WoT-NGSI-LD

This is a Wiki page for the collaborative discussion between the W3C WoT WG/IG and the ETSI ISG CIM around NGSI-LD.

Resources

https://smartdatamodels.org/

Scribes

Top is most recent.

Kaz
Koster
Martin
Dave
Frederic
Franck
Juanjo

Agenda

August 26, 2025

The calendar entry https://www.w3.org/events/meetings/96a96f78-b311-4dfe-b549-18c7825c38c8/ has been updated to August 26, 2025, to 8am Eastern, as agreed.

Minutes
- July 28, 2025

July 28, 2025

The old meeting series has been updated to end July 7, 2025 to keep the calendar clear. A new calendar entry was created for this specific meeting: https://www.w3.org/events/meetings/96a96f78-b311-4dfe-b549-18c7825c38c8/

Minutes
- June 23, 2025
- July 7, 2025 - no minutes
Logistics
- McCool's status and availability
- Next meeting date and time:
  - Aug 26, 5am Pacific, 8am Eastern
- Confirm liaison info
Testing WoT/NGSI-LD Use Cases
- Plugfest participation
  - Will be held in conjunction with TPAC 2025 in Kobe, Japan, November 9-11; presentations on November 12.
  - Remote participation will be possible
- TPAC 2025:
- Capturing Use Cases
  - https://github.com/w3c/wot-usecases/issues
AOB

July 7, 2025

Discuss concrete WoT plugfest activities. Time may change if necessary to get as many participants as possible. Going forward, will seek to include NGSI-LD/TC DATA/ETSI participants in WoT Plugfest planning meetings.

June 30, 2025

CANCELLED - Conflicts with TC Data Meeting

June 23, 2025

Meeting will be held, but may have to be short (30m).

Main topic: discuss logistics.

Minutes:
- April-28
Logistics
- Meeting series, dates and times
- TC DATA next week, aim for another meeting two weeks from now...
- After that, should join Plugfest org calls
- Update Liaison info
  - Need to update contact info for new group - just need a name and contact information (email, etc). Also official name of the group.
Plugfest

June 2, 2025

CANCELLED - McCool unavailable. In addition, this is due to a new recurring conflict so we will have to find a new time.

May 5-26, 2025

CANCELLED - McCool unavailable.

April 28, 2025

Regrets: Martin

Minutes:
- April-14
- Followup on stakeholders: see https://github.com/w3c/wot-usecases/pull/354
Logistics
- McCool's availability
- Next steps, next meeting
Activities
- Review PRs and Issues
- Tests

April 21, 2025

CANCELLED - Easter Monday.
Now cancelled in W3C Calendar.

April 14, 2025

Minutes:
- March-10
Logistics
Activities
- Review PRs and Issues for Use Cases
  - McCool: Onboarding of Devices
  - Martin: Thing Description for NGSI-LD Entity as Thing Use Case
  - [1] Discuss action semantics
Discuss Deliverables and Charter draft
- Update charter draft
Planning
- Review and comment on new issues
- Tests

April 7, 2025

CANCELLED - McCool unavailable.
Now cancelled in W3C Calendar.

March 31, 2025

CANCELLED - Franck and Martin unavailable.
Now cancelled in W3C Calendar.

March 24, 2025

CANCELLED - Franck and Martin unavailable.
Now cancelled in W3C Calendar.

March 17, 2025

March 10, 2025

Minutes:
- March-03
Logistics
- Now on US DST!
Activities
- Review PRs and Issues for Use Cases
  - McCool: Onboarding of Devices
  - Martin: Thing Description for Thing using NGSI-LD API (Digital Twin Modelling)
  - Tweak use case template
- Other Examples
  - Juanjo: Use of WoT Thing Models
  - Rigo: Collections and Assemblies/Product Passports (specific subset of Data Spaces)
Discuss Deliverables and Charter draft
- Update charter draft
Planning
- Review and comment on new issues
- Tests

