11:57:05 RRSAgent has joined #wot 11:57:05 logging to https://www.w3.org/2021/10/26-wot-irc 11:58:14 meeting: WoT vF2F in October - Day 3 11:58:24 dezell has joined #WoT 11:58:27 endo has joined #wot 11:58:41 takio has joined #wot 11:59:26 present+ Kaz_Ashimura, Michael_McCool, Hiroki_Endo, Hiroshi_Fujisawa, Kinji_Matsukura, Pierre-Antoine_Champin, Vincent_Chen 11:59:36 present+ Takio_Yamaoka 11:59:56 present+ Fuqiao_Xue, Ai_Mizokawa, Lance_Deng__Midea 12:00:04 zkis has joined #wot 12:00:08 Tm has joined #WoT 12:00:28 pchampin has joined #wot 12:01:04 mlagally has joined #wot 12:01:07 present+ Michael_Lagally 12:01:08 Qing_An has joined #wot 12:01:12 -> https://www.w3.org/Consortium/Patent-Policy-20170801/ Patent Policy 12:01:15 present+ David_Ezell 12:01:25 present+ 12:01:45 ktoumura has joined #wot 12:01:49 mlagally_ has joined #wot 12:01:54 present+ David_Ezell, Jack_Dickinson 12:02:06 present+ Klaus_Hartke 12:02:19 present+ Daisuke_Ajitomi 12:02:36 present+ Kunihiko_Toumura, Michael_Koster 12:02:53 xfq has joined #wot 12:03:34 dajiaji has joined #wot 12:03:37 dape has joined #wot 12:03:54 hfujisawa has joined #wot 12:03:54 Ege has joined #wot 12:04:03 dsr has joined #wot 12:04:08 Hirata has joined #wot 12:04:24 present+ Hiroshi_Ota, Peter_Bruhn_Andersen, Qing_An, Takio_Yamaoka, Tetsuhiko_Hirata, Tomoaki_Mizushima 12:05:00 scribe: dape 12:05:13 TOPIC: Opening Session 12:05:20 present+ Tomoya_Asai, Aritaka_Shinoda 12:05:25 MMC: Welcome to 3rd session 12:05:43 ... 2 regular sessions 12:05:51 ... and open day 12:06:13 ... today we will be discussing use-cases and Japanese WoT CG 12:06:41 Mizushima has joined #wot 12:07:41 ... 12:08:18 Adam_ has joined #wot 12:08:34 zkis has joined #wot 12:08:41 i|Welcome|-> https://github.com/w3c/wot/blob/main/PRESENTATIONS/2021-10-online-f2f/2021-10-26-WoT-F2F-Opening-McCool.pdf McCool's slides| 12:09:12 rrsagent, make log public 12:09:16 rrsagent, draft minutes 12:09:16 I have made the request to generate https://www.w3.org/2021/10/26-wot-minutes.html kaz 12:09:23 Hello. I would like to request today's Webex link. I am presenting today on digital microscopes. 12:09:36 TOPIC: Use Cases 12:10:02 ML: Let's jump into the presentations 12:10:15 chair: McCool 12:10:22 ... have some intro slides to give outline 12:10:37 present+ Brian_Kardell 12:10:56 present+ Daniel_Peintner, Ege_Korkan 12:10:57 ... after that we have presentations from Conexxus, NHK, MiniApps, Digital Microscopes, and Retail 12:11:03 rrsagent, draft minutes 12:11:03 I have made the request to generate https://www.w3.org/2021/10/26-wot-minutes.html kaz 12:11:08 ML: Objective of use case task force 12:11:13 present, Fady_Salama 12:11:24 ... identify and describe relevant use cases 12:11:32 zkis has joined #wot 12:11:44 ... collect uses cases from W3C and other stakeholders 12:11:56 present+ Sudeep 12:11:58 !!! Hello. I am presenting today on digital microscopes. I need the Webex link? 12:12:04 present+ Takashi_Minamii 12:12:23 ... collaborate with WoT task forces 12:12:41 ... and external groups 12:12:56 ota has joined #wot 12:13:09 ... we ensure quality with a proper process 12:13:39 ... document structure 12:14:05 ... horizontal use-cases... applicable to vertical use-cases 12:14:31 present+ Steve_Lee 12:14:55 .. document has requirements section and liaison section 12:15:27 ... we use light-weight Markdown/HTML template for initial use-case 12:15:38 ... publication schedule 12:15:46 ... first publication in May 2021 12:16:02 ... new publication in December 2021 12:16:19 q? 12:16:38 dynamis has joined #wot 12:17:12 SUBTOPIC: Conexxus 12:17:46 Thank you. 12:17:52 present+ Adam_Sobieski 12:17:59 DE: Conexxus, we write standards 12:18:12 ... 1991 at W3C 12:18:15 ... we are consumers 12:18:29 ... not really creators of standards 12:19:13 ... retails store 12:19:31 .. interest in WoT- how to to write standards in the space 12:19:54 JD: convenience stores.. retailers 12:20:06 ... interested in data or sensors 12:20:29 ... organizations have separate groups 12:20:45 ... focused on general operation but also security, management, ... 