is on the phone?

15:29:05 <Zakim> On the phone I see +1.408.992.aaaa, gkellogg, davidwood, Ivan, PatH, AndyS, TallTed (muted), Sandro, AZ, GavinC, markus, Souri, Guus (muted)

Zakim IRC Bot: On the phone I see +1.408.992.aaaa, gkellogg, davidwood, Ivan, PatH, AndyS, TallTed (muted), Sandro, AZ, GavinC, markus, Souri, Guus (muted)

15:30:09 <Zakim> +??P5

Zakim IRC Bot: +??P5

15:30:12 <ivan> q+

Ivan Herman: q+

15:30:16 <pchampin> zakim, ??P5 is me

Pierre-Antoine Champin: zakim, ??P5 is me

15:30:16 <Zakim> +pchampin; got it

Zakim IRC Bot: +pchampin; got it

15:30:17 <AndyS> AZ: datatype URIs -- new design has just a set of IRIs , no maps -- we need to know what they denote

Antoine Zimmermann: datatype URIs -- new design has just a set of IRIs , no maps -- we need to know what they denote

15:30:44 <AndyS> ... second issue is entailment of set sof RDF graphs (scribe: union discussion?)

... second issue is entailment of set sof RDF graphs (scribe: union discussion?)

15:31:47 <davidwood> q?

David Wood: q?

15:31:50 <AndyS> ... set entails the union, it was each of the sets.  Does not follow normal practice.  RDF is not the same as conjunction (correct?)

... set entails the union, it was each of the sets. Does not follow normal practice. RDF is not the same as conjunction (correct?)

15:32:26 <AndyS> ... will provide some proposed text that meets my concerns.

... will provide some proposed text that meets my concerns.

15:32:50 <davidwood> ack ivan

David Wood: ack ivan

15:33:10 <PatH> q

Patrick Hayes: q

15:34:23 <AndyS> ivan: restrictions on datatype URIs  ... normative text around it covers the conditions ... semantic conditions are not all in the maths

Ivan Herman: restrictions on datatype URIs ... normative text around it covers the conditions ... semantic conditions are not all in the maths

15:35:02 <AndyS> AZ: pfps argues there is not real difference as RDF 2004.  But then I don't don't understand why the new design/ expression of design is better.

Antoine Zimmermann: pfps argues there is not real difference as RDF 2004. But then I don't don't understand why the new design/ expression of design is better.

15:35:07 <sandro> It's editorial, but important editorially.

Sandro Hawke: It's editorial, but important editorially.

15:35:28 <pfps> there may be a point on the definition of entailment on sets of graphs

Peter Patel-Schneider: there may be a point on the definition of entailment on sets of graphs

15:35:34 <AndyS> ivan: better exposition

Ivan Herman: better exposition

15:35:59 <Guus> +1 to Ivan

Guus Schreiber: +1 to Ivan

15:36:05 <AndyS> ... a big issue has been the limted readership of the doc

... a big issue has been the limted readership of the doc

15:36:46 <AndyS> AZ: I am not saying it is the same design.

Antoine Zimmermann: I am not saying it is the same design.

15:37:17 <Guus> ack PatH

Guus Schreiber: ack PatH

15:38:04 <AndyS> path: latest draft has some improvements - let's discuss relative to that

Patrick Hayes: latest draft has some improvements - let's discuss relative to that

15:38:14 <AndyS> ... fixes a small point

... fixes a small point

15:38:31 <AZ> q+

Antoine Zimmermann: q+

15:38:53 <AndyS> ... a slight difference to 2004 is that 2004 D-mapping allows xsd:string mapping to data times

... a slight difference to 2004 is that 2004 D-mapping allows xsd:string mapping to data times

15:39:18 <AndyS> ... and now it is not allowed to have a different D-entailment

... and now it is not allowed to have a different D-entailment

15:39:30 <Guus> Note that LC for Semantics is on our critical path; we have to have very good reasons NOT to go there; Feature at Risk is a possibility I guess

Guus Schreiber: Note that LC for Semantics is on our critical path; we have to have very good reasons NOT to go there; Feature at Risk is a possibility I guess

15:39:33 <AndyS> ... also I belive/hope that doc is more accessible.

