W3C

WoT-IG/WG

04 August 2021

Attendees

Present
Chinn_Hwa_Lim, Cristiano_Aguzzi, Daniel_Peintner, Ege_Korkan, Kaz_Ashimura, Kunihiko_Toumura, Sebastian_Kaebisch, Tetsushi_Matsuda, Tomoaki_Mizushima
Regrets
McCool
Chair
Sebastian
Scribe
cris

Meeting minutes

Minutes

<kaz> July-28

Sebastian: we discussed meeting schedules and announcements of workshops
… tpac
… changes in the IG charter
… status of W3C smart cities workshop
… publication planning, keep our eyes on the deadline
… as usual TF reports
… any comments about the minutes?
… minutes approved

Quick updates

Meeting cancellations

<kaz> Cancellations

Sebastian: please refer to the wiki about meeting cancellations
… they are valid only for August
… there's some exceptions like Scripting API and Use Case
… this call and the TD call
… TD call will also happen next week
… mostly about binding topics
… after 30 August we'll start again with the regular schedule
… any comments?

DIoT Workshop

Sebastian: Discovery IoT workshop is calling for papers
… deadline is the first of September
… please share on your social media

Cristiano: thank you for mentioning it
… there was a tweet proposal, is it live?

Sebastian: it seems not

Ege: it should be on mccool

<sebastian> At the International Workshop on the Discovery on the Internet of Things (https://bit.ly/DIoTWS) on Nov 8-12, Michael McCool will be giving a keynote on the WoT Discovery process and API.

<dape> McCool's last comments

Sebastian: it would be better to have a tweet specifically about the call for paper

Cristiano: it would be even better

Daniel: the tweet below is supposed to be extended

Sebastian: yes but it focused on the keynote rather than the conference itself or cfp

Ege: if we do two tweets it might be problematic to ping in the top feed in the website
… I suggest to merge them in one

Sebastian: I little bit too long

Ege: anyhow I'll send it in the mailing list asap

TPAC

Sebastian: we have already a wiki for that

<sebastian> https://doodle.com/poll/c48w8m4naxfnzw5n

Sebastian: please submit your preference for the Test fest in the doodle pool above
… once we have it we can plan other meetings
… currently there's just a copied content from the previous TPAC
… we should focus on meeting about open topics critical to our purposes
… like with the json-ld group
… about the TD round-tripping

Kaz: given the deadline is September 10, please put your preference as soon as possible
… then I'll create another one to pick the actual time

Sebastian: by September 8 we'll have our final decision

IG Charter

Sebastian: it is important since it is expiring
… mccool did small updates
… I am asking the round to merge it
… he added sustainability topic

Sebastian: no templates already addressed in the current charter
… new security topics

Sebastian: and implementation guides, very important to increase technology adherence
… we already agreed on this PR
… any objections?

Kaz: The diagram image is a little bit too big, I'll try to fix it
… other comments?

<sebastian> proposal: group agrees on the new draft of the IG charter which will be submitted to the W3M

Resolution: group agrees on the new draft of the IG charter which will be submitted to the W3M https://w3c.github.io/wot/charters/wot-ig-2021-proposed.html

Kaz: please just note before bring up to the W3M we have to finish the process on Github

<kaz> strategy funnel issue 274

WG charter

Sebastian: it should be renewed too
… do we need TD 2.0 or Discovery 1.1?
… there's an issue open for proposals / ideas

New tweet for DIoT Workshop

<sebastian> At the International Workshop on the Discovery on the Internet of Things (https://bit.ly/DIoTWS) on Nov 8-12, Michael McCool will be giving a keynote on the WoT Discovery process and API. The Call for Papers is also online with a deadline of 01.09.2021. @DIoT82564518 #IoT

<sebastian> +1

Daniel: just a small comment about the date, is it right?

<sebastian> Sep 1, 2021

Cristiano: can you use also the hashtag above?

Ege: it seems that it fits

<Ege> At the International Workshop on the Discovery on the Internet of Things (https://bit.ly/DIoTWS) on Nov 8-12, Michael McCool will be giving a keynote on the WoT Discovery process and API. The Call for Papers is also online with a deadline of Sep 1. @DIoT82564518 #IoT #DIoT2021

Sebastian: is it ok to publish this tweet?

<sebastian> any objections?

<sebastian> no

Sebastian: approved

Ege: published

<Ege> https://twitter.com/W3C_WoT/status/1422899943212265481

Smart City Workshop

Sebastian: official report to be published

Kaz: I actually updated the report based on the feedback that I recieved
… it is ready to be published

<Ege> by the way, I think that https://twitter.com/lmy441900 has a bot liking and retweeting every tweet of us :D

Sebastian: how is the process for the chair selection?

Kaz: I'll send the request to workshop committee
… it is quite an hard role

Testing before CR transition

Sebastian: no updates, I just know that mccool is working on this

Ege: form what I remember he updated the tool chain to use the playground outputs
… we added new assertion tests
… also we are waiting for the TD spec to be frozen

Sebastian: ok let's wait then

Publication planning

Sebastian: we should define the milestones for the extensions
… please use the calculator tool to obtain the different dates for transitions

Liaisons

ITU-T

Sebastian: any news from ITU-T?

Kaz: after the vacation season we can continue the discussion about possible collaboration for plugfests and testing
… still ongoing

ECHONET

Sebastian: echonet?

Kaz: we received the use case proposal.
… we can continue to review it

ISO TC 184/SC4

Sebastian: ISO TC184/SC4

Kaz: ongoing

Sebastian: related to ECLASS

ECLASS

Sebastian: eclass have submitted an use case
… se below

<sebastian> https://github.com/w3c/wot-usecases/pull/140

Sebastian: interesting because is a retail use case

Ege: are they using sematic just by referencing a document?
… is not the first time I am seeing this
… do we need to introduce such mechanism

Sebastian: is not really a document
… is the real vocabulary term
… they will the RDF document

Cristiano: I've seen this in the json schema core spec

Sebastian: maybe we can bring this up again with Christian
… only 5 minutes left

OPC UA

Sebastian: OPC UA we had a guest from OPC UA
… but we'll continue the discussion after the vacations

IG Charter - revisited

<kaz> draft IG Charter

Kaz: updated the picture size for the draft IG Charter

TF Reports

Scripting

Daniel: we'll have a meeting next week
… an issue that keep us busy is if the writeproperty should return a value
… it touches also other TF
… I suggest to move the discussion on TD

Security/Discovery

Sebastian: no security call
… no discovery call

Marketing

Sebastian: marketing cancelled

Use cases

Ege: we had two presentations, one from connexus and another from echonet.
… connexus presentation was a recap of 2021
… there will be a followup where they are going present concrete use-cases based on end users stories
… then echonet
… how well can we present a set of affordances from different things?
… how to represent this with a TD
… we need to work on if we want full compatibility
… not sure when the discussion will continue

Kaz: the conclusion was to merge the PR and continue further discussion based on that

Thing Description

Sebastian: small typo fixes
… topics regarding actions and async actions
… how to query action state
… finding a way to initialize the connection
… form is mandatory and is problematic
… we decided to make it optional for ws
… it could led to backward compatibility problems
… but it would be nice to solve
… we'll continue the discussion today

Architecture

Sebastian: I joined late
… async actions

Kaz: yes
… and events
… and which version of SSE should we use

Cristiano: Ben proposed a new process for approval of PRs
… did you have the chance to review it?

Kaz: we need more participants to decide such thing

Sebastian: yeah, I'll put it on the backlog

<kaz> [adjourned]

Summary of resolutions

  1. group agrees on the new draft of the IG charter which will be submitted to the W3M https://w3c.github.io/wot/charters/wot-ig-2021-proposed.html
Minutes manually created (not a transcript), formatted by scribe.perl version 136 (Thu May 27 13:50:24 2021 UTC).