14:40:49 RRSAgent has joined #rif 14:40:49 logging to http://www.w3.org/2006/07/25-rif-irc 14:40:54 zakim, this will be rif 14:40:54 ok, ChrisWelty; I see SW_RIF()11:00AM scheduled to start in 20 minutes 14:41:01 rrsagent, make logs public 14:41:08 rrsagent, draft minutes 14:41:08 I have made the request to generate http://www.w3.org/2006/07/25-rif-minutes.html ChrisWelty 14:50:03 MarkusK has joined #rif 14:50:16 Harold has joined #rif 14:51:24 Donald_Chapin has joined #rif 14:54:44 PhilippeB has joined #rif 14:55:47 Hassan has joined #rif 14:56:28 csma has joined #rif 14:56:56 SW_RIF()11:00AM has now started 14:57:00 Don, can you scribe today? 14:57:03 +Hassan_Ait-Kaci 14:57:53 +??P21 14:57:54 FrankMcCabe has joined #rif 14:58:05 zakim, what is the code 14:58:05 I don't understand 'what is the code', FrankMcCabe 14:58:07 +[IPcaller] 14:58:08 zakim, ??P21 is me 14:58:08 +csma; got it 14:58:09 +[IBM] 14:58:10 zakim, what is the code? 14:58:11 the conference code is 74394 (tel:+1.617.761.6200), FrankMcCabe 14:58:18 zakim, [ibm] is temporarily me 14:58:18 +ChrisWelty; got it 14:58:49 mdean has joined #rif 14:59:29 zakim, who is on the phone? 14:59:29 On the phone I see Hassan_Ait-Kaci, csma, MarkusK (muted), ChrisWelty 14:59:39 + +1.650.857.aaaa 14:59:53 zakim, aaaa is me 14:59:53 +FrankMcCabe; got it 15:00:04 zakim, mute me 15:00:04 FrankMcCabe should now be muted 15:00:12 pfps has joined #rif 15:00:27 +??P15 15:00:34 zakim, ??p15 ispfps 15:00:34 I don't understand '??p15 ispfps', pfps 15:00:35 josb has joined #rif 15:00:41 +Mike_Dean 15:00:43 +David_Hirtle 15:00:54 +??P33 15:00:56 +Philippe_Bonnard (was ??P33) 15:01:00 Zakim, mute me 15:01:00 Philippe_Bonnard should now be muted 15:01:30 zakim, who is on the phone? 15:01:30 On the phone I see Hassan_Ait-Kaci (muted), csma, MarkusK (muted), ChrisWelty, FrankMcCabe (muted), ??P15, Mike_Dean, David_Hirtle, Philippe_Bonnard (muted) 15:01:33 LeoraMorgenstern has joined #rif 15:01:44 zakim, ??P15 is pfps 15:01:44 +pfps; got it 15:01:57 Darko has joined #rif 15:02:06 JosDeRoo has joined #rif 15:02:06 +Sandro 15:02:17 DaveReynolds has joined #rif 15:02:47 +??P5 15:02:49 +Dave_Reynolds (was ??P5) 15:03:02 StellaMitchell has joined #rif 15:03:02 GiorgosStoilos has joined #rif 15:03:07 +[IPcaller] 15:03:09 +Leora_Morgenstern 15:03:14 +Donald_Chapin (was [IPcaller]) 15:03:20 johnhall has joined #rif 15:03:24 zakim, please mute me 15:03:24 Leora_Morgenstern should now be muted 15:03:31 zakim, mute me 15:03:32 Donald_Chapin should now be muted 15:03:41 zakim unmute me 15:03:47 ack don 15:03:58 AxelPolleres has joined #rif 15:04:04 JeffP has joined #rif 15:04:05 scribenick: donald_chapin 15:04:30 zakim, who is talking? 15:04:32 +[IBM] 15:04:41 ChrisWelty, listening for 10 seconds I heard sound from the following: Donald_Chapin (55%), Mike_Dean (4%), ??P18 (24%), csma (53%) 15:04:45 +Axel_Polleres 15:04:45 patranja has joined #rif 15:04:49 zakim, mute me 15:04:50 Donald_Chapin should now be muted 15:04:51 zakim, [ibm] is temporarily me 15:04:51 +StellaMitchell; got it 15:04:56 thanks 15:05:25 +Jos_De_Roo 15:05:30 + +43.512.507.9aabb - is perhaps Darko_Anicic? 