[WoT+NGSI-LD] minutes - 26 August 2025

available at:
  https://www.w3.org/2025/08/26-wot-ngsi-ld-minutes.html


also as text below.

Thanks a lot for taking notes, Juanjo!

Kazuyuki

---
   [1]W3C

      [1] https://www.w3.org/


                             – DRAFT –
                            WoT and NGSI-LD

26 August 2025

   [2]Agenda. [3]IRC log.

      [2] https://www.w3.org/WoT/IG/wiki/WoT-NGSI-LD#August_26,_2025

      [3] https://www.w3.org/2025/08/26-wot-ngsi-ld-irc


Attendees

   Present
          Franck_LE_GALL, Juanjo_Hierro, Kaz_Ashimura,
          Ken_Zangelin, Martin_Bauer, Michael_McCool, Rigo_Wenning

   Regrets
          Dave_Raggett, Sebastian_Kaebisch, Michael_Koster

   Chair
          -

   Scribe
          kaz, jhierro, rigo, McCool

Contents

    1. [4]Logistics
    2. [5]Minutes
    3. [6]Next Steps
         1. [7]TPAC 2025 Plugfest
         2. [8]Other possible options
         3. [9]Purpose of the NGSI-LD liaison and Smart Cities IG
            as an option
    4. [10]Summary of action items

Meeting minutes

  Logistics

   McCool: would like to talk about the next steps
   … as we discussed last time, Plugfest is a possibility
   … also use cases
   … your group could give input to the WoT use cases discussion

  Minutes

   [11]July-28

     [11] https://www.w3.org/2025/07/28-wot-ngsi-ld-minutes.html


   minutes of last meeting to be reviewed

   August 31st, Michael McCool leaves Intel and also participation
   in WoT

   Michael Koster, as captured in last meeting minutes, will take
   over

   Discussing now about plugfest in November

   Joining remotely would require paying some participation fee
   but should be cheap

   Minutes of last meeting approved

  Next Steps

    TPAC 2025

   <kaz> [12]TPAC 2025 venue

     [12] https://www.w3.org/2025/11/TPAC/venue.html


   <kaz> [13]TPAC 2025 schedule

     [13] https://www.w3.org/2025/11/TPAC/schedule.html


   <kaz> [14]TPAC 2025 registration

     [14] https://www.w3.org/2025/11/TPAC/registration.html


    Other possible options

   other option is to continue meeting series
   … Sebastian can only join once a month, not once a week

   other option is F2F meetings. Easiest place in Munich

   meeting options include Munich, Sophia Antipolis, Berlin
   … seen a lot of discussion by various manufacturers. There are
   gaps about reasoning on this information, not only what the
   devices do
   … more engagement about industrial application is WoT. While
   higher level modeling would go rather SC IG

   It has to be checked whether Repo ownership and so are
   resources where Michael Koster has right privileges on

   Discussion about original goals of the liason

   Rigo and Juanjo remind goal was to avoid fragmentations and try
   to come with a unique solution combining the best of WoT and
   NGSI-LD results

    Purpose of the NGSI-LD liaison and Smart Cities IG as an option

   Purpose of liaison?

   *** Capture opportunities for standards for digital twins...

   *** Explore aligning the visions of NSGI-LD and WoT...

   *** Avoid fragmentation...

   *** Avoid unnecessary transformation,

   *** Capture ambient semantics

   *** Understand both without a large burden

   *** Not sufficient that it's useful, needs to be carried by
   institutions

   Kaz: reminds of the W3C Smart Cities Workshop and the Web-based
   Digital Twins for Smart Cities Interest Group. had discussion
   about possible Web-based framework and ontologies for smart
   city purposes
   … with JTC1 guys, etc.
   … I'd suggest you bring your pain points, best practices and
   ideas to that group
   … if you're still interested PoC implementations, you could
   join the WoT Plugfest during TPAC as well
   … note that I'm not suggesting we move this discussion to ISO.
   actually, NGSI-LD by ETSI/FIWAARE is already one of the liaison
   targets for the Smart Cities IG. ISO, IEC, JTC1, etc., are also
   part of its liaison targets.

   McCool: we are mostly talking bottom up, but also large scale
   top down, in smart cities information modelling. But this group
   is mostly on industrial modelling
   … NGSI_LD was interesting because of the FIWARE connection.
   This gives you more access

   Juanjo: FIWARE community perspective is also to work for other
   domains. Question about introducing actions is also cross
   domain
   … it is also an important industry

   McCool: to engage with WoT, driven by Siemens, is really going
   into industrial space.

   McCool mentions that continuing discussion within W3C Smart
   Cities Interest Group would be nice but one issue is that some
   of the relevant people within WoT to engage are more focused in
   industry (factories, etc) matter

   Juanjo: who is active in SC IG and at the same time in the WoT?

   Kaz: Michael Koster is the chair of the Smart cities IG (SC IG)
   … the group is a liaison center for digital twins and smart
   cities within W3C

   McCool: reaching out to groups that do AI. Lot of technical
   activities. Big interest in knowledge graphs for reasoning on
   conformance and security
   … device, wanna talk to it and that's it. If digital twins goes
   way beyond the scope of WoT. Have discussions happening in a
   group that is more higher level

   Juanjo: we may imagine that the IG could be extended beyond
   smart cities

   McCool: focus, digital twins, wanted to narrow the focus to
   avoid boiling the ocean. Was done deliberately to narrow
   attention. But people need to consider discussing issues across
   domains.

   Kaz: group holds monthly meetings, next meeting will be subject
   to doodle poll.

   ACTION: Kaz will send doodle poll for SC IG to this Group as
   well

   McCool: suggested to pre-advertise this topic of wot & ngsi-ld
   to the IG

   Juanjo: we have worked in support of actions in NGSI-LD, make
   it compatible. Were ready to present some of the results. We
   are making good progress on that front.
   … maybe we can bring that progress to SC IG

   McCool: where is the right venue for that discussion
   … feedback for design, drill down use cases. Would good to warn
   SC IG to get good feedback
   … in general, the other topics, should be rather a seminar with
   a focus on one topic, not just an open Workshop

   Kaz: what the SC IG has been doing is inviting the related SDO
   people and ask them about pain points, and discuss what Web
   standards could do for them.

   McCool: not having regular meetings like this, but concentrated
   seminars with a fixed roadmap

   McCool: next meeting should be organized by M.Koster. Kaz
   should inform him
   … invite people here to SC IG for them to see if it makes
   sense.

   Kaz: SC IG will publish Agenda in advance. We can invite you
   any time

   McCool: question: should we merge ngsi-ld mailing list into
   other things. Probably good idea to cross things

   Kaz: we don't need to do so. I can simply invite the NGSI-LD
   guys to the SC IG. I'll talk with Koster as the Chair of the SC
   IG about that.

   [adjourned]

Summary of action items

    1. [15]Kaz will send doodle poll for SC IG to this Group as
       well


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Received on Tuesday, 26 August 2025 13:54:07 UTC