Re: Cost

So,
If CourseOffer is an rdfs:subClassOf [CreativeWork, Offer],
*if the application expands CourseOffer to e.g. [CreativeWork, Offer]*
then the record may surface in
queries including any of rdfs:Class set {CreativeWork, Offer, CourseOffer}.

On Wed, Feb 10, 2016 at 3:03 PM, Wes Turner <wes.turner@gmail.com> wrote:

>
>
> On Wed, Feb 10, 2016 at 9:19 AM, Phil Barker <phil.barker@hw.ac.uk> wrote:
>
>> Hello Alan,
>> yes, you're absolutely right that cost can be very difficult. At the same
>> time we don't want an incredibly complex mechanism for saying that
>> something is FREE (e.g. MOOCs, which I hope are going to be a big target
>> application) or has a relatively simple cost structure (many other examples)
>>
>> Schema's way of setting variable prices is to model these as distinct
>> instances of a http://schema.org/Offer with different values of
>> http://schema.org/eligibleCustomerType
>>
>> I suppose that a price of "it depends" or "POA" is also an option.
>>
>
> Really an Enumerated attribute for type of course and o would be most
> helpful for a faceted search.
>
> http://schema.org/Offer
>
> + eligibleDuration
> + inventoryLevel
> + price
> + priceCurrency
> + priceSpecification
> + priceValidUntil
> + seller <Person, Organization> Supersedes +merchant, +vendor
>
>
>>
>> Phil
>>
>>
>> On 10/02/2016 14:00, Alan Paull wrote:
>>
>>>
>>> I’ve duplicated the current (10 Feb) use case for refining course search
>>> by cost below for convenience.
>>>
>>> We have a <cost> element in XCRI-CAP, defined as “the cost for obtaining
>>> access to the presentation”.  It’s part of the XCRI-CAP <presentation>
>>> element, which is equivalent to what’s already being mentioned here as
>>> “specific instance of a course being offered” (Learning Opportunity
>>> Instance in the European MLO model).
>>>
>>> As part of our work on XCRI-CAP we investigated how to model ‘cost’ in
>>> relation to UK HE.  Our conclusion was that it was a very fraught area.
>>> Most issues were to do with costs varying in relation not only to the mode
>>> of study and location of study, but also to the specific (detailed)
>>> circumstances of the individual.  Particular difficulties were raised
>>> because an individual might be offered a very different price (or free of
>>> charge) dependent on where they were living (UK / specific country in the
>>> UK / EU / EEA / RoW), or their own circumstances (dependents / no
>>> dependents / employed / unemployed / etc), and whether they had access to
>>> scholarships and bursaries.  Also VAT / No VAT (for EU).  The upshot was
>>> that the <cost> element in XCRI-CAP is unstructured.  No-one supported the
>>> idea of putting just a numerical or currency value in there, because
>>> context was vital.  Current web page entries from UK Universities are very
>>> varied in content and structure.
>>>
>>> For these reasons I suggest we modify requirement c) to:
>>>
>>> “must be able to identify text that describes the costs associated with
>>> studying a specific instance of a course.”
>>>
>>> This (I hope) doesn’t suggest a requirement for definitive values in
>>> relation to what a specific individual might have to pay. So it would be
>>> possible to have an entry like: “2015-16 fee for UK students was £10,500.
>>> Fee for 2016-17 academic year not yet determined.”
>>>
>>> I would miss out the requirement of cost by mode of study.  Where
>>> they’re available, they could be included.  Where not available, I suggest
>>> we don’t put off usage by narrowing the requirement.
>>>
>>> For more on XCRI-CAP: http://www.xcri.co.uk (redirects)
>>>
>>> use case 1.1 refining course search from UC1 by cost
>>>
>>> description: an extension to use case 1, where the searcher is concerned
>>> about the cost of the course.
>>>
>>> note: where a course is offered in different modes of study, e.g. full
>>> time or part-time, face-to-face or at distance, the cost may vary by mode
>>>
>>> requirement p) must be able to identify web pages that describe specific
>>> instances of a course being offered
>>>
>>> requirement c) must be able to identify cost of course in each mode of
>>> study offered.
>>>
>>> Alan Paull
>>>
>>> --
>>>
>>> Alan Paull
>>>
>>> APS Ltd
>>>
>>> 80 Fenton Road, Warboys, HUNTINGDON, PE28 2SL, UK
>>>
>>> alan@alanpaull.co.uk <mailto:alan@alanpaull.co.uk>
>>>
>>> 07977 120886
>>>
>>> Skype: alanepaull
>>>
>>> http://www.alanpaull.co.uk
>>>
>>>
>> --
>> Phil Barker           @philbarker
>> LRMI, Cetis, ICBL     http://people.pjjk.net/phil
>> Heriot-Watt University
>>
>> Workflow: http://www.icbl.hw.ac.uk/~philb/workflow/
>>
>>
>>
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>