W3C

– DRAFT –
WoT-WG/IG

26 March 2025

Attendees

Present
Ege_Korkan, Josh_Thomas, Kaz_Ashimura, Kunihiko_Toumura, Michael_Koster, Michael_McCool, Sebastian_Kaebisch, Tomoaki_Mizushima
Regrets
David_Ezell
Chair
McCool
Scribe
sebastian

Meeting minutes

Guests, IE

McCool: we have no guest today

<McCool> mm: Mahmood Afshari - presentation scheduled for April 9, 2025

McCool: there is a potential IE, Mahmoud Afshari. Will meet April 9th

Minutes

March-12

McCool: we have a policy PR for today

McCool: we should do a resolution about the WoT logo today

McCool: any objection to the minutes?

<no>

Quick items

WoT logo

McCool: we need to decide about the alternative WoT logos

<EgeKorkan> https://lists.w3.org/Archives/Member/member-wot-wg/2025Mar/0005.html

<McCool> proposed: Allow the proposed alternative logos (see Ege's message about the new WoT logo

<McCool> ) as official WoT logos where appropriate.

<sebastian> +1

<McCool> proposed: Allow the proposed alternative logos (see https://lists.w3.org/Archives/Member/member-wot-wg/2025Mar/0001.html) as official WoT logos where appropriate.

<kaz> https://lists.w3.org/Archives/Member/member-wot-wg/2025Mar/0001.html

<McCool> proposed: Allow the proposed alternative logos (see https://lists.w3.org/Archives/Member/member-wot-wg/2025Mar/0001.html) as official WoT logos where appropriate.

McCool: some variations of logos depending what kind of color is used in the background

McCool: any objections?

<no>

Kaz: We check with Coralie about this again?

RESOLUTION: Allow the proposed alternative logos (see https://lists.w3.org/Archives/Member/member-wot-wg/2025Mar/0001.html) as official WoT logos where appropriate.

Ege: she is waiting for our resolution

McCool: DST confusion has begun, however, is changing back again next week.

McCool: any other quick items?

<no>

Notices

McCool: any new notices?

<no>

Meetups

WoT CG

McCool: next meeting take place this Thursday, March 27, 4pm CET

McCool: would be great to have a WoT CG Youtube subscription link

McCool: the topic on Thursday may interesting about the topic Things that acting only as client

McCool: how many people are member of the WoT CG?

Ege: average, 20 people joining the meeting. Best number was around 40

WoT JP CG

McCool: WoT JP CG is currently inactive
… suggest to merge to one CG

McCool: how much time is needed to have a new plan?

Mizushima: expect 2-3 months. First need to reach out to the community and ask what they want

Smart Cities IG

<kaz> Mar-24 Smartt Cities IG minutes

Kaz: there was a call on Monday, March 24
… started to discuss about existing resources and gathering information on the github repo
… MM proposed to prioritize categories

McCool: Smart Cities is a huge area

Kaz: there is a big list of topics that was like 4 pages long, but we should start with digital twin standards as our priority for "Web-based Digital Twins" :)

Kaz: next meeting take place on April 21st

Liaisons

ECHONET

Kaz: no news

Conexxus

<kaz> Ege's notes

McCool: there was a meeting and discussion about security requirements
… a cash registry requires a firewall
… that causes problems when you talk to devices behind a firewall. We discussed different options such as about net traversal

<kaz> McCool's additional comments

Kaz: interesting use case, we should discuss this during the use case call or the D call

Kaz: we should think about how to deal with proposed use cases. We can do this in the UC TF, but we can also to this in the TD call

McCool: propose to discuss this special use case in the next TD call

@@@

Liaisons

OPC UA

McCool: new document almost ready, probably by end of week
... looking to see if WoT members can review
... this document describes what TDs look like when describing OPC UA interfaces, and how to map information from OPC UA node information into TD information model
... basically an OPC UA binding

Ege: note there was another document already published about connectivity (companion standard, how can use WoT TD to *onboard* devices, e.g. southbound)

ETSI ISG CIM

McCool: there was no meeting this week
… next meeting will be April 14th

Schedule

McCool: next week, there is the Hannover fair (HMI)

A

https://www.w3.org/WoT/IG/wiki/Main_WoT_WebConf#Cancellations_and_Schedule_Updates

Ege: there is a TD call today, but not tomorrow

McCool: today is the breakout sessions

Ege: this information came too late

<kaz> Breakouts page

Ege: we will stay with today's TD call

TF Reports

TD

Ege: there is a resolution needed

<kaz> Proposed Resolution for Fixing the TD and TM 1.1 JSON Schemas

Ege: is a simple change
… this fix will align JSON Schema with JSON-LD @context format

<McCool> proposal: Merge w3c/wot-thing-description#2080 in order to update the TD 1.1 errata and JSON Schema validation for TDs and TMs to address an error.

RESOLUTION: Merge w3c/wot-thing-description#2080 in order to update the TD 1.1 errata and JSON Schema validation for TDs and TMs to address an error.

McCool: we will do the Policy resolutions the next time

adjourn

<kaz> wot PR 1227 - Update policy-adoption.md

<kaz> [adjourned]

Summary of resolutions

  1. Allow the proposed alternative logos (see https://lists.w3.org/Archives/Member/member-wot-wg/2025Mar/0001.html) as official WoT logos where appropriate.
  2. Merge w3c/wot-thing-description#2080 in order to update the TD 1.1 errata and JSON Schema validation for TDs and TMs to address an error.
Minutes manually created (not a transcript), formatted by scribe.perl version 244 (Thu Feb 27 01:23:09 2025 UTC).