... also I belive/hope that doc is more accessible.

15:39:36 <pfps> not only is it illegal to mess with, e.g, xs datatypes, the mechanism in RDF is now consonant with the mechanism in xs datatypes

Peter Patel-Schneider: not only is it illegal to mess with, e.g, xs datatypes, the mechanism in RDF is now consonant with the mechanism in xs datatypes

15:40:05 <AndyS> AZ: can add a constraint that these IRIs must map to the normal meaning

Antoine Zimmermann: can add a constraint that these IRIs must map to the normal meaning

15:40:28 <AndyS> path: but then no need for a map

Patrick Hayes: but then no need for a map

15:40:38 <AndyS> AZ: custom datatypes

Antoine Zimmermann: custom datatypes

15:40:57 <pfps> q+

Peter Patel-Schneider: q+

15:41:06 <Guus> ack AZ

Guus Schreiber: ack AZ

15:41:30 <AndyS> path: can only recognize IRIs that are datatypes

Patrick Hayes: can only recognize IRIs that are datatypes

15:42:28 <AndyS> ... IF e.g. GET shows that it is a datatype, then must use that defn of the datatype.

... IF e.g. GET shows that it is a datatype, then must use that defn of the datatype.

15:42:30 <gavinc> "RDF processors which are not able to determine which datatype is identifier by an IRI cannot recognize that IRI, and should treat any literals type with that IRI as unknown names." this is bit we are talking about?

Gavin Carothers: "RDF processors which are not able to determine which datatype is identifier by an IRI cannot recognize that IRI, and should treat any literals type with that IRI as unknown names." this is bit we are talking about?

15:43:53 <davidwood> q?

David Wood: q?

15:44:29 <davidwood> ack pfps

David Wood: ack pfps

15:44:59 <PatH> gavinC, yes.

Patrick Hayes: gavinC, yes.

15:45:08 <AndyS> (discussion of the true purpose of the MT doc)

(discussion of the true purpose of the MT doc)

15:45:41 <gavinc> btw, I like the language on what to do when there is an unknown datatype in the new semantics document then the old one. I had no clue what to do with unknown datatypes based on the old one, and the new one is VERY clear and even uses MAY/SHOULD. It's MUCH better

Gavin Carothers: btw, I like the language on what to do when there is an unknown datatype in the new semantics document then the old one. I had no clue what to do with unknown datatypes based on the old one, and the new one is VERY clear and even uses MAY/SHOULD. It's MUCH better

15:46:16 <AZ> The normal Web machinery is not existing in the current version either

Antoine Zimmermann: The normal Web machinery is not existing in the current version either

15:48:10 <davidwood> Gentlemen, I suggest you use the queue to respond.  It will assist in limiting emotion.

David Wood: Gentlemen, I suggest you use the queue to respond. It will assist in limiting emotion.

15:49:20 <Guus> +1 to peter

Guus Schreiber: +1 to peter

15:50:55 <AndyS> davidwood: Thank you for the discussion.  AZ - do you need time to work on a proposal.

David Wood: Thank you for the discussion. AZ - do you need time to work on a proposal.

15:51:17 <ivan> q+

Ivan Herman: q+

15:51:31 <AndyS> AZ: easier for me to work on a proposal for datatypes.  Will try to do it quite quickly.

Antoine Zimmermann: easier for me to work on a proposal for datatypes. Will try to do it quite quickly.

15:51:36 <pfps> q+

Peter Patel-Schneider: q+

15:51:43 <AndyS> ... for other issue - less clear.

... for other issue - less clear.

15:52:03 <AndyS> davidwood: can we go to LC?

David Wood: can we go to LC?

15:52:05 <davidwood> ack ivan

David Wood: ack ivan

15:52:14 <AndyS> (someone) no

(someone) no

15:52:45 <PatH> +1 Ivan

Patrick Hayes: +1 Ivan

15:53:47 <pfps> Antoine appears to feel that there is something wrong in the current situation, so I don't think that agrees that it is just stylistic

Peter Patel-Schneider: Antoine appears to feel that there is something wrong in the current situation, so I don't think that agrees that it is just stylistic

15:54:18 <AndyS> AZ: This is not me raising a new issue.

