15:43:47 RRSAgent has joined #er 15:43:47 logging to http://www.w3.org/2005/05/24-er-irc 15:43:55 zakim, this will be ERT 15:43:56 ok, shadi; I see WAI_ERTWG()12:00PM scheduled to start in 17 minutes 15:44:05 Meeting: ERT WG 15:44:20 Agenda: http://lists.w3.org/Archives/Public/public-wai-ert/2005May/0035.html 15:44:29 Scribe: Wendy 15:44:35 Chair: Shadi 15:45:15 Regrets: Chrisoula, Chris, Johannes, Sandor, Nick, Gabriele 15:45:32 agenda+ Referencing External Vocabulary in EARL 15:45:45 agenda+ Identifying Assertors of Type "Tool" 15:45:58 agenda+ (Continued) Proposed Changes to the EARL Schema 15:50:41 JibberJim has joined #er 15:57:54 CarlosI has joined #er 15:59:40 WAI_ERTWG()12:00PM has now started 15:59:43 +Shadi 16:00:45 Zakim, what's the phone number? 16:00:45 I don't understand your question, JibberJim. 16:00:55 zakim, help 16:00:55 Please refer to http://www.w3.org/2001/12/zakim-irc-bot for more detailed help. 16:00:57 Some of the commands I know are: 16:00:58 zakim, code? 16:00:59 xxx is yyy - establish yyy as the name of unknown party xxx 16:01:01 if yyy is 'me' or 'I', your nick is substituted 16:01:03 xxx may be yyy - establish yyy as possibly the name of unknown party xxx 16:01:06 I am xxx - establish your nick as the name of unknown party xxx 16:01:08 xxx holds yyy [, zzz ...] - establish xxx as a group name and yyy, etc. as participants within that group 16:01:10 xxx also holds yyy - add yyy to the list of participants in group xxx 16:01:13 who's here? - lists the participants on the phone 16:01:16 who's muted? - lists the participants who are muted 16:01:18 mute xxx - mutes party xxx (like pressing 61#) 16:01:20 unmute xxx - reverses the effect of "mute" and of 61# 16:01:23 is xxx here? - reports whether a party named like xxx is present 16:01:25 list conferences - reports the active conferences 16:01:26 this is xxx - associates this channel with conference xxx 16:01:28 excuse us - disconnects from the irc channel 16:01:30 I last learned something new on $Date: 2005/05/24 17:16:11 $ 16:01:31 the conference code is 3794 (tel:+1.617.761.6200), shadi 16:02:03 chaals has joined #er 16:02:09 calling in a second... 16:03:00 zakim, code? 16:03:00 the conference code is 3794 (tel:+1.617.761.6200), chaals 16:03:42 Wow, zakim should read the UAAG and give people enough time to respond 16:04:03 *lol* 16:05:09 Grr. won't accept my DTMF tones, either :-( 16:05:45 yes, has been happening to quite many people lately 16:06:10 i believe ralph and the systeam are already aware and working on it 16:06:24 are you using skype? 16:07:00 wendy has joined #er 16:07:03 it's not letting me in... 16:07:06 zakim, code? 16:07:06 the conference code is 3794 (tel:+1.617.761.6200), wendy 16:07:11 he just keeps hanging up 16:07:24 yes, here too 16:07:37 on a real phone 16:07:41 :( 16:07:45 +Wendy 16:07:57 oh, he like Wendy... 16:07:58 zakim, drop wendy 16:07:58 Wendy is being disconnected 16:07:59 -Wendy 16:08:35 +Wendy 16:09:00 zakim, who's on the phone? 16:09:00 On the phone I see Shadi, Wendy 16:09:52 jim, you can wait until the operator answers. 16:09:59 Trying to call... 16:10:07 she (amy) can then help you onto the bridge 16:10:23 the operator doesn't answer, I just get hung up :-( 16:10:45 I get hung up after ending the code which seems to be accepted 16:10:51 er entering 16:11:58 trying to get help... 16:14:37 are you guys still trying and getting the same message? chaals are you having the same problem as jim (accepts code then hangs up)? 16:15:15 yep. 16:15:31 tried 3 times, I'll try again 16:15:41 -Shadi 16:16:34 +Shadi 16:17:04 :( 16:17:36 +[IPcaller] 16:17:37 CarlosI has joined #er 16:17:46 zakim, ipcaller is chaals 16:17:46 +chaals; got it 16:18:23 +Jim_Ley 16:19:06 +??P3 16:19:47 mute Jim_Ly 16:19:49 mute Jim_Ley 16:19:54 zakim, mute Jim_Ley 16:19:54 Jim_Ley should now be muted 16:20:02 zakim, ?? is really CarlosI 16:20:02 +CarlosI; got it 16:20:13 Sorry, I'm stuck in an office I'm visiting... 16:20:51 scribe: wendy 16:21:48 zakim, take up item 1 16:21:48 agendum 1. "Referencing External Vocabulary in EARL" taken up [from shadi] 16:22:22 http://lists.w3.org/Archives/Public/public-wai-ert/2005May/0031.html 16:24:01 saz: outlines possibilties in uri above 16:24:27 ack ch 16:25:02 cmn's response: http://lists.w3.org/Archives/Public/public-wai-ert/2005May/0036.html 16:25:08 cmn: we shouldn't add things we don't need. 16:26:50 saz responds, concern about stability - http://lists.w3.org/Archives/Public/public-wai-ert/2005May/0037.html 16:27:31 cmn: for each, determine if stable. if it has wide implementation it is likely stable. 