W3C home > Mailing lists > Public > public-credentials@w3.org > March 2016

Re: Drafty VCTF Use Cases

From: Timothy Holborn <timothy.holborn@gmail.com>
Date: Tue, 08 Mar 2016 15:23:58 +0000
Message-ID: <CAM1Sok2m5vENRNi23AN7Wr8mPUugxR62VNxT=-FKKwiwM9h4zw@mail.gmail.com>
To: Shane McCarron <shane@halindrome.com>
Cc: Credentials Community Group <public-credentials@w3.org>, "public-webpayments-ig@w3.org" <public-webpayments-ig@w3.org>
'Late year' = last year + bot inference.

Would be good if we had two seperate creds for that usecase too...

On Wed, 9 Mar 2016 at 2:21 AM, Timothy Holborn <timothy.holborn@gmail.com>
wrote:

> 2:18am so, not the best time...
>
> These were developed mid late year. I can develop more if you like, yet
> the purpose of these ingredient lists, if you like, is to show the array of
> use-cases and how the combined 'package' of creds, which may have an array
> of different views or perspectives from / by different actors, inter-relate
> through the use of linked-data, bonding otherwise inter-connected, but not
> siloed, groups of instances together as to form a coherent set of effects
> otherwise not considered achievable.
>
>
> Mind, as noted. If we're going to build a global silo, then I think that's
> worth noting now.
>
> Timh.
>
> On Wed, 9 Mar 2016 at 2:16 AM, Shane McCarron <shane@halindrome.com>
> wrote:
>
>> Thanks for your detailed use cases.  I will review them carefully.  As to
>> your comment about credentials not being obvious in the scenarios...  I
>> will take a spin through, but I feel like we were very careful to show in
>> each scenario where a verifiable claim / credential would be used.
>>
>> On Mon, Mar 7, 2016 at 11:20 PM, Timothy Holborn <
>> timothy.holborn@gmail.com> wrote:
>>
>>> Here's a bunch of old sophisticated use-cases i prepared earlier ;)
>>>
>>> I haven't noted the use of credentials throughout the user-stories, yet
>>> they should be able to be discovered / addressed by the trained eye.
>>>
>>> ____________________________________________________________________
>>>
>>>
>>> USECASE: Watching a Cooking Show
>>> Person searches for the particular meal they want to make that night for
>>> a dinner party. They search for ‘slow-cooked lamb shoulder’, and find a
>>> jamie oliver episode provided by a commercial FTA provider.
>>>
>>> They’ve got a list of the food they’ve purchased recently from their
>>> digital receipt information. The program has a TVC that outlines the
>>> end-product created by the food, and it's decided - time to go shopping.
>>>
>>> A button is pressed, and the information about ingredients is selected.
>>> The application has a field that asks who’s coming for dinner - the user
>>> selects the people coming for dinner, and their dietary requirements are
>>> checked for allergies and any food preferences (ie: don’t like mushrooms,
>>> kosha food only, etc.).
>>>
>>> The app calculates portion sizes based upon the number of people who
>>> will be eating, and the shopping list is almost ready. They’re able to tick
>>> off the food that’s already in the kitchen, then add the remaining
>>> ingredients.
>>>
>>> A file is created on the user's data-space that includes information
>>> about the application they used to create the meal, and a credential
>>> relating to the agent who supplied that application and on behalf of whom.
>>>
>>> OPTION 1
>>> jamie and his distribution partners have a deal with a particular
>>> shopping network, so if it’s kosha, that’s ok, but otherwise there’s
>>> preferences about where to get it
>>>
>>> Jamie also has another deal, that’s not as good, with other outlets.
>>>
>>> ie: The user opens their ‘supermarket app’, and makes the selection. the
>>> app also thinks the milk has gone off, and the user can select other things
>>> they need which may have been collated over time (ie: toilet paper low, ran
>>> out of dish-washing detergent, etc.) They can get the ingredients delivered
>>> or go shopping.
>>>
>>> OPTION 2
>>> The recipe is Jamie's Intellectual property. He cares about his food.
>>> When the user goes to a store that offer digital receipt functionality to
>>> data-spaces, if that purchase relates specifically to the production of the
>>> meal, fulfilment of ingredients to make it, the shop has in their system an
>>> attribution method that allows a percentage of valid food products to goto
>>> jamie.
>>>
