- From: Stuart Sutton <stuartasutton@gmail.com>
- Date: Mon, 19 Feb 2018 04:58:50 -0800
- To: Phil Barker <phil.barker@pjjk.co.uk>
- Cc: public-eocred-schema@w3.org
- Message-ID: <CACetQ6EVu8MxQqoFqMWZeR0hSE_PXGhY8vKrLg1NDs84=wE0RA@mail.gmail.com>
+1 to definition and to keeping DefinedTerm in range. On Mon, Feb 19, 2018 at 3:02 AM, Phil Barker <phil.barker@pjjk.co.uk> wrote: > OK. Does anyone object if I keep DefinedTerm in the expectedRange? (For > that matter, does anyone object to dropping it?). Taking a bit of the > Dublin Core definition, how about: > > *Name*: educationalLevel > > *Definition*: The level in terms of progression through a learning, > educational or training context. Examples of educational levels include > 'beginner', 'intermediate' or 'advanced', and formal sets of level > indicators such as the European Qualifications Framework. > > *Expected Range*: Text, Url, DefinedTerm > > > I am very much of the opinion that these levels are only meaningful if > they come with definitions in the context of a set of levels, hence my > desire to keep DefinedTerm in the range. Given the choice of Text and Url I > can easily imagine getting values like cryptic values like "NQF4" or > meaningless values like "4" when there is no Url for individual terms. > > Phil > > On 17/02/18 10:51, Richard Wallis wrote: > > “I think text is good, I’d really like to add URL" > > That is no problem - it is default in Schema.org to be able to use a URL > (if you have one) for the value of any property: > > *some types such as Role and URL can be used with all properties, and we > encourage this kind of experimentation amongst data consumers. > <http://schema.org/docs/datamodