W3C

WoT-IG/WG

13 January 2021

Attendees

Present
Daniel_Peintner, David_Ezell, Ege_Korkan, Jennifer_Lin, Kaz_Ashimura, Kunihiko_Toumura, Michael_Koster, Michael_Lagally, Michael_McCool, Sebastian_Kaebisch, Takahisa_Suzuki, Tetsushi_Matsuda
Regrets
-
Chair
McCool
Scribe
dape, kaz

Meeting minutes

Agenda

McCool: Agenda bashing

Minutes review, https://www.w3.org/2020/12/16-wot-minutes.html

McCool: Spatial data joint call
… some people gave emails

Kaz: is properly organized

McCool: IETF

Koster: TODO on my side
… working on it

McCool: OPC-UA liaison
… should discuss all liaisons today -> updated agenda

McCool: Comments on minutes?

no objections -> minutes approved

Quick updates

McCool: Joint calls coming up
… Spatial data on the web, next Tuesday
… see https://github.com/w3c/wot/issues/955
… main topics: AR use cases
… proposed agenda in GH issue
… ontology discussions taking place on mailinglist

McCool: APA call, https://github.com/w3c/wot/issues/953
… Jan 27, 9am ET
… re-use PlugFest slot
… please label issues with "accessibility" accordingly

McCool: Microsoft DTDL, open topic
… still need to find proper slot

Lagally: Ought to restart discussions

McCool: Could aim for February

McCool: Publication follow-up

Kaz: created 5 PRs
... Architecture: https://github.com/w3c/wot-architecture/pull/576
... TD: https://github.com/w3c/wot-thing-description/pull/1027
... Discovery: https://github.com/w3c/wot-discovery/pull/108
... Profile: https://github.com/w3c/wot-profile/pull/62
... Scripting API: https://github.com/w3c/wot-scripting-api/pull/288

Kaz: small fixes, should be merged in the each TF call

Virtual F2F Planning

McCool: Talked about Pune but because of Covid we will not have any F2F
… hence will be virtual
… proposal
… Plugfest: March 1-5, 9am (?) ET
… Virtual F2F: March 15-26, 8-11am (?) ET
… Need a doodle to finalize

McCool: Other alignments
… should have solid drafts till then
… in June 2021: F2F and PlugFest
… in PF slot we should talk about possible themes/topics

McCool: Kaz, can you setup Doodles?

Kaz: OK

McCool: should have main call, avoiding others call

McCool: Known conflicts?

-> none heard

Action: kaz to generate doodle for March vF2F

Liaisons

McCool: IETF/ASDF/T2TRG

McCool: calls set already?

Koster: Not sure, Ari just came back

McCool: OPC-UA ?

Sebastian: looked into validation
… using SHACL
… compare with OPC-UA approach
… not sure if the group we are in contact with is the *right* group
… addressing OPC-UA bindings ... joint discussions to follow

McCool: meeting scheduled?

Sebastian: no appointment in my calendar yet
… will check

McCool: ITU-T SG20

Lagally: in 2 weeks we will discuss topic in use-case call

McCool: 26th?

Lagally: Yes

TF Reports

Daniel: validation for *partial* TD like Thing Model, fragment TD, Discovery, ...

Lagally: terminology for partial TD
… need definition..

Daniel: Yes, difficult to draw a line among them.

Daniel: kind of lost about how to define/validate them

Lagally: should discuss it during the Architecture call tomorrow, Jan 14
… you can say our specific partial TD could be validated by JSON Schema
… is that right?

<dape> McCool: propose moving it to acrh call

McCool: we should discuss it during the TD/Arch calls

McCool: Security
… discussed 2 issues
… 1. post from external person, issue #197
… formulated response
… got response, did not have time to look at it
… relates to architecture also

Lagally: does hspaay propose a way to solve the issue?

McCool: mentions that we require all being server
… it is not correct. Explained it. Will try to invite hime to call..

McCool: 2. topic: API key and PSK key missing descriptions
… another issue popped up, ID for Philips hue is in URL
… we do not support this yet
… URI template?
… try to resolve it soon

Ege: Will talk about it in TD call

McCool: Discovery call

Kaz: Skimmed existing issues and PRs
… will talk about resolutions next week

McCool: Marketing

Sebastian: talked about animation video
… final steps
… exchange with Coralie
… waiting for feedback from APA / Josh
… final voice-over is still missing
… quickly talke about new web page (TD content)

Kaz: Asked Josh already
… got response -> will forward that response

McCool: "Getting started" content needs to be improved on web page
… grab examples from Cristiano

McCool: PF/Testing
… defer to PF call
… in 2 weeks we can conflicts

McCool: TD/Bindings

Sebastian: today we will restart work
… e.g. security and Philips Hue

Lagally: Link relation types
… do we plan to explain link relation type

Sebastian: Still lots of work needed
… cannot say whether it is achievable

Lagally: Just initial set?

Sebastian: Do we have an initial list?

<kaz> Discovery minutes item 7

Lagally: Yes, but might need further work

Kaz: Talked about it in discovery call as well
… Farshid is planning to work on proposal, and we'll see what type would fit best based on that proposal.

McCool: need to assemble all requirements popping up in different places

Lagally: We have input from use-cases document as a starting point

Sebastian: TD spec mentions we plan to work on it

McCool: Use-cases

Lagally: Call yesterday
… newcomers from building and AR
… re-factored all uses from architecture
… publish by May?
… draft by March

Lagally: Architecture
… no call this week yet
… tomorrow we will have call (one hour only)
… terminology will be discussed

AOB

McCool: AOB?

Kaz: Perey invited expert status?

McCool: geospatial expert

Kaz: let's talk about it in chairs call

McCool: adjourned

McCool: PF in 9 minutes

Summary of action items

  1. kaz to generate doodle for March vF2F
Minutes manually created (not a transcript), formatted by scribe.perl version 127 (Wed Dec 30 17:39:58 2020 UTC).