W3C

- DRAFT -

MBUI teleconference

14 Jun 2013

See also: IRC log

Attendees

Present
Dave, Joelle, Paolo, Jaroslav, Fabio, Davide, Cristina, Nicos, Nick_Kaklanis, davide, UCL, Jean, Carmen
Regrets
Chair
Fabio
Scribe
dsr

Contents


<joelle> it seemsim the only one on the phone line

Jaroslav asks Joelle for an update

Joelle: platform and device for the glossary

Joelle notes that ISTI were due to provide some definitions

Fabio: no many people have registered for the F2F -- currently only 6, is Jaroslav coming?

Jaroslav: I hope too, but am currently trying to get the funding for the trip

<scribe> scribenick: dsr

Davide won't be going to the Munich F2F, but would like to participate via skype if that is possible.

Fabio: please ask Heiko

Cristina: we won't be present in person, but hope to join via skype

Nicos plans to attend. Fabio asks him to add his name to the table on the wiki, see http://www.w3.org/wiki/MBUI_WG_Face_to_Face,_Munich,_2013

Glossary Document

Fabio summarises where we are and notes that ISTI have done their home work.

<UCL> UCL will be there in few seconds. Hello.

He notes that ISTI prefer the term Abstract Task and have defined that. We've also added Composite Abstract Task.

We checked the definition of task and cleaned that up. Likewise for the term Category.

Joelle: I've looked at your definitions and think they are good!

<UCL> We are on the air now

Paolo: I am not completely happy, but ...

Fabio asks if anyone from UCL is attending the Munich F2F.

Vivian: I will attend in person.

Joelle: the next difficult terms are Device and Platform. The meaning is very much dependent on the context.

There are plenty of attributes, e.g. screen size. A device is essentially something with a computer for our purposes.

Jaroslav: the term device is understood even if it is vague.

Joelle: right now a device is defined as a component of a platform. A platform is defined as a composition of hardware and software resources.

Platform is also an overloaded term with a meaning that varies.

Jaroslav: it may be better to focus on how a device is used rather than defining what it is.

Jean: a device is a hardware resource and as such is a component of a platform

It is interesting to refer to the Internet of Things where a device is a piece of hardware.

Paolo: we should be consistent with how device is used at W3C

<UCL> http://www.w3.org/TR/di-gloss/

Joelle notes that a phone has many sensors. You don't interact with a sensor. A screen is an output device that you interact with by viewing the screen.

Jaroslav: a user needs to perceive a device in order to interact with it. A sensor is not perceivable and therefore is not a device

Joelle: if you don't like the current definition, please make a proposal

Paolo: I made a proposal 2 weeks ago (see the comments)
... An apparatus through which a user can perceive and interact with an interactive system.

Jaroslav: projected keyboards show that a device can be virtual

We used to have the term peripheral, but it has gone.

Joelle: no, it is still there

we need a notion of an input and output device

Joelle: I see that the definition of modality has completely changed, okay.

Agree with removing entries for input and output device.

Jean: the use of "physical" is misleading for the definition of peripheral, e.g. consider a projected keyboard

Paolo: okay, we can remove the word "physical"

Fabio: we need to consider the level of abstraction, e.g. the iPhone 5 is a particular kind of device, whereas a smart phone is a class of devices.

Joelle: there are two kinds of platforms, ones which cannot be composed and others which can

Jean: a multi device platform is a widely used term, and hence we should include that

Joelle: I think we need to work on this offline and come back for discussion.

Paolo cites the wikipedia definition

Joelle: a platform is a thing rather than a model of a thing

Paolo: but a platform is a model, that is the point...

Fabio asks Paolo for a proposal in time for next week's call. [he says okay]

Fabio: can we remove some of the terms, it is currently huge

Paolo: I agree

Joelle: browsability should be crossed (i.e. we should retain it)

Jaroslav argues for adding explorability

Joelle: don't think we really need it

Fabio: the point is to reduce the number of terms to a core set

Some discussion about "observability". Jaroslav suggests a simpler definition would be clearer to the target audience

we run out of time for discussions ...

Fabio: we have some more work to do, and can deal with subtle issues when we are face to face.

Until next week's call!

Summary of Action Items

[End of minutes]

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Present: Dave Joelle Paolo Jaroslav Fabio Davide Cristina Nicos Nick_Kaklanis davide UCL Jean Carmen
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