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02:37:27 <kaz> meeting: Web-based Digital Twins for Smart Cities IG
02:44:16 <kaz> agenda: https://github.com/w3c/tpac2025-breakouts/issues/23
02:44:28 <kaz> slides: https://github.com/w3c/smart-cities/blob/main/slides/20251112-tpac2025/20251112-smartcities-tpac2025-ka.pdf
02:53:05 <kaz> rrsagent, make log public
02:53:09 <kaz> rrsagent, draft minutes
02:53:10 <RRSAgent> I have made the request to generate https://www.w3.org/2025/11/12-smart-cities-minutes.html kaz
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04:39:01 <breakout-bot> breakout-bot has changed the topic to: Breakout: Web-based Digital Twins for Smart Cities - room 404 - 2025-11-12 14:45
04:39:02 <breakout-bot> RRSAgent, do not leave
04:39:02 <breakout-bot> RRSAgent, this meeting spans midnight
04:39:03 <breakout-bot> RRSAgent, make logs public
04:39:04 <breakout-bot> Meeting: Web-based Digital Twins for Smart Cities
04:39:04 <breakout-bot> Chair: Kazuyuki Ashimura
04:39:04 <breakout-bot> Agenda: https://github.com/w3c/tpac2025-breakouts/issues/23
04:39:04 <breakout-bot> Zakim, clear agenda
04:39:04 <Zakim> agenda cleared
04:39:04 <breakout-bot> Zakim, agenda+ Pick a scribe
04:39:06 <Zakim> agendum 1 added
04:39:06 <breakout-bot> Zakim, agenda+ Reminders: code of conduct, health policies, recorded session policy
04:39:06 <Zakim> agendum 2 added
04:39:06 <breakout-bot> Zakim, agenda+ Goal of this session
04:39:07 <Zakim> agendum 3 added
04:39:07 <breakout-bot> Zakim, agenda+ Discussion
04:39:07 <Zakim> agendum 4 added
04:39:07 <breakout-bot> Zakim, agenda+ Next steps / where discussion continues
04:39:08 <Zakim> agendum 5 added
04:39:09 <breakout-bot> Zakim, agenda+ Adjourn / Use IRC command: Zakim, end meeting
04:39:09 <Zakim> agendum 6 added
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04:49:19 <kaz> zakim, agenda
04:49:19 <Zakim> I don't understand 'agenda', kaz
04:49:22 <kaz> zakim, agenda?
04:49:23 <Zakim> I see 6 items remaining on the agenda:
04:49:23 <Zakim> 1. Pick a scribe [from breakout-bot]
04:49:23 <Zakim> 2. Reminders: code of conduct, health policies, recorded session policy [from breakout-bot]
04:49:23 <Zakim> 3. Goal of this session [from breakout-bot]
04:49:23 <Zakim> 4. Discussion [from breakout-bot]
04:49:25 <Zakim> 5. Next steps / where discussion continues [from breakout-bot]
04:49:25 <Zakim> 6. Adjourn / Use IRC command: Zakim, end meeting [from breakout-bot]
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05:13:55 <breakout-bot> RRSAgent, do not leave
05:13:55 <breakout-bot> RRSAgent, this meeting spans midnight
05:13:57 <breakout-bot> RRSAgent, make logs public
05:13:58 <breakout-bot> Meeting: Web-based Digital Twins for Smart Cities
05:13:58 <breakout-bot> Chair: Kazuyuki Ashimura
05:13:58 <breakout-bot> Agenda: https://github.com/w3c/tpac2025-breakouts/issues/23
05:13:58 <breakout-bot> Zakim, clear agenda
05:13:58 <Zakim> agenda cleared
05:13:59 <breakout-bot> Zakim, agenda+ Pick a scribe
05:14:00 <Zakim> agendum 1 added
05:14:00 <breakout-bot> Zakim, agenda+ Reminders: code of conduct, health policies, recorded session policy
05:14:00 <Zakim> agendum 2 added
05:14:00 <breakout-bot> Zakim, agenda+ Goal of this session
05:14:01 <Zakim> agendum 3 added
05:14:01 <breakout-bot> Zakim, agenda+ Discussion
05:14:01 <Zakim> agendum 4 added
05:14:01 <breakout-bot> Zakim, agenda+ Next steps / where discussion continues
