2025-07-31 Meeting notes

Date

31 Jul 2025

Goals

Update and sync on the advances.

Discussion items

Item	Who	Notes
Updates	Paul Boyes	Board meeting happening 13 Aug 2025 , road map is needed. Are we targeting the people we want to be part of this? First, current participants should get familiar with this approach (and possibly hands-on). Once we get to a stable state of the repos, we can integrate more people. Stronger alignment with VSS is encouraged. VDM repo? → It is public already.
Charter document draft done	Daniel Alvarez
New template in S2DM website	Daniel Alvarez	https://covesa.github.io/s2dm/
Trailer example in GraphQL	Daniel Alvarez	https://github.com/COVESA/s2dm/tree/main/examples/trailer
Protobuf exporter	Chaitanya Podalakuru	Making progress, update will follow. idea: graphql sdl → protobuf
Other exporters or features needed?	All	Export graphql sdl → some SQL DDL (TBD) Stephen Lawrence See proposal VSS Database Schema Generator
Trailer standard reference models	Ted Guild	Some findings: ISO 1192-2 https://cdn.standards.iteh.ai/samples/79621/fab0f6f336814a098e8d691243f16dcf/ISO-11992-2-2023.pdf (excerpt, not full spec) W3C Transportation Ontology Coordination Committee Mark Fox and Megan Katsumi - ISO SmartCities Kenneth Vaughn ISO ITS Clemens Portele OGC Ted Guild W3C https://www.w3.org/services/meeting-minutes?channel=transportation&num=200 Agreement to coordinate on transportation/geospatial/vehicle ontologies across OpenGeospatial Consortium (OGC), W3C and ISO Intelligent Transportation Systems, started a registry UToronto and OGC does more in the open, most ISO behind paywall and there was intent to open those - some leaked (deliberately) through eg github https://enterpriseintegrationlab.github.io/icity/Vehicle/doc/index-en.html http://citydata.utoronto.ca/index.php/Category:Class EDM Council also met with them and joined some of their calls as part of VSSo coordination and promotion effort https://spec.edmcouncil.org/auto/ontology/VC/VehicleCore/FullTrailer SAE J1939 Digital Annex - Tom Feller (Daimler, NA) joined COVESA Commercial Vehicle call discussion around alternate, logical structuring besides current physical based tree of VSS explained VDM ambitions and learned of schema work, got down into weeds on various topics including broadcast frequency of signals - metadata we need to represent J1939DA specs I have access to internally are older and not current 2025 drafts, meaning we are not in that committee. I am a SAE Member and asked to join Introduced Tom to Daniel Alvarez and want us to explore further with them
Next sessions during summer brake?	All	Daniel Alvarez absent CW 33 and 34 Keep the meeting running, Chaitanya Podalakuru will take over.

Action items

Prepare a broad roadmap (next six months) for S2DM and VDM to be presented to the board 08 Aug 2025 Daniel Alvarez Chaitanya Podalakuru
Review charter document. Chaitanya Podalakuru Paul Boyes 05 Aug 2025
Write generic issue for handling/importing/reusing existing standards. Daniel Alvarez Stephen Lawrence Similar concern document in: https://github.com/COVESA/s2dm/issues/43

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