16:27:43 cmn: don't need to say anything more in our schema. 16:28:39 cmn: where we find something that we have created is the same as something else, we should say so, but we should avoid doing it if possible 16:28:59 saz: 3 points for discussion - 1. foaf stability 2. referencing external vocabulary (e.g., dc:date) 3. owl constraints to select a person or tool as an assertor 16:29:19 16:29:19 Assertor 16:29:19 Person or Tool that claims assertions 16:29:19 16:29:19 16:29:20 16:29:22 16:29:24 16:29:42 saz: this is a way of referencing a foaf:person as an assertor 16:30:06 s/anything more in our schema/anything about the property or class itself - add owl constraints and use rdf:seealso to point to it/ 16:30:10 saz: avoid duplicating 'person' directly use person 16:30:21 cmn: good idea 16:30:35 zakim, unmute Jim_Ley 16:30:35 Jim_Ley should no longer be muted 16:30:58 16:30:58 16:30:58 16:30:58 16:31:14 jl: we should use foaf:person 16:31:26 zakim, mute Jim_Ley 16:31:26 Jim_Ley should now be muted 16:32:37 saz: reuse whatever is defined in dc. 16:32:42 q+ 16:32:44 ack c 16:32:44 chaals, you wanted to say bad idea 16:32:51 q- 16:32:58 q+ I agree with chaals 16:33:07 cmn: if we're creating something that's the same as something else, why not just use the something else? 16:34:43 saz: how do we formalize? 16:35:03 cmn: 1st e.g., formalizes nicely. 16:35:13 cmn: eithe foaf:person or a tool 16:35:18 s/eithe/either 16:36:01 cmn: tools must have a dc:title 16:36:49 saz: need to dig into owl to determine how to express something like that. 16:36:59 No, just agree with him, very noisy here 16:37:40 http://www.w3.org/WAI/ER/EARL10/schema.html 16:38:08 action: chaals dig out how to require some non-earl property in the earl spec, using OWL 16:39:05 cmn: refers to email http://lists.w3.org/Archives/Public/public-wai-ert/2005May/0041.html 16:39:42 cmn: conformance to earl spec 16:40:02 saz: need to discuss at some point. plan to send requirements draft in next week. 16:40:29 saz: considering minimum earl (for interoperability). 16:41:15 saz: tool that outputs earl doesn't necessarily need to know owl. but tools that validate earl, will need to. be careful to ensure we're using things that are supported by parsers/tools. 16:42:14 zakim, close this item 16:42:14 agendum 1 closed 16:42:15 I see 2 items remaining on the agenda; the next one is 16:42:16 2. Identifying Assertors of Type "Tool" [from shadi] 16:42:23 zakim, take up next item 16:42:23 agendum 2. "Identifying Assertors of Type "Tool"" taken up [from shadi] 16:43:05 saz: sandor sent about doap - http://lists.w3.org/Archives/Public/public-wai-ert/2005May/0032.html 16:43:19 saz: not stable and not widely distributed. 16:43:59 saz: either define own versioning, or follow owl and dc path - provide hooks for specific domains to develop own versioning OR continue searching for something. 16:44:25 ack c 16:44:25 chaals, you wanted to say let's keep looking 16:44:48 cmn: let's keep looking. write requirements for vocabulary and include in requirements doc. 16:45:24 cmn: have other things to do first, so can put off for a while. if finish everything else, then fill the gap w/our own. 16:45:58 saz: it's not essential now. may be other ways to identify a tool. 16:47:00 I can take it if needed, but I'm quite busy if it's not urgent 16:47:28 saz: i'll follow-up with sandor to see if he wants to do more searching. 16:48:44 saz: while foaf is widely spread, libby said that only 1 entity was fully tested. others are not stable. don't want to take foaf as a given and at a later stage discover can't depend on. 16:49:02 saz: will continue discussions with libby, but will need to consider again. "foaf ornot to foaf" 16:49:09 zakim, close this item 16:49:09 agendum 2 closed 16:49:10 I see 1 item remaining on the agenda: 16:49:11 3. (Continued) Proposed Changes to the EARL Schema [from shadi] 16:49:17 zakim, take up next item 16:49:17 agendum 3. "(Continued) Proposed Changes to the EARL Schema" taken up [from shadi] 16:49:28 saz: don't want to get into too deeply w/out rest of the group. 