12:08:40 RRSAgent has joined #wot 12:08:40 logging to http://www.w3.org/2017/05/24-wot-irc 12:10:11 mkovatsc_ has joined #wot 12:10:22 yamada has joined #wot 12:10:53 WebEx tells me "The meeting has been cancelled" 12:11:29 I am using the link from the wiki / mail archive 12:13:06 all, very sorry but please use: https://mit.webex.com/mit/j.php?MTID=mde18b15288a90e0a227c3f0bd1760966 instead 12:15:24 I've just updated the link for webex on the main call wiki: https://www.w3.org/WoT/IG/wiki/Main_WoT_WebConf#WebEx 12:15:58 scribenick: dsr 12:16:02 chair: Michael 12:16:12 present+ Dave_Raggett 12:16:30 Topic: Thing to Thing Research Group meeting 12:17:02 This is in respect to the next WoT F2F in Dusseldorf. The T2TRG meeting is in Prague. 12:17:22 present+ DanhLePhuoc 12:17:29 Anyone know what pass is needed for the T2TRG meeting? 12:17:33 Present+ Kaz_Ashimura, Michael_McCool, Angel_Retamar, Danh_Le_Phuoc, Daniel_Peintner, Dave_Raggett, Johannes_Hund, Kunihiko_Toumura, Masata_Ohura, Matthias_Kovatsch, Michael_Koster, Sebastian_Kaebisch, Takeshi_Yamada, Taki_Kamiya, Keiichi_Tokuyama, Uday_Davuluru, Katsuyoshi_Naka 12:17:50 The one day pass for the IETF is $375, is that sufficient? 12:18:18 Michael K: Ari would know. 12:18:29 Agenda: https://www.w3.org/WoT/IG/wiki/Main_WoT_WebConf#Agenda 12:19:05 present+ Masato_Ohura 12:19:07 Karsten would know. 12:19:09 uday has joined #wot 12:19:19 Topic: OCF Liaison meeting 12:19:41 present+ Federico_Sismondi 12:19:45 Small meeting - we discussed our goals for the next WoT F2F. We would like to have some demos running. 12:19:58 Michael K: I will work mostly on the upper layer stuff 12:20:25 s/Michael K:/Michael_K:/ 12:20:28 s/Michael K:/Michael_K:/g 12:20:33 rrsagent, make log public 12:20:38 rrsagent, draft minutes 12:20:38 I have made the request to generate http://www.w3.org/2017/05/24-wot-minutes.html kaz 12:20:55 Michael M. The current open source software is in pretty good shape and includes device simulation. I am still trying to get it runnng and can share what I learned. 12:21:17 Topic: Presentations 12:21:24 s/Michael M./Michael_M:/g 12:21:32 No presentations scheduled for today. 12:21:54 Topic: Summary of Osaka face to face 12:22:28 -> https://www.w3.org/2017/05/wot-f2f/ photos and slides from the Osaka f2f 12:22:51 -> https://www.w3.org/2017/05/19-wot-minutes.html minutes from Friday 12:23:25 Kaz presents some of his photos of the face to face. 12:23:27 -> https://www.w3.org/2017/05/15-19-wot-minutes.html draft compiled minutes 12:24:04 We had some visitors to the plugfest and we showed them our demos. 12:24:46 Siemens had a fault with their temperature sensor and were able to use one of the other demos to source the room temperature as a thing. 12:25:36 We had around 50 people for the second day and a good set of talks for the Open Day, including an invited talk on behalf of Open Fog. 12:25:47 We got a group photo! 12:26:17 sebastian has joined #wot 12:26:26 The rest of the days were focused on the IG/WG work items with break outs. 12:26:46 The agenda has links to slides and photos. 12:27:18 For security, we started with a talk in the open day and then had sessions on successive days. 12:27:43 We reviewed the threat model and references to external work. 12:28:03 -> https://www.w3.org/WoT/IG/wiki/F2F_meeting,_May_2017,_Osaka,_Japan Osaka f2f wiki 12:28:07 We added roles and use cases to the threat model 12:29:46 One of the outcomes was a diagram showing the security boundaries for a WoT run-time and drivers etc. 12:30:44 Any questions? 12:30:47 [no] 12:31:13 Johannes covers the scripting break out summary 12:32:02 We had two sessions, one on modelling of thing management. Nimura-san provided use cases and diagrams. Zoltan provided an architecture image. 12:32:58 In the second session we discussed the new version of the APIs and the similarities/differences to browsers. 12:33:20 The minutes were taken online. 12:34:19 - Wed. 17: 12:34:19 https://www.w3.org/2017/05/17-wot-minutes.html 12:34:19 https://www.w3.org/2017/05/17-wot-breakout-minutes.html 12:34:19 - Thu. 18: 12:34:21 https://www.w3.org/2017/05/18-wot-minutes.html 12:34:23 - Fri. 19: 12:34:25 https://www.w3.org/2017/05/19-wot-minutes.html 12:34:28 Questions? 12:34:52 Michael_M: one question is about access to the device harware? 12:35:17 Johannes: we agree that this should be through a thing. 12:35:30 Michael: this is good for security 12:35:48 Johannes: and to avoid fragmentation. 12:36:14 Serbastian summaries the discussions on thing descriptions 12:36:20 https://www.w3.org/WoT/IG/wiki/images/9/95/Td_summary_osaka.pdf 12:37:21 We discussed the baseline thing description model with properties, actions and events. 