15:05:32 +Yannis 15:05:33 +1 15:05:33 i should be there 15:05:36 Zakim, aabb is me 15:05:36 sorry, Darko, I do not recognize a party named 'aabb' 15:05:38 +1 15:05:43 +1 15:05:44 -1 15:05:48 -1 15:05:49 +PaulaP 15:05:50 -1 15:05:54 +1 for being here next week? 15:05:56 or being away? 15:05:57 Zakim, 9aabb is me 15:05:57 sorry, Darko, I do not recognize a party named '9aabb' 15:05:58 +1 15:06:02 +1 15:06:08 +1 15:06:16 zakim, who is on the phone? 15:06:16 On the phone I see Hassan_Ait-Kaci (muted), csma, MarkusK (muted), ChrisWelty, FrankMcCabe (muted), pfps, Mike_Dean, David_Hirtle, Philippe_Bonnard (muted), Sandro, Dave_Reynolds, 15:06:19 ... Donald_Chapin (muted), Leora_Morgenstern (muted), StellaMitchell (muted), Axel_Polleres (muted), Jos_De_Roo (muted), Darko_Anicic?, Yannis, PaulaP (muted) 15:06:22 + +1.441.224.aacc 15:06:23 +1 15:06:44 zakim, aacc is darko 15:06:44 +darko; got it 15:06:47 +Jos_de_Bruijn 15:06:54 oops 15:07:00 zakim, darko is jeffp 15:07:00 +jeffp; got it 15:07:08 ACTION: Will have a meeting next and Sandro will chair 15:07:08 Sorry... I don't know anything about this channel 15:07:27 +1 15:07:45 +[IPcaller] 15:07:53 No objections from minutes - accpet July 11 minutes 15:07:54 RESOVLED: Accept minutes of July 11 telecon 15:08:03 zakim, ipcaller is me 15:08:03 +johnhall; got it 15:08:04 RESOLVED: Accept minutes of July 11 telecon 15:08:19 -josb 15:08:20 zakim, who is talking? 15:08:29 Zakim, 9aabb is really me 15:08:29 sorry, Darko, I do not recognize a party named '9aabb' 15:08:31 ChrisWelty, listening for 10 seconds I heard sound from the following: csma (63%) 15:08:31 zakim, mute me 15:08:33 johnhall should now be muted 15:08:34 +Darko 15:08:48 not yet 15:08:57 yes 15:09:21 igor has joined #rif 15:09:27 AACTION John will add rejects to July 18 minutes and resubmit 15:09:38 ^rejects^regrets^ 15:10:08 +??P0 15:10:10 ACTION John will add regrets to July 18 minutes and resubmit 15:10:19 zakim, ??P0 is me 15:10:19 +igor; got it 15:10:26 zakim, mute me 15:10:26 igor should now be muted 15:10:28 action: John will add regrets to July 18 minutes and resubmit 15:10:28 Sorry... I don't know anything about this channel 15:10:50 + +49.715.290.aadd 15:11:04 http://www.w3.org/2001/sw/grddl-wg/ 15:11:19 zakim, who is talking? 15:11:25 it is a new WG 15:11:32 ChrisWelty, listening for 11 seconds I heard sound from the following: csma (29%), Darko_Anicic? (4%) 15:11:46 Zakim, mute me 15:11:46 Darko_Anicic? should now be muted 15:12:13 +[IPcaller] 15:12:19 -FrankMcCabe 15:12:22 Everyone should look at the charter of GRDDLL-WG to see if they have an interest in it. 15:12:23 zakim, where is +Yannis 15:12:23 sorry, GiorgosStoilos, I do not recognize a party named 'where' 15:12:23 zakim, ipcaller is me 15:12:24 no 15:12:24 +FrankMcCabe; got it 15:12:35 zakim, +49.715.290.aadd is me 15:12:35 +Harold; got it 15:12:42 q? 15:12:55 where is +Yannis? 15:13:05 zakim, where is +Yannis? 