>>> Ingredients have been purchased and the user can watch the TV or flick
>>> through the cooking guide whilst preparing the dish. This can happen on
>>> their device, on their tv, with both, etc.
>>>
>>> The ‘interactive content package’ enables this entire experience to be
>>> programmed, packaged and distributed globally. differentiators between
>>> markets / regions, can be managed by agents, distributors and local
>>> partners without needing to change the format of the content package.
>>>
>>> USE CASE: Buying a Motor Vehicle
>>>
>>> Joe wants to purchase a new vehicle. He really wants a 2004 XC90,
>>> thinking that it suits his needs and represents good value. He wants to
>>> watch a review, searches for one - finds an old TVC made in britain, made
>>> available locally through the a local program that’s been syndicated by a
>>> commercial broadcaster who has purchased the media as part of their
>>> on-demand offerings.
>>>
>>> The presentation page has a presales button, which the user selects on
>>> his phone. He can see how many were sold in the market, average cost of
>>> insurance, average KM’s, average price based on condition and how many are
>>> available for sale. He watches the video and plans to go have a look at a
>>> few.
>>>
>>> He finds a dealer who is offering a vehicle he likes and speaks to their
>>> sales agent Frank. Joe asks the Frank to Take the Vehicle for a Test-Drive.
>>>
>>> Frank would like to know whether Joe has the capacity to purchase the
>>> vehicle or whether, Joe's simply interested in going for a test-drive with
>>> no-capacity to make a transaction. Frank has a family and it's important he
>>> spends his time on sales opportunities. Frank does not have alot of time to
>>> waste on 'tyre kickers'.
>>>
>>> Joe has a look at the information about the car on his phone that his
>>> obtained when he found the vehicle.
>>>
>>> The car has been in the lot for too long, and Frank thinks this is a
>>> ‘hot lead’ but wants to qualify the opportunity. He asks to share some more
>>> details and if the information provided stacks up, then joe should borrow
>>> the car.
>>>
>>> Joe presses a button on his phone, and Frank gets a 'green light'
>>> indicator that shows that joe has a license and has the financial capacity
>>> to purchase the car.
>>>
>>> -- > Whilst it is none of Franks business; Joe has a linked-credential
>>> that denotes the intention of his parents to purchase a vehicle for him to
>>> a particular value, which in-turn contributed towards getting the 'green
>>> light' he needed, before going to find a car he likes.
>>>
>>> Frank is happy to provide Joe access to the car, to take for a
>>> test-drive. Frank and Joe issues credentials for the purpose of the
>>> test-drive, that support insuring the Joe in case he has an accident;
>>> whilst also supporting Frank, in case Joe doesn't come back with the car.
>>>
>>> Joe takes the car for a test-drive and notices that there are some
>>> mechanical issues with the car. He enters the information in his record
>>> that relates to the vehicle, and the application on his phone provides an
>>> estimation of the cost to fix the problem in addition to any information
>>> about whether by law, Frank needs to fix that problem before he sells it to
>>> Joe.
>>>
>>> Joe Returns. Frank and Joe talk about the price, which results in Frank
>>> finishing the sales-opportunity by issuing Joe an Offer that is attached to
>>> the record stored in relation to his phone application. Joe informs frank
>>> he'll be back, frank limits the offer to a few days hoping to close a deal
>>> before the time his commissions need to be finalized for the month; Joe
>>> goes to have a look at other vehicles.
>>>
>>> If the sale goes through, then the lead was generated by the program on
>>> TV and the experience provided by that program. It is possible that they’re
>>> then able to ‘clip the ticket’, which may result in an improvement around
>>> their advertising on TV, a direct cash-payment, or other means.
>>>
>>> USE CASE: Community Media, Education, and Content Syndication.
>>>
>>> Within an indigenous ‘outback’ community, the local radio station has
>>> set-up their hypermedia capability. Their website offers an array of local
>>> media, that is available for syndication with local community TV providers
>>> and other news-outlets. Their system works by taking a percentage of the