16:49:45 http://www.w3.org/WAI/ER/EARL10/schema.html#prop-result 16:50:32 saz: new property - precision 16:51:14 ack c 16:51:14 chaals, you wanted to say yes to dc:description, no to earl:precision as currently modelled... should use datatypes or (as a last resort) the class model DanC calls curried 16:51:18 ... something 16:51:56 cmn: yes to dc:description, no to earl:precision as currently modelled... should use datatypes or (as a last resort) the class model DanC calls curried something 16:52:20 cmn: either be similar to TestResult (datatype for non-literal) or ... 16:52:42 cmn: confidence isn't clear how it works, therefore not a great idea to add another property that describes something we don't understand yet. 16:53:14 cmn: confidence is (likely going to be) one property that could be refined by datatype or by a collection of possible values. 16:53:53 saz: how to use confidence and/or precision? how is it derived? currently, open and arbitrary. 16:54:46 saz: what are the use cases? one is a tool that knows heuristics. perhaps create requirements from that. 16:54:50 ack c 16:54:50 chaals, you wanted to agree and suggest that this is why we shouldn't make a second property that is currently arbitrary 16:55:01 cmn: agree and suggest that this is why we shouldn't make a second property that is currently arbitrary 16:55:08 action: chaals to find paper on modelling probability in RDF as an example of better approach. 16:55:27 cmn: agree that interoperability is the issue. 16:56:32 cmn: SWBPIG has published something about datatypes and other things that may be useful. 16:56:46 s/other things/n-ary relations/ 16:57:34 http://www.w3.org/TR/swbp-n-aryRelations/ 16:57:47 http://www.w3.org/TR/swbp-xsch-datatypes 16:57:52 http://www.w3.org/2001/sw/BestPractices/ 16:58:05 saz: remove high/med/low? 16:58:25 cmn: yes. maintain confidence for now since several people had use cases for confidence info. 16:58:34 s/maintain/however, maintain 17:01:47 saz: could wcag checkpoints be marked as auto/human test? 17:02:48 wac: tests certainly, but not checkpoints/success criteria since usually a combo of the 2. not sure how useful hi/med/low confidence levels be for tests since writing them for hi confidence on all. i.e., writing to be unambiguous, therefore we should have hi confidence that if people are knowledgeable they are going to get a good answer. 17:03:18 saz: hi/med/low is nice and simple. a scheme of how to flag test results would interoperable. 17:03:22 ack c 17:03:22 chaals, you wanted to say it is simple, but has no obvious interoperability beyond trivial case (100% or 0% confidence 17:03:35 cmn: it is simple, but has no obvious interoperability beyond trivial case (100% or 0% confidence) 17:04:30 q+ to say confidence is in the evaluator or the test and less on the result 17:05:32 cmn: we're likely solving problems that we don't have. 17:05:39 saz: confidence in test description not result. 17:06:06 ack we 17:06:06 wendy, you wanted to say confidence is in the evaluator or the test and less on the result 17:06:15 wac: confidence is in the evaluator or the test and less on the result 17:06:18 q+ to say confidence is something consumers have about a tester rather than a particular test 17:06:23 zakim, unmute Jim_Ley 17:06:23 Jim_Ley should no longer be muted 17:06:30 ack jim 17:06:38 jl: confidence is something consumers have about a tester rather than a particular test 17:07:12 zakim, mute Jim_Ley 17:07:12 Jim_Ley should now be muted 17:07:35 [the value in confidence is that there are examples where it is useful, just that particular confidence levels are beyond our current ability to describe usefully] 17:08:22 -CarlosI 17:08:25 -Shadi 17:08:32 -Wendy 17:08:34 -chaals 17:08:46 -Jim_Ley 17:08:48 WAI_ERTWG()12:00PM has ended 17:08:49 Attendees were Shadi, Wendy, [IPcaller], chaals, Jim_Ley, CarlosI 17:08:50 RRSAgent, generate minutes 17:08:50 I have made the request to generate http://www.w3.org/2005/05/24-er-minutes.html wendy 17:09:14 RRSAgent, make log world 17:12:13 chaals has left #er 17:15:59 zakim, bye 17:15:59 Zakim has left #er 17:16:03 rrsagent, bye 17:16:03 I see 2 open action items: 17:16:03 ACTION: chaals dig out how to require some non-earl property in the earl spec, using OWL [1] 17:16:03 recorded in http://www.w3.org/2005/05/24-er-irc#T16-38-08 17:16:03 ACTION: chaals to find paper on modelling probability in RDF as an example of better approach. [2] 17:16:03 recorded in http://www.w3.org/2005/05/24-er-irc#T16-55-08