Antoine Zimmermann: This is not me raising a new issue.

15:54:42 <Guus> antoine is right about the timing, but we're just not overcoming this disagreement

Guus Schreiber: antoine is right about the timing, but we're just not overcoming this disagreement

15:56:35 <pfps> the question here, I think, is whether there is something technically wrong in the current semantics

Peter Patel-Schneider: the question here, I think, is whether there is something technically wrong in the current semantics

15:57:08 <pfps> q+ to talk about entailment

Peter Patel-Schneider: q+ to talk about entailment

15:57:39 <Guus> zakim, unmute me

Guus Schreiber: zakim, unmute me

15:57:39 <Zakim> Guus should no longer be muted

Zakim IRC Bot: Guus should no longer be muted

15:57:53 <davidwood> ack pfps

David Wood: ack pfps

15:57:53 <Zakim> pfps, you wanted to talk about entailment

Zakim IRC Bot: pfps, you wanted to talk about entailment

15:59:03 <AZ> Not defined in term of merge

Antoine Zimmermann: Not defined in term of merge

15:59:17 <AndyS> pfps: I now see the point about in the "union" strand of discussion

Peter Patel-Schneider: I now see the point about in the "union" strand of discussion

15:59:18 <Guus> zakim, mute me

Guus Schreiber: zakim, mute me

15:59:18 <Zakim> Guus should now be muted

Zakim IRC Bot: Guus should now be muted

15:59:29 <AZ> defined according to traditional conjunction

Antoine Zimmermann: defined according to traditional conjunction

16:00:11 <manu> zaim, code?

Manu Sporny: zaim, code?

16:00:16 <manu> zakim, code?

Manu Sporny: zakim, code?

16:00:16 <Zakim> the conference code is 73394 (tel:+1.617.761.6200 sip:zakim@voip.w3.org), manu

Zakim IRC Bot: the conference code is 73394 (tel:+1.617.761.6200 sip:zakim@voip.w3.org), manu

16:00:26 <Zakim> +??P53

Zakim IRC Bot: +??P53

16:00:33 <PatH> q+

Patrick Hayes: q+

16:00:34 <manu> zakim, I am ??P53

Manu Sporny: zakim, I am ??P53

16:00:35 <Zakim> +manu; got it

Zakim IRC Bot: +manu; got it

16:01:44 <AndyS> pfps: example - split one graph in two , share bnode across the halfs.

Peter Patel-Schneider: example - split one graph in two , share bnode across the halfs.

16:02:03 <AZ> q?

Antoine Zimmermann: q?

16:02:06 <AZ> q+

Antoine Zimmermann: q+

16:02:16 <AndyS> ... union rejoins the use of blank nodes ... merge looses the connection in the original big graph.

... union rejoins the use of blank nodes ... merge looses the connection in the original big graph.

16:03:38 <pchampin> q?

Pierre-Antoine Champin: q?

16:03:45 <pchampin> q+

Pierre-Antoine Champin: q+

16:04:38 <davidwood> ack PatH

David Wood: ack PatH

16:04:43 <gavinc> can't we just lean on datasets? Where we SAY that blank nodes are shared inside a dataset?

Gavin Carothers: can't we just lean on datasets? Where we SAY that blank nodes are shared inside a dataset?

16:04:46 <pfps> entailments of sets of RDF graphs - 2004 effectively uses merge 2013 uses union

Peter Patel-Schneider: entailments of sets of RDF graphs - 2004 effectively uses merge 2013 uses union

16:05:17 <pfps> q+

Peter Patel-Schneider: q+

16:05:32 <AndyS> path: because we have said we will support shared bnodes then merge would make this meaningless.

Patrick Hayes: because we have said we will support shared bnodes then merge would make this meaningless.

16:06:48 <AndyS> ... lots of pictures in the current doc to explain this all.

... lots of pictures in the current doc to explain this all.

16:06:51 <sandro> Ahhhh.    Yes, Merge is kind of .... wacky ... now.      There should just be UNION and also a COPY_GRAPH operation the replace blank nodes with a fresh ones.