12:20:48 steve has joined #wot 12:20:52 ... planning teams 12:20:56 stevelee has joined #wot 12:21:09 ... General Business Issues & Benefits 12:21:21 ... Equipment & Facilities 12:21:29 ... Sales & Marketing 12:21:37 ... Safety & Compliance 12:21:41 ... Operations 12:21:54 ... dynamic group of people 12:22:02 ... problems & challenges 12:22:09 ... data in silos 12:22:33 ... data is often limited .. and access is limited 12:22:44 ... not shared across devices 12:22:57 dom has joined #wot 12:23:06 ... Common Data Points 12:23:09 present+ Ryuichi_Matsukura 12:23:21 ... online vs offline status of device 12:23:22 dom has left #wot 12:23:24 ryuichi has joined #wot 12:23:30 ... software level of a device 12:24:00 ... status of peripherals such as displays, printers, ... 12:24:54 q+ to mention it's available at: https://github.com/w3c/wot-usecases/tree/main/USE-CASES/retail 12:24:56 DE: We are in the process of attempting our use-cases to GH 12:25:00 pebran has joined #wot 12:25:00 ... about 20 use-cases 12:25:20 ... divided in several groups 12:25:20 s/about 20/27/ 12:25:38 ... e.g., indoor sales devices 12:25:55 present+ Xiaoqian_Wu 12:26:03 ... target users: owner, manufacturer, ... 12:26:08 present+ Tetsushi_Matsuda 12:26:20 present+ Richard_Lea 12:26:31 ... interested in expected data 12:27:04 ... need to know the status of devices like printers are up 12:27:16 q? 12:27:41 ... dependencies with TD and Discovery 12:27:56 ack k 12:27:56 kaz, you wanted to mention it's available at: https://github.com/w3c/wot-usecases/tree/main/USE-CASES/retail 12:28:05 mjk has joined #wot 12:28:09 ... sometimes we have read-only information from sensors 12:28:28 present+ 12:28:31 ... e.g., indoor door sensor use-case 12:28:51 s/... sometimes/de: sometimes/ 12:28:56 ... process: we want to know time.. who is accessing 12:29:07 ... or locked in cooler et cetera 12:29:19 ... safety issues, security issues 12:29:32 bkardell_ has joined #wot 12:29:48 ... the use-case templates helped us to fit in our use-cases 12:29:52 matsuda has joined #wot 12:29:59 present+ 12:30:02 ... stakeholders... we call them target users 12:30:25 ... is about "who" wants the information 12:30:51 ... e.g. use case: stop button 12:31:07 -> https://github.com/w3c/wot-usecases/blob/main/USE-CASES/retail/Retail-outdoor-allStopButton.md 12:31:17 ... big red button for emergency case 12:31:29 s/... big/de: big/ 12:31:53 ... inside the store we need a better UI 12:32:07 present+ Kazuhiro_Hoya 12:32:27 DJ: button hit accidentally or on purpose 12:32:40 DE: expected data is very thin 12:32:58 ... devices are not created by us 12:33:05 present+ Philippe_Le_Hegaret 12:33:05 plh has joined #wot 12:33:27 ... we would like to say here is a TD .. helps us to understand the data 12:33:48 ... manufacturer providing input 12:33:57 q? 12:34:01 q+ 12:34:07 q+ brian 12:34:18 ack b 12:34:34 Brian: Who to contact? 12:34:42 DE: manufacturer 12:34:53 ... helpful for us 12:35:12 ... industry contact... 12:35:36 ML: Out of the box TDs, right? 12:35:45 VincentChen has joined #wot 12:35:48 DE: Yes, correct 12:36:04 ... opportunity to help with TDs 12:36:23 q? 12:36:24 q? 12:36:53 Kaz: Provided use-cases are very useful 12:37:27 q+ 12:37:32 ack k 12:37:48 ... many use-cases ... maybe prioritize ? 12:38:03 DE: Yes, will try to come up with top 3 list 12:38:15 q? 12:38:18 q? 12:38:22 ack mjk 12:39:18 MK: use-cases are more about how devices provide TDs 12:39:34 dsr has joined #wot 12:39:44 ... how to interop across industry ? 12:40:02 ... ThingModels being more generic? 12:40:32 ML: Suggest to tackle this observation in next use-case call 12:41:03 SUBTOPIC: MiniApps 12:41:13 sebastian has joined #wot 12:41:22 QA: from MiniApps groups 12:41:34 present+ Zoltan_Kis 12:41:34 ... Alibaba group 12:42:03 ... miniApp CG and WG at W3C 12:42:12 i/from/@@@QinAn's slides/ 12:42:26 ... this year we started work on IoT 12:42:31 present+ Sebastian_Kaebisch 12:42:35 ... MiniApp overview 12:42:43 ... new format of mobile application 12:42:54 ... running on top of native apps or os 12:43:07 ... web-like, free installation 12:43:14 ... What is MiniApp for IoT 12:43:27 ... running on IoT devices 12:43:43 ... similar architecture... 