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# System prepended metadata

title: Meeting Minutes of 13 September 2022
tags: [TPAC]

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Meeting Minutes of 13 September 2022
===

###### tags: `TPAC`

:::spoiler Document Usage
This document is used for all minutes of the WoT CG. 
After the meeting, the contents will be copied to the GitHub with a PR.
For one week, changes can be requested and then the PR will be merged.
After the PR is merged, the content can be deleted.

Document Access:
- Everyone has read and commenting access
- Cristiano Aguzzi and Ege Korkan can edit the document
- Other people can request write access for a meeting
- The scribe of the meeting will have write access

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:::

:::info

:date: **Date:** 13 September 2022

### :bust_in_silhouette: Participants

<!-- This list will copied over from the meeting tool -->
- Ege Korkan
- Cristiano Aguzzi
- Alexander Power
- Ben Francis
- Bradley Needham
- Christian Glomb
- Daniel Dersen
- Daniel LaLiberte
- Ding Wei
- Fady Salama
- GeunHyung Kim 
- Herre
- Hiroshi Ota
- Jan Romann
- Jeff Waters
- Kang Seukyoon
- Kaz Ashimura
- Kunihiko Toumura
- Michael_McCool
- Shinjiro_Urata

:writing_hand: **Scribe:** Cristiano Aguzzi

### :scroll: Agenda

- Introduction to the WoT CG
- Explaining the current roles of WG, IG and CG.
- Discussion on how to work together
- Next CG events
- Wrap-up and conclusion

:::


## :book: Minutes


### Logistics

ege: in the minutes we summarize people opinion and make those public
… let us know if you don't want to record your statment
… anybody wants to introduce himself

 
### Introduction Round

bradley: I'm from sony, coming as an observer

jeff: I'm an AC rep DISA, interested in different topics from W3C. Want to learn more

daniel: responsabile for the nordic chapter of w3c. Working on IoT and Smart cities

alicia: interested in working together with the WoT community

thomas: I'm working for bosh, part of WoT WG. We are working on an opensource solution compatibile with WoT 1.0

fady: Tum researcher, working on WoT and its applications on industry

ding: Interested in IoT standards

ben: IE in the WoT WG, founder of WebThings opensource solution. Also chair of Web of Thing protocol CG.

geun-hyung: Interested in the applications of DID in IoT and WoT

ege: thank you all
**...** we have other w3c groups
**...** in particular one IG
**...** and WG
**...** IG outreach and plugfests
**...** WG specification work

### Collaboration with IG and WG

ca: we had a discussion on this topic quite a lot
… the actual discussion will take place in another delverable
… we want to create a community place where everyone can join and exchange information and learn about wot
… we want to use CG for plugfests as well
… we want to reach a setup that looks like the one in slide 8

ege: in the mean time we can start working on topics that we can do hortogonally to the topics of the IG
… we organized an Event

> Ege lists the agenda

kaz: among the topics, I'd like to ask the CG to think about the relationship with IG and WG

ege: it is in CG agenda

kaz: you can organize events but the relationship should be a priority

ege: anybody want to tell us more about what they expect about a CG around the WoT
… we are using the Github repository to keep track of t he issues

cris

> ca: if you have any ideas on what kind of activities we should do, please go ahead

cris: we can develop the CG futher with curated news

bradley: I try to understand the relationship between the different groups
… I got that you would like to give people ideas how to use the WoT
… and teach them

ege: yes

bradley: give people levels of architecture and examples of use cases

ege: I agree
… CG don't write specs but the can write use cases
… our scope is also to give back requirements back to WG

kaz: Bradley made a great point
… gathering expectation is good for the CG scope
… and understand which direction to go

cris: there is also a teaching side in this
… we can write blog post

> kaz: (btw, my main point is clarifying the expectations of the CG participants before diving into the possible solutions directly :)

ege: we can ask people about their expectations
… in a survey

### Feedbacks

mc: co-chair of WoT WG
… working on on polishing our specification documents for the final publication
… next charter topics
… what do you want to cover in the next phase?
… CG can be a place where we can have open discussions
… to join the WG slot you are required to be invited

ege: we got feedback to use DID in WoT

jeff: DISA member, there are many challenges in our environment
… I would like to provide use cases
… if you have a summary about the use cases you can addressing it would be helpful to be up to speed

mc: I can do a brief summary
… we have a good description of network interaction
… we have a gap for geolocation
… onboarding is something that we need to tackle
… smart cities depend on geolocation
… security is also important, especially in isolated networks
… also we would like to explore time series
… no standard way to discover devices that produced a particular set of data

jeff: Digital Twins, what do they mean in this context?

mc: you can have a shadow thing that simulate and manage the connection with the real device

ege: virtual factory
… simulate the production line

mc: automation needs how the device interact with the enviroment
… this also has implications in accessibility
… we will look at standards for DT

jeff: Digital Twins are a big use case in our environment
… mostly for prediction

cris: +1 for an event for Digital Twin only event

daniel: I'm working with IoT and smart cities in Sweden
… how can you achive climate neutrality with tech?
… I belive in the open data field
… w3c is the only one that can do it

ege: smart cities are in our scope
… kaz is organizing an event
… we had small demos
… we are not imposing a standard, and we want to be compatibile with existing standards

daniel: if you take data, everybody is align to DCat.

> kaz Web-based Digital Twins for Smart Cities breakout

kaz: I wanted to hear from you about the expectations from the WoT CG participants, but if Smart Cities and Digital Twins are part of your interested topics, I'd like to mention that I'm organizing a breakup session, see link above

mc: we have wot breakout too, some demos

mc: about DID, we support DID in TDs
… there are some interesting points in Verified Credentials and distributing keys
… that we can study in the next charter

kaz: my suggestion is continuing to gather topics from the CG

mc: climate netruality we didn't adressed it directly but we have use cases for energy managment

[Slides](https://docs.google.com/presentation/d/1jTlSKw7VfIx5J2degldyugGwJFjxPZ_p/edit?usp=sharing&ouid=106655031772979203612&rtpof=true&sd=true)

jeffwaters: Good discussion. Thanks for letting me participate. I'll reach out regarding digital twin and use cases.

ek: Meeting is adjourned
    
## :ballot_box_with_check: Resolutions

None

## :exclamation: Action Items


- Contact TPAC Team for getting a slot in TPAC

## :envelope_with_arrow: Feedbacks

None