March 3, 2025

Minutes:
- February-17
Logistics
- Summer time in US starts on March 9
  - This meeting is scheduled in US Eastern time
  - On March 30, European Summer Time starts
  - In Europe, meeting will seem to start one hour earlier for three weeks, then go back.
- Cancellation on April 7 - McCool unavailable
Activities
- Gathering resources
- Review PRs
Discuss Deliverables and Charter draft
- Update charter draft
Planning
- Next steps: Use Cases
  - McCool: Onboarding of Devices
  - Martin: Digital Twin Modelling
  - Juanjo: Use of WoT Thing Models
  - Rigo: Collections and Assemblies/Product Passports (specific subset of Data Spaces)
  - https://github.com/w3c/wot-ngsi-ld/issues/8
- Review and comment on new issues
- Tests
- Examples

February 24, 2025

CANCELLED

February 17, 2025

Chair: McCool

Minutes:
- February-03
Logistics
- Cancellation on Feb 24
- Discuss weekly cadence
Activities
- Gathering resources
- Discuss WoT Discovery and how it relates to NGSI-LD Broker
- Discuss technical requirements for using TDs as part of an NGSI-LD Context
Discuss Deliverables and Charter draft
- Update charter draft
Planning
- Next steps
- Review and comment on new issues
- Test importing TDs into NGSI-LD broker
- Generate a concrete example of using TM/TDs for Digital Twin modelling

February 10, 2025

CANCELLED

February 3, 2025

Chair: McCool

Minutes:
- January-20
Activities
- Gathering resources
- Review concept slides from Martin
- Review examples use cases
- Plan next steps based on use cases
  - To Do: review WoT Discovery
Discuss Deliverables (defer)
- Update charter draft
Logistics
- Schedule changes, cancellations, etc.
  - Conflict next week
- Discuss meeting frequency
  - Skip next meeting, but keep weekly

January 27, 2025

CANCELLED due to ISG Plenary

January 20, 2025

Chair: McCool

Minutes:
- January-13
Activities
- Gathering resources
- Generate examples/use cases
Discuss Deliverables
Logistics
- Jan 27, 2025 CANCELLED due to ISG Plenary
- Next meeting Feb 3, 2025

January 13, 2025

Chair: McCool

Minutes:
- December-09
Activities
- Gathering resources
  - https://github.com/w3c/wot-ngsi-ld/blob/main/resources.md
- Moving liaison description to wot-ngsi-ld repo to allow PRs to modify it
  - https://github.com/w3c/wot-ngsi-ld/pull/1
- Generate examples/use cases
  - Functional clustering of resources
Logistics
- Next meeting Jan 20, 2025
- Every week until mid-Feb at least.

December 9, 2024

Chair: McCool

Introductions
- Frederic Le (w/ Franck Le Gall), IFLET
Minutes:
- November-11
- F2F Minutes
Charter
- Close without merging: https://github.com/w3c/wot/pull/1209
- Call for comments: https://github.com/w3c/wot/pull/1222
Activities
- Deliverables?
- North-bound vs. South-bound?
- Digital twins and data models?
- Resources and descriptions of activities.
  - Please follow up on repo: https://github.org/w3c/wot-ngsi-ld
  - Use issues to propose activities
  - Make suggestions on new PR for "charter": https://github.com/w3c/wot-ngsi-ld/pull/1
  - Add links to resources
Logistics
- Next meeting Jan 13, 2025
- Every week until mid-Feb at least.

November 25, 2024

Cancelled due to WoT Week
Will be a 30m slot scheduled during the WoT Week F2F Nov 28 or 29 - time TBD

November 11, 2024

Chair: McCool

Scribe: Kaz

Minutes
- October 28
Logistics
- Repo: https://github.com/w3c/wot-ngsi-ld
- Wiki: https://www.w3.org/WoT/IG/wiki/WoT-NGSI-LD
- IRC: https://irc.w3.org/?channels=wot-ngsi-ld
- W3C Liaison page: https://www.w3.org/liaisons/#ETSI (updated with Franck and Patrick as the Liaison contacts)
Next Meeting
- Conflict on Nov 25 with WoT Week
Chairs
- Who chairs the meetings? Do we rotate?
Deliverables and Resources
- https://github.com/w3c/wot/pull/1209
AOB?