05:14:02 <Zakim> agendum 5 added
05:14:03 <breakout-bot> Zakim, agenda+ Adjourn / Use IRC command: Zakim, end meeting
05:14:03 <Zakim> agendum 6 added
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05:42:19 <kaz> agenda+ Review the discussion so far
05:42:28 <kaz> agenda+ Get input from stakeholders
05:42:34 <kaz> agenda+ Discussion on the next steps
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05:44:19 <kaz> scribenick: mjk
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05:45:33 <Bert> present+
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05:45:41 <shiestyle> present+
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05:46:26 <mjk> Topic: agenda review
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05:47:51 <jkamata> present+ Junko Kamata
05:48:06 <mjk> topic: Background and current status
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05:49:21 <mjk> subtopic: review of current relevant industry standards
05:49:41 <mjk> subtopic: review of W3C web platform standards
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05:50:50 <mjk> kaz: W3C Web of Things is technology for interconnection of IoT silos
05:51:25 <mjk> subtopic: Web based Digital Twins
05:52:17 <mjk> Kaz: There is a need for a standardized vocabulary
05:54:02 <mjk> kaz: Today we will get input and status from stakeholders
05:54:22 <mjk> Topic: Stakeholder updates
05:54:35 <mjk> subtopic: SBCO
05:55:54 <mjk> kasuya-san: gives overview of SBCO activities
05:57:04 <mjk> ... SBCO is a consortium of 112 companies,12 founding companies
05:58:05 <kaz> i|review of current|-> https://github.com/w3c/smart-cities/blob/main/slides/20251112-tpac2025/20251112-smartcities-tpac2025-ka.pdf Kaz's slides|
06:00:02 <mjk> ... There is a data model/API sub-group
06:00:15 <mjk> ... questions/comments?
06:00:53 <mjk> subtopic: IEC SC3D
06:01:59 <mjk> Yamashita-san: explains activities of IEC SC3D
06:02:33 <mjk> ... The main work is on a Common Data Dictionaly (CDD)
06:03:03 <mjk> ... The standard will be published in a data based format
06:04:02 <mjk> ... explains Domain Ontologies
06:04:36 <mjk> ... collaboration with other groups and committees
06:05:46 <mjk> ... profile of Joint Working Groups
06:06:19 <mjk> ... call for participation on upcoming activities
06:06:51 <mjk> seb: Is the content available as RDF?
06:07:11 <mjk> Yamashita-san: There is export to RDF
06:07:43 <mjk> subtopic: Echonet
06:08:22 <mjk> kaz: Echonet has been participating in the WoT Plugfest this week
06:10:24 <mjk> echo: The smart home market is fragmented
06:10:46 <mjk> s/echo/pham
06:11:26 <mjk> ... explains Echonet and Echonet-lite API
06:11:51 <kaz> i/The smart home/Dr. Pham gives brief description on ECHONET's smarthome work as part of the faculty from JAIST university
06:12:04 <kaz> rrsagent, draft minutes
06:12:06 <RRSAgent> I have made the request to generate https://www.w3.org/2025/11/12-smart-cities-minutes.html kaz
06:12:45 <kaz> s/ECHONET's smarthome work/WoT Plugfest collaboration/
06:12:45 <mjk> pham: explains Web of Things integration with Echonet-lite API
06:12:47 <kaz> rrsagent, draft minutes
06:12:48 <RRSAgent> I have made the request to generate https://www.w3.org/2025/11/12-smart-cities-minutes.html kaz
06:14:09 <mjk> kaz: what is the focus of WoT collaboration?
06:14:16 <mjk> pham: expanding use cases
06:15:24 <mjk> subtopic: Geonovum
06:16:00 <mjk> bart: explains the local digital twin concept
06:16:03 <kaz> q?