15:13:05 sorry, GiorgosStoilos, I do not understand your question 15:14:04 Use Cases & Requirements 15:14:49 zakim, Yannis is probably me 15:14:49 +GiorgosStoilos?; got it 15:15:46 this was postponed 15:15:59 ok with me 15:16:03 :) 15:16:13 Close Action 39 15:17:52 +[IPcaller] 15:18:05 Action 59 closed, but discussion is going on about standardizing the Semantic Web Layer Cake diagram - no decision 15:18:15 continued 15:19:05 zakim, mute me 15:19:05 Harold should now be muted 15:19:15 +Gary_Hallmark 15:19:21 Topic RIFRAF 15:19:39 Action 61 done 15:19:53 Action 73 done 15:20:01 q+ 15:20:05 Discusiion on Questionaire: 15:20:07 ack axel 15:20:11 GaryHallmark has joined #rif 15:21:32 Axel - Can Francois reformulation the questions 3.1 & 3.2 about decidability - agree that there is a problem 15:21:48 -Sandro 15:21:54 q? 15:22:32 zakim, Yannis is me 15:22:32 sorry, GiorgosStoilos, I do not recognize a party named 'Yannis' 15:22:39 http://lists.w3.org/Archives/Public/public-rif-wg/2006Jul/0040.html 15:22:50 +1 for the third suggestion of Francois 15:22:56 Chris w - 3.1 not confusing, 3.2 doesn't see problem, the new question is a good one 15:22:59 MichaelKifer has joined #rif 15:23:44 +[IPcaller] 15:23:54 Christian - propse add a discriminator on which kind of data format that the language is able to consume 15:24:02 no, it is not 15:24:03 zakim, IPcaller is me 15:24:03 +MichaelKifer; got it 15:24:09 DaveR's message: http://lists.w3.org/Archives/Public/public-rif-wg/2006Jul/0041.html 15:24:12 zakim, mute me 15:24:12 MichaelKifer should now be muted 15:24:19 q? 15:25:19 RIFRAF questionaire: http://www.w3.org/2002/09/wbs/38457/RAFQuestionnaire/ 15:25:26 Questionaire is strictly incremental. If you need a new discriminator, simply ask for it to be added. Once it is there new languages can use it. 15:25:49 +1 for Francois' remark on 3.1. Decidability of a rule language in the sense of Computer Science really is not what we mean here. Decidability should refer to some inference problem or similar reasoning/computation task. 15:26:16 +Sandro 15:26:34 ok 15:27:21 Data format consumed can be multiple 15:27:24 ok! 15:27:27 +q 15:27:32 q+ 15:27:46 ACTION: Axel to add to questionnaire question whether the language has means to 15:27:46 Sorry... I don't know anything about this channel 15:27:46 access data in Web formats such as HTML, XML, RDF, OWL data. 15:28:02 ACTION Alex Add the data format discriminator 15:28:06 http://www.w3.org/2002/09/wbs/38457/RAFQuestionnaire/ 15:28:16 Initially, we referred to Decidability of the QUERY problem of a rule language. 15:28:26 q+ 15:28:53 it should bve about decidability of "entailment" of facts, probably. 15:29:04 ack markus 15:29:10 can you hear me? 15:29:31 zakim, unmute markusk 15:29:31 MarkusK was not muted, ChrisWelty 15:29:48 sorry, cant get it workin 15:30:00 I will write on IRC 15:30:00 E.g., Datalog has a decidable QUERY problem. Hornlog doesn't. 15:30:09 3.1 just is a formal issue 15:30:11 zakim, who is talking? 15:30:13 that should be easy to fix 15:30:24 ChrisWelty, listening for 10 seconds I heard sound from the following: csma (30%) 15:30:31 zakim, mute markusk 15:30:31 MarkusK should now be muted 15:30:50 just say what "decidability" refers to 15:31:15 "decidability of a language" means deciding whether something belongs to the language. 15:31:25 I suggest that francois and markus both propose reformulations for 3.1 and 3.2 15:31:28 I will send an email regarding 3.1 15:31:38 I have nothing to say about 3.2 so far ... 15:31:56 q? 15:32:00 ack frank 15:32:01 ack frank 15:32:07 ACTION MarkusK Write email with solution to 3.1 & 3.2 on the questionaire 15:32:33 action: MarkusK Write email with solution to 3.1 & 3.2 on the questionaire 15:32:33 Sorry... I don't know anything about this channel 15:32:50 Can you formulate a question plus options for answers, Frank? 