12:43:51 ... run on top if IoT OS 12:44:09 ... unique features: packaging, life-cycle 12:44:13 ... Some use cases 12:44:20 ... -> switch panel 12:44:22 ←ReSpec 12:44:22 MiniApp for IoT -> https://w3c.github.io/miniapp-iot/ 12:44:24 ... -> smart speaker 12:44:29 ... -> checkout pad 12:44:30 s/←ReSpec// 12:44:38 ... -> video conference terminal 12:44:50 ... -> face recognition terminal 12:44:56 ... -> locator 12:45:35 ...Hardware supporting MiniApp for IoT 12:45:43 ... - LTE Cat 1 Module 12:45:49 ... - Wi-Fi module 12:45:56 ... - AliOS things 12:46:09 ... Benefits of MiniApp for IoT 12:46:18 s/... -> video/qa: -> video/ 12:46:24 s/...H/... H/ 12:46:43 ... traditionally developers write code -> obj -> binary 12:47:14 ... with MiniApps, Coding based on libraries/API (JS+JSON) 12:47:21 ... easy to integrate 12:47:34 rrsagent, draft minutes 12:47:34 I have made the request to generate https://www.w3.org/2021/10/26-wot-minutes.html kaz 12:47:36 ... web developers can write apps for IoT 12:48:04 ... Develop and Debug 12:48:05 s/present, F/present+ F/ 12:48:07 rrsagent, draft minutes 12:48:07 I have made the request to generate https://www.w3.org/2021/10/26-wot-minutes.html kaz 12:48:16 ... local write vs. online write 12:48:44 ... How to develop miniApp for IoT 12:49:07 ... use app.js + app.json -> single page miniApp application 12:49:34 ... more files possible like XML and CSS 12:50:01 q? 12:50:02 ... packaging structure 12:50:03 q+ 12:50:05 q+ 12:50:28 i/Let's jump into the presentations/-> @@@Lagally's slides/ 12:50:54 ... working experience similar to mobile 12:51:14 ... we are working on spec called miniApp for IoT 12:51:16 i/Conexxus, we write standards/-> @@@David's slides/ 12:51:37 ... packaging / lifecycle / components 12:51:57 present+ zhoudan 12:52:02 present+ 12:52:03 q? 12:52:08 q+ 12:52:11 ... we think there is joint work & discussions 12:52:21 q+ to ask how WASM / WASI fit in that picture 12:52:25 q+ 12:52:41 rrsagent, draft minutes 12:52:41 I have made the request to generate https://www.w3.org/2021/10/26-wot-minutes.html kaz 12:53:14 MMC: Difference to WebApps? 12:53:25 QA: broader aspect 12:53:56 ... runtime is different 12:54:32 ... not used in web only, native also 12:54:32 present+ shane 12:55:19 q+ how about the status/plan about UART/SPI/GPIO/I2C APIs? 12:55:23 q? 12:55:55 q+ to ask about packaging and expected runtime (collating with the WASM question from @pchampin) 12:56:01 ack mc 12:56:03 ack e 12:56:37 Ege: Use miniApp to attach HW 12:57:06 ... can other packages be used? 12:57:17 QA: other packages can be used for UI 12:57:29 ... for HW limited to miniApp API 12:57:58 Kaz: Device capability description ? Is there a model? 12:58:40 QA: we have data model ... called data profile 12:58:50 present- shane 12:58:51 .. similar to WoT 12:59:05 ... service, actions, events 12:59:07 present+ Shane_Unfred 12:59:16 present- zhoudan 12:59:22 present+ Dan_Zhou 12:59:46 Kaz: We can discuss data-format in future 12:59:50 q? 12:59:55 ack k 13:00:04 q- (explanation found in MiniApp various specs) 13:00:06 ML: Time is running 13:00:15 ... suggest to move the question to next use-case call 13:00:40 q? 13:00:45 QA: I can attend the call 13:00:58 ... questions beforehand would be even better 13:01:19 ML: Okay, please provide questions ahead of time 13:01:25 q? 13:01:26 ack pchampin 13:01:27 pchampin, you wanted to ask how WASM / WASI fit in that picture 13:01:32 ack sebastian 13:01:34 my question was about WebAssembly and WASI. Whether the mini-app group had considered them in their architecture. 13:01:39 q- 13:01:40 ack zkis 13:02:09 SUBTOPIC: NHK 13:03:07 HE: Hiroki Endo from NHK 13:03:39 i|Hiroki|-> https://github.com/w3c/wot/blob/main/PRESENTATIONS/2021-10-online-f2f/2021-10-26-WoT-F2F-UseCases-NHK-Endo.pdf NHK's slides| 13:03:42 ... Objective 13:04:12 present+ Rachel_Yager 13:04:20 ... future broadcaster will deliver content not only for TV sets but also for various IoT devices 13:04:43 ... IoT-based media framework 13:05:08 ... content according different devices 13:05:20 ... and user 13:05:28 ... 2 implementations 13:06:00 ... 1. Physical laboratory 13:06:35 ... space is modeled on the interior of a house 13:07:01 ...