06:16:41 <mjk> s/Geonovum/OGC-Geonovum
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06:17:10 <mjk> bart: demo of a simulation of a cloudburst weather event
06:19:38 <mjk> ... there is an open market concept for implementations of interfaces
06:19:50 <mjk> ... the concept is interoperable digital twins
06:19:55 <mjk> ... questions?
06:20:16 <kaz> q?
06:20:40 <mjk> Topic: next steps
06:20:49 <mjk> kaz: any ideas or comments
06:21:34 <Bert> scribe+
06:22:28 <Bert> mjk: we set out in this group and in the cg=harter to figure out ow to put things together. How to implement digital twins and smart cities interoperable and using web technology.
06:22:53 <Bert> s/ cg=harter / charter
06:23:17 <Bert> kaz: What could be best practices from industry PoV and so on.
06:25:05 <Bert> [@@missed]
06:25:44 <Bert> sebastian: there is a heterogenuous, diverse landscape, which makes it expesnive to make equipment.
06:26:24 <Bert> ... I recommend the WoT to simplify smart city tech. It's a W3C standard.
06:26:52 <Bert> kaz: I talked with DID. They are also interested in a web-based approach.
06:27:03 <Bert> ... Also Verificable Credentials (VC)
06:28:53 <Bert> shoji: TC 268 and subcommittees, ITC side,  and DTC1 joint committees. In March (remote meeting) and later in-person meetings.
06:29:10 <Bert> ... Will merge smart-cities activities into that.
06:29:28 <Bert> s/DTC/JTC/
06:29:37 <Bert> ... Also JTC4.
06:29:53 <Bert> ... There is an ontology group, also meetin gin March.
06:30:19 <Bert> ... Tomorrow evening session also.
06:30:39 <Bert> s/meetin gin/meeting in
06:31:08 <Bert> kaz: About the seminar tomorrow: @@
06:31:18 <kaz> q?
06:31:20 <Bert> ... We need to continue talking with JTC
06:31:27 <toshiakikoike> q
06:31:54 <shiestyle> q+ toshiakikoike
06:31:57 <Bert> @@: In the charter is mentioned also automotive group, but that group is closed.
06:31:57 <shiestyle> ack toshiakikoike
06:32:40 <Bert> kaz: W3C had an automotive WG, but not anymore. But we can stiill think about  coop witjh automotive industry organization
06:33:49 <Bert> johannesW: Automotive would be good indeed. Is there an initiative?
06:34:02 <kaz> q?
06:34:06 <brinkwoman> q+
06:35:00 <shiestyle> s/@@/toshiakikoike/
06:35:20 <Bert> linda_v_d_Brink: Our presentation was mostly about OGC models, about large scale. Other people talk about smart homes and smaller scale.
06:35:42 <Bert> ... OGC has a lot of standards, some them might be more relevant for this work.
06:35:55 <Bert> ... Was our presentation relevant?
06:36:19 <Bert> kaz: We cannot do everything. We need to concentrate on what we can do to improve things.
06:36:55 <Bert> mjk: Genovum pres was useful. We need to look at interaction between techs.
06:37:05 <Bert> ... Look at existing standards and new standards.
06:37:20 <Bert> kaz: Look at what is missing from the web side.
06:37:51 <Bert> mjk: What makes cities interoperable, what is overlap, cross-domain with automotive and smart homes.
06:37:59 <Bert> ... Find informative use cases.
06:38:15 <Bert> ... Not everything, but pieces of applications.
06:38:40 <Bert> ... Cross-domain web applications, interoperable, accessible.
06:38:57 <Bert> ... It is getting broad, but also narrowing down. Funding where web tech is appropriate.
06:39:01 <kaz> q?
06:39:01 <kaz> ack b
06:39:03 <Bert> d/Funding/Finding
06:39:43 <Bert> RRSAgent, make minutes
06:39:45 <RRSAgent> I have made the request to generate https://www.w3.org/2025/11/12-smart-cities-minutes.html Bert
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13:36:53 <tidoust> RRSAgent, bye
13:36:53 <RRSAgent> I see no action items