IRC log of smart-cities on 2025-11-12

Timestamps are in UTC.

02:37:11 [RRSAgent]
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02:37:16 [RRSAgent]
logging to https://www.w3.org/2025/11/12-smart-cities-irc
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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04:39:00 [breakout-bot]
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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
04:39:09 [breakout-bot]
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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]
05:13:53 [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
05:14:03 [breakout-bot]
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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
05:44:57 [Bert]
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05:45:33 [Bert]
present+
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05:45:41 [shiestyle]
present+
05:45:49 [Kitahara]
present+
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05:46:26 [mjk]
Topic: agenda review
05:47:36 [toshiakikoike]
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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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RRSAgent, bye
13:36:53 [RRSAgent]
I see no action items