Sandro Hawke: Ahhhh. Yes, Merge is kind of .... wacky ... now. There should just be UNION and also a COPY_GRAPH operation the replace blank nodes with a fresh ones.

16:06:55 <davidwood> ack AZ

David Wood: ack AZ

16:07:02 <pchampin> q-

Pierre-Antoine Champin: q-

16:07:09 <pfps> I don't agree with this analysis by Pat - people will not determine our stance on combining graphs by the definition of entailment

Peter Patel-Schneider: I don't agree with this analysis by Pat - people will not determine our stance on combining graphs by the definition of entailment

16:07:16 <davidwood> q?

David Wood: q?

16:07:19 <PatH> q+ again

Patrick Hayes: q+ again

16:08:06 <AndyS> AZ: if a system knows two bnodes are the same they can use union

Antoine Zimmermann: if a system knows two bnodes are the same they can use union

16:09:03 <Souri> Then, is the following correct? (users decide which of the following to use when combining) UNION => reuse bNode labels, MERGE => generate new unique bNode labels

Souripriya Das: Then, is the following correct? (users decide which of the following to use when combining) UNION => reuse bNode labels, MERGE => generate new unique bNode labels

16:09:44 <pchampin> +1 Pat

Pierre-Antoine Champin: +1 Pat

16:09:49 <ivan> +1 to Pat

Ivan Herman: +1 to Pat

16:09:50 <AndyS> Example -- :mary :hasChild _:b . :john :hasChild _:b .

Example -- :mary :hasChild _:b . :john :hasChild _:b .

16:10:13 <AndyS> path: in that graph - mary and john have a child in common.

Patrick Hayes: in that graph - mary and john have a child in common.

16:10:33 <pchampin> AZ, thought experiment: does a graph entail the same thing as the union of all its triples (considered as singleton graphs)?

Pierre-Antoine Champin: AZ, thought experiment: does a graph entail the same thing as the union of all its triples (considered as singleton graphs)?

16:10:50 <AndyS> AZ: in subgraphs {:mary :hasChild _:b } { :john :hasChild _:b }

Antoine Zimmermann: in subgraphs {:mary :hasChild _:b } { :john :hasChild _:b }

16:11:02 <AZ> it's not a bug!

Antoine Zimmermann: it's not a bug!

16:11:12 <AndyS> Path: bug is that the idea of bnode scope is not in the definitions.

Patrick Hayes: bug is that the idea of bnode scope is not in the definitions.

16:11:34 <Zakim> -Souri

Zakim IRC Bot: -Souri

16:11:49 <Zakim> +[GVoice]

Zakim IRC Bot: +[GVoice]

16:11:57 <ericP> Zakim, [GVoice] is me

Eric Prud'hommeaux: Zakim, [GVoice] is me

16:11:57 <Zakim> +ericP; got it

Zakim IRC Bot: +ericP; got it

16:12:24 <pfps> this actually has little to do with blank nodes per se, as the same issue arises with free variables in FOL formulae if you interpret free variables existentially

Peter Patel-Schneider: this actually has little to do with blank nodes per se, as the same issue arises with free variables in FOL formulae if you interpret free variables existentially

16:13:00 <pchampin> the question is: where is the quantifier of those existential variables?

Pierre-Antoine Champin: the question is: where is the quantifier of those existential variables?

16:13:02 <davidwood> Zakim, mute ericP

David Wood: Zakim, mute ericP

16:13:02 <Zakim> ericP should now be muted

Zakim IRC Bot: ericP should now be muted

16:13:25 <pfps> q+ to say that blank nodes *do* work like variables in quantifier-free first-order formulae

Peter Patel-Schneider: q+ to say that blank nodes *do* work like variables in quantifier-free first-order formulae

16:13:27 <davidwood> q?

David Wood: q?

16:13:28 <pchampin> AZ seems to assume that it is at the graph level

Pierre-Antoine Champin: AZ seems to assume that it is at the graph level

16:14:01 <pchampin> by deciding that graph can share blank nodes, my interpretation is that we decided that it could be at a higher level

Pierre-Antoine Champin: by deciding that graph can share blank nodes, my interpretation is that we decided that it could be at a higher level

16:14:21 <pchampin> q?