15:32:51 FrankeMcCable Need to add the kinds of 'types' supported as a discriminator 15:33:30 Let's post all these suggestions on the mailinglist under the [RIFRAF] header. 15:33:57 ACTION FrankMcCable will proposed a list of type capbailities as a discriminator 15:35:12 q? 15:36:27 We won't add Dave Reymolds email seond point as a discriminator. If some language needs it they will add it 15:37:43 Dave Reynolds - Questionarie would need some work before it is used outside the Working Group 15:38:26 In http://lists.w3.org/Archives/Public/public-rif-wg/2006May/0235.html I responded to Axel's 'Syn' comment about types -- I agree, could be spliced in thus: Typed vs. Untyped Variables (Types can reuse class definitions in RDFS and OWL). 15:38:52 Chris W - The RIFRAF should be the place where the explanation of discriminator belongs. People outside the RIF WG should be able to understand the RIFPAF Wiki page. 15:39:28 I set the questionnaire currently only visible to RIF WG members! 15:39:31 Who should have access to the RIFRAF Wiki page? 15:39:43 ... at the moment. 15:40:51 Only RIF WG memebrs can fill out the questionaire 15:41:56 The RIFRAF Wiki page should be public because of our charter 15:42:30 ^wiki page^questionnaire 15:42:53 ACTION Fix questionarie so that it can be duplicated for different languages 15:43:15 :-) 15:43:38 Above action is on Alex 15:44:17 s/on Alex/on Axel (and Sandro)/ 15:44:20 Christian - Add a box at the end where people can suggest additional discriminators together with their values 15:44:26 +1 15:44:30 +1 15:44:58 ACTIOIN Axel to add pob to suggest more discriminators 15:45:25 ACTION Axel to ass box to suggest more discriminators 15:45:35 ... and drop 1.1.3 15:45:48 s/ass/add 15:46:52 Depends how you are going to do the analysis of the form results 15:47:28 TOPIC New Discriminators by Paula 15:47:39 http://lists.w3.org/Archives/Public/public-rif-wg/2006Jul/0039.html 15:49:06 http://lists.w3.org/Archives/Public/public-rif-wg/2006Jul/0027.html 15:49:12 TOPIC Items Moved to RIFRAF from Requirements 15:51:43 q? 15:53:39 Chris W - The 'owners' of the items moved from Requirements ot RIFRAF need to take responsibility for creating any necessary discrinimator for RIFRAF 15:54:12 Christian - move this topic to next week 15:54:21 paula's message from this morning: http://lists.w3.org/Archives/Public/public-rif-wg/2006Jul/0039.html 15:54:43 'Owners' propose new discriminators on email 15:55:07 q+ 15:55:14 ack paula 15:55:16 Christian - Comment on email if your disagree with additions 15:55:23 q+ 15:55:53 ack gary 15:55:54 ack paula 15:56:41 +1 to gary, shall we split the qeustionnaire then? 15:56:52 +1 to gary's comment 15:56:57 q+ 15:59:14 sandro has joined #rif 15:59:53 q- 16:01:16 Chriatian - Need to say not applicable for any question or a comment space for any lack of clarity 16:01:56 Gary - Need a maaping of 'polog-like' languages to production rules 16:02:59 See the ILOG answer for questions on the mapping to Production Rules 16:03:04 q+ 16:03:29 q? 16:05:31 Axel - Comments are switched on and can be used to say 'not applicable' 16:06:05 ChrisW - Can't uncheck / unanswer a question 16:06:24 Alex - Could use checkboxes throughout as they can be 'unchecked' 16:07:08 it is possible not to answer a question and then you get a notification: (1 response didn't contain an answer to this question) 16:09:13 what about a checkbox: "not applicable (pllease specify)" 16:09:43 ACTION Alex add 'no answer' to each question 16:10:02 s/Alex/Axel/ 16:10:13 TOPIC Technical Design 16:10:19 zakim, unmute me 16:10:19 Harold should no longer be muted 16:10:53 TOPIC Semantics for Proposed RIF Condition Language 16:11:04 q? 16:11:12 ack axel 16:11:23 zakim, mute axel_polleres 16:11:23 Axel_Polleres should now be muted 16:12:22 Harold - Email today with draft of these semantics which he describes. Michael is working on the Wiki to make this really formal 16:12:29 http://www.w3.org/2005/rules/wg/wiki/A.1_Basis%3A_Positive_Conditions 16:13:28 Christian - The semantics page doesn't really state explicitly what the semnatics is 16:13:29 zakim, unmute me 16:13:29 MichaelKifer should no longer be muted 16:13:34 q+ 16:14:35 q? 16:14:59 Harold - Current wiki semantics is still very general. Now this is being more concrete on the Wiki - focusing on conjunctions only 16:15:54 Michael - Defining semantics by stating what the models are and what is the abstraction 16:17:10 Christian - Current semantics does not propose one semantic. 16:17:37 Michael - Already agreed that there would be different dialects 16:19:24 As a point of interest, I would like to have a pointer to the decision that the RIF will have different dialects. 16:19:28 there is no one semantics! 16:19:36 Christian - Is it not possible to have one semantics for the conditions and that shared by all the dialects? 16:19:46 Positive condition semantics is at http://www.w3.org/2005/rules/wg/wiki/A.1_Basis%3A_Positive_Conditions 16:19:57 sadly, pfps, I don't think the minutes of the most recent F2F ever got done and approved, although they got very close. :-( 16:20:14 ack michael 16:20:23 ... Given a condition formula phi(X1,...,Xn) with free variables X1, ..., Xn and an interpretation M, define M(phi(X1,...,Xn)) as the set of all bindings (a1/X1,...,an/Xn) such that M |= phi(a1,...,an), where a1,...,an are elements in the domain of M. ... 16:20:32 Hmm. That is not a very happy situation. Were they not supposed to be done quite some time ago. 16:20:45 Michael - Different semantics simply exist for the differen dialects, so a single semantic for the condition language is not possible 16:20:56 q+ 16:21:11 ack frank 16:21:26 zakim, mute me 16:21:26 Harold should now be muted 16:22:34 Given that there does not appear to be a recorded decision that there are going to be different RIF dialects, then it would probably be better not to treat it has having being decided. 16:22:51 FrankMcCable - Thinks it is unrealistic that, except for possiblly a very small core, to have a single semantics. It could even be counterproductive to doso. 16:23:53 The decision was that there would not be "too many" dialects 16:24:08 that does not preclude that there will be one 16:25:06 para-consistent logicsare nothing new... can you send a pointer on this? 16:25:31 In the Roadmap discussion, we had basically three dialects: FOL, LP (Naf), and Production Rules. 