12:37:26 ryuichi has joined #wot 12:38:35 We looked at using JSON-LD and also regular JSON 12:38:47 in respect to serialisation of interaction models 12:39:29 Michael: do the examples on the slide refer to the same interaction model? 12:39:47 -> https://tools.ietf.org/html/rfc6690 RFC6690 12:40:55 [kajimoto-san's proposal on @include and @remove] 12:41:02 For the lifecycle of things, Kajimoto-san presented some ideas on introducing new terms for JSON-LD, e.g. @remove. He presented a demo and hopes to collaborate with the JSON-LD Community Group with a view to standardising the additions, 12:41:31 We looked at how to add semantic annotations to JSON schema. 12:44:37 This focused on use of @type declaration. There was a lot of discussion, e.g. does it make sense to use JSON Schema. We would like to look at other proposals from Dave and Yongjing. 12:45:02 See: https://github.com/w3c/wot/blob/master/proposals/dsr-td/td-draft-spec-dsr.md 12:46:04 Sebastian please use the following issue for discussion 12:46:50 We also discussed the thing description namespace, and how we would like to deal with versioning. 12:47:08 We discussed serialisation on Friday afternoon. 12:48:24 Daniel: we decided to take a fresh look at serialisation formats, and would like to consider a format that appeals to web developers, and another format that is better suited to high performance/constrained devices. 12:49:57 (sebastian is looking for the link for the schema type discussion) 12:50:02 scribenick: kaz 12:50:10 dsr: gives summary of LD discussion 12:50:26 ... focused on the relationship between interaction model and semantic model 12:50:49 ... encourage sdos to converge 12:51:15 ... we have bridging ontology 12:51:22 ... linking semantic models 12:51:38 issue about semantic annotations in type definitions: https://github.com/json-schema-org/json-schema-spec/issues/309 12:52:05 dsr: expected plugfest during upcoming f2f 12:52:21 ... ontologies for OCF, Echonent, OPC,e tc. 12:52:38 ... to look at the opportunity for W3C to define APIs 12:52:52 ... light-weight APIs to access ontologies 12:53:17 ... the diagram on the right side explains the idea 12:53:49 ... motion sensor, e.g., of OCF, provides data to other devices, e.g., oneM2M 12:53:59 ... variations of cross-devices 12:54:04 thor has joined #wot 12:54:32 topic: Next f2f 12:55:12 -> http://www.w3.org/2017/05/wot-f2f/slides/Dusseldorf-F2F.pdf Uday's slides on Dusseldorf meeting 12:55:27 ud: will work with Kaz for the wiki and registration site 12:55:38 mm: suggestions for transport? 12:55:49 ud: try to look into it 12:56:44 ... getting observer requests 12:56:57 ... working smart staff 12:57:01 s/staff/stuff/ 12:57:19 mm: use case discussions for OpenDay 12:57:26 ud: smart city or energy 12:57:36 ... they work on mobility 12:57:46 ... Matthias also mentioned some company 12:58:06 ... note the dates will be 9-13 July 12:58:17 ... Monday, 20 July would be OpenDay? 12:58:28 mm: depends on who can come which day 12:58:40 s/20/10/ 12:59:09 ... monday sounds like a plan at the moment 12:59:27 ud: would like to start invite observers then 12:59:48 ... any other opinions from the group? 12:59:57 Husqvarna -- also chainsaws and off-road racing motorcycles 12:59:58 (no specific comments) 13:01:02 q+ 13:01:15 topic: Next step - roadmap 13:01:20 mk: slides online 13:01:24 https://www.w3.org/WoT/IG/wiki/images/b/b4/2017_F2F-Osaka-Next.pdf 13:01:41 mk: please see the above slides 13:01:46 ... no time for today 13:01:58 mm: would like to talk about marketing things as well 13:02:12 mk: will be taking vacation next week 13:02:29 mm: better to have some discussion this week? 13:02:38 mk: this week would be better than next week 13:03:43 kaz: we should talk with the W3C Comm Team as well 13:03:55 mm: would start some initial discussion as well 13:04:12 sk: I'll be on vacation next week too 13:04:33 ... Taki will take the lead for Friday, May 26th 13:05:34 ... btw, wondering about the write permission for the TD repo 13:05:45 kaz: let's have discussion on that point offline 13:06:37 mm: btw, this Friday, neither Zoltan or Elena can make the Security call 13:06:57 kaz: let's cancel the call then 13:06:59 mm: ok 13:07:21 [adjourned] 13:08:06 taki has left #wot 13:08:10 rrsagent, draft minutes 13:08:10 I have made the request to generate http://www.w3.org/2017/05/24-wot-minutes.html kaz 13:17:22 taki has joined #wot 14:58:28 taki has joined #wot 15:10:02 taki has left #wot 15:10:20 Zakim has left #wot 16:34:00 dsr has joined #wot