>>> revenue attributed to the content they curate with local community members.
>>>
>>> They've got a shed they've turned into a historical society, storing
>>> valued historical artefacts that are important to their community. People
>>> in the community have memories of life, and stories that relate to those
>>> artefacts.
>>>
>>> The radio station provides the opportunity members of the community to
>>> produce a content package about the heritage artifacts. They work with
>>> elders in the community, producing some video where elders tell their
>>> stories with historical context. They create a 3d scan of the object, and
>>> also write both some information about it that is collated into their
>>> heritage collection, in addition to some articles that are used for their
>>> local radio broadcast and their local news website.
>>>
>>> Some of those materials become syndicated for by other broadcasters
>>> nationally.
>>>
>>> Advertising and syndication revenue provides a percentage of revenue
>>> back to the creators of the work, and the local radio station who helped
>>> produce it, ensuring it was suitable and accurate.
>>>
>>> The people who contributed to it, are provided credentialing information
>>> that also shows they've learnt the skills involved in undertaking the task.
>>> This contributes to their employment and educational / skills records.
>>>
>>> People involved with running the station and their online environments
>>> accumulate information about their activities. This information can be used
>>> by local businesses to assess whether they can find the local talent needed
>>> to help them with their business. The business wants to produce some
>>> advertising materials. They've managed to find the skills locally, and the
>>> local radio station is able to syndicate the media for use across the
>>> network, helping the business target their advertising and ensure it is
>>> ‘ready for TV’...
>>>
>>> NOTES
>>> In this use-case, the practice of community media provides both the
>>> capacity to identify and process local media, as well as supporting
>>> community development and community engagement. NANODEGREES[6]:
>>> Nano-degrees are emerging in the marketplace as a means to provide
>>> 'qualification' for particular skills that may be constituents of broader
>>> formal qualifications. These systems store ‘metadata’ about the user in the
>>> users account. As such, these systems in-turn provide the means for users
>>> to understand and communicate their skills, talents and interests using
>>> data, that improves the means in which they may find employment.
>>>
>>> Tim.H.
>>>
>>>
>>> On Tue, 8 Mar 2016 at 10:17 Shane McCarron <shane@spec-ops.io> wrote:
>>>
>>>> I assume there is a VCTF meeting tomorrow.  My action was to update the
>>>> use cases document into the new IG VCTF space in preparation for a tight
>>>> coupling between it and the draft verifiable claims charter. The charter
>>>> has not yet made it into this space - I know that Manu has been moving
>>>> house AND been ill, so I imagine he is just a tad behind.  But the draft
>>>> use-cases are up at http://w3c.github.io/webpayments-ig/VCTF/use-cases/
>>>>
>>>> Please have a look in anticipation of discussing these tomorrow and
>>>> over the coming week.
>>>>
>>>> Caveat: I did this work with little consultation from my fellow
>>>> editors.  That's completely my fault, and they all have my permission to
>>>> publicly berate me for it.   Or better yet, make edits or submit pull
>>>> requests.
>>>>
>>>> P.S. There has been a lot of discussion of additional use cases on the
>>>> community group mailing list.  I love those discussions - let's keep them
>>>> going!  This document is necessarily limited as the subset that will
>>>> support the initial work we want to do as a working group AND designed to
>>>> not overwhelm the reader.  So if you don't see your favorite scenario or
>>>> requirement, it will be in the supporting "extended use cases" document in
>>>> CG space.  If you feel strongly that it should be exposed in this limited
>>>> space, or that tweaking one scenario will get it covered now, please let me
>>>> know!
>>>>
>>>> --
>>>> Shane McCarron
>>>> Projects Manager, Spec-Ops
>>>>
>>>
>>
>>
>> --
>> -Shane
>>
>
Received on Tuesday, 8 March 2016 15:24:37 UTC

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