16:25:40 +1 to send a pointer; there are so many approaches towards para-consistency ... 16:25:41 there are many different approaches to the issue of para-consistency, right? 16:27:13 -Axel_Polleres 16:27:14 Carl hewitt's paper: http://www.pcs.usp.br/~coin-aamas06/10_commitment-43_16pages.pdf 16:27:24 Paraconsistency is a kind of scope-localized para-consistency, so nicely fits to our scopes 16:27:29 q+ 16:27:31 I am not completely sure that this is the correct pointer 16:27:38 zakim, unmute me 16:27:38 Harold should no longer be muted 16:27:44 ACTION Peter - Proposed a single dialect semanitcs - a kind of first order logic semantics by Aug 29 - Condition Language only 16:28:53 zakim, mute me 16:28:53 Harold should now be muted 16:29:24 ACTION Harold make explicit the assumptions behind the semantics he and Michael are documenting 16:29:35 q+ 16:29:44 I meant above: Paraconsistency is a kind of scope-localized consistency, so nicely fits to our scopes. 16:29:50 ack harold 16:29:54 ACTION - Christian will propose a single semantics for the Condition Language 16:30:13 paraconsistency does not necessarily have anything to do with locality 16:30:18 -Philippe_Bonnard 16:30:51 bye 16:30:51 +1 16:30:54 right. Its my understanding that it refers to the shortest proof of inconsistency. Any shorter proofs are OK 16:30:59 -Harold 16:31:00 -StellaMitchell 16:31:01 -Darko 16:31:01 -PaulaP 16:31:03 -Gary_Hallmark 16:31:04 -Sandro 16:31:05 -MarkusK 16:31:06 ChrisW - Everyone should record regreats on Wiki if they are not attending Aug 15th meting 16:31:07 zakim, bye 16:31:07 Zakim has left #rif 16:31:07 -josb 16:31:08 -Jos_De_Roo 16:31:10 -igor 16:31:11 -GiorgosStoilos? 16:31:13 -jeffp 16:31:13 zakim, unmute me 16:31:14 -Leora_Morgenstern 16:31:16 leaving. As of this point the attendees were Hassan_Ait-Kaci, csma, MarkusK, ChrisWelty, +1.650.857.aaaa, FrankMcCabe, Mike_Dean, David_Hirtle, Philippe_Bonnard, pfps, Sandro, 16:31:20 ... Dave_Reynolds, Leora_Morgenstern, Donald_Chapin, Axel_Polleres, StellaMitchell, Jos_De_Roo, +43.512.507.9aabb, PaulaP, +1.441.224.aacc, jeffp, josb, johnhall, igor, Harold, 16:31:21 rrsagent, make minutes 16:31:21 I have made the request to generate http://www.w3.org/2006/07/25-rif-minutes.html ChrisWelty 16:31:22 ... GiorgosStoilos?, Gary_Hallmark, MichaelKifer 16:31:35 sandro? 16:31:39 #quit 16:31:39 zakim, unmute me 16:31:49 bye 16:32:02 can you hear me 16:32:09 Zakim has joined #rif 16:32:17 zakim, unmute donald_chapin 16:32:17 sorry, ChrisWelty, I don't know what conference this is 16:32:23 zakim, this is rif 16:32:23 ok, ChrisWelty; that matches SW_RIF()11:00AM 16:32:26 zakim, unmute donald_chapin 16:32:26 Donald_Chapin should no longer be muted 16:34:07 -Donald_Chapin 16:34:12 -ChrisWelty 16:34:15 -csma 16:47:12 -Mike_Dean 16:47:13 SW_RIF()11:00AM has ended 16:47:14 Attendees were Hassan_Ait-Kaci, csma, MarkusK, ChrisWelty, +1.650.857.aaaa, FrankMcCabe, Mike_Dean, David_Hirtle, Philippe_Bonnard, pfps, Sandro, Dave_Reynolds, Leora_Morgenstern, 16:47:19 ... Donald_Chapin, Axel_Polleres, StellaMitchell, Jos_De_Roo, +43.512.507.9aabb, PaulaP, +1.441.224.aacc, jeffp, josb, johnhall, igor, Harold, GiorgosStoilos?, Gary_Hallmark, 16:47:22 ... MichaelKifer 18:02:15 csma has left #rif 18:35:52 Zakim has left #rif