Pierre-Antoine Champin: q?

16:14:35 <AndyS> You can't share bNodes unless they originate from the same place because of all syntax parsing havign scoped labels.

You can't share bNodes unless they originate from the same place because of all syntax parsing havign scoped labels.

16:14:44 <AndyS> davidwood: time

David Wood: time

16:14:48 <Zakim> -Guus

Zakim IRC Bot: -Guus

16:14:49 <davidwood> ack pfps

David Wood: ack pfps

16:14:49 <Zakim> pfps, you wanted to say that blank nodes *do* work like variables in quantifier-free first-order formulae

Zakim IRC Bot: pfps, you wanted to say that blank nodes *do* work like variables in quantifier-free first-order formulae

16:14:49 <pfps> take a formula  P(x) and another formula Q(x), when you form their conjunction you don't change the variables, you just put an "and" over them (i.e., union them)

Peter Patel-Schneider: take a formula P(x) and another formula Q(x), when you form their conjunction you don't change the variables, you just put an "and" over them (i.e., union them)

16:15:16 <davidwood> ack again

David Wood: ack again

16:16:00 <AndyS> Next time can we progress the TriG Turtle NQ, NT which have slipped again.

Next time can we progress the TriG Turtle NQ, NT which have slipped again.

16:16:16 <PatH> I guess I feel that I have explained my posiiton as clearly and as fully as I can, and that the current draft also explains it as clearly as I know how. I rest my case.

Patrick Hayes: I guess I feel that I have explained my posiiton as clearly and as fully as I can, and that the current draft also explains it as clearly as I know how. I rest my case.

16:16:23 <AndyS> Should be "easy" to agree to go to publication or find a process to get there.

Should be "easy" to agree to go to publication or find a process to get there.

16:16:26 <Zakim> -manu

Zakim IRC Bot: -manu

16:16:49 <Zakim> -PatH

Zakim IRC Bot: -PatH

16:16:52 <AndyS> davidwood: I have worked through pfps review of concepts

David Wood: I have worked through pfps review of concepts

16:16:52 <pchampin> bye

Pierre-Antoine Champin: bye

16:16:55 <Zakim> -Sandro

Zakim IRC Bot: -Sandro

16:16:56 <Zakim> -Ivan

Zakim IRC Bot: -Ivan

16:16:56 <Zakim> - +1.408.992.aaaa

Zakim IRC Bot: - +1.408.992.aaaa

16:16:56 <Zakim> -gkellogg

Zakim IRC Bot: -gkellogg

16:16:57 <Zakim> -davidwood

Zakim IRC Bot: -davidwood

16:16:57 <Zakim> -GavinC

Zakim IRC Bot: -GavinC

16:16:57 <AndyS> ADJOURNED

ADJOURNED

16:16:58 <Zakim> -TallTed

Zakim IRC Bot: -TallTed

16:17:00 <Zakim> -AZ

Zakim IRC Bot: -AZ

16:17:01 <Zakim> -markus

Zakim IRC Bot: -markus

16:17:03 <Zakim> -AndyS

Zakim IRC Bot: -AndyS

16:17:32 <Zakim> -pchampin

Zakim IRC Bot: -pchampin

16:17:37 <Zakim> -ericP

Zakim IRC Bot: -ericP

16:17:43 <Zakim> SW_RDFWG()11:00AM has ended

Zakim IRC Bot: SW_RDFWG()11:00AM has ended

16:17:44 <Zakim> Attendees were +1.408.992.aaaa, Ivan, davidwood, PatH, AndyS, gkellogg, TallTed, Sandro, +081165aabb, AZ, GavinC, markus, Souri, Guus, pchampin, manu, ericP

Zakim IRC Bot: Attendees were +1.408.992.aaaa, Ivan, davidwood, PatH, AndyS, gkellogg, TallTed, Sandro, +081165aabb, AZ, GavinC, markus, Souri, Guus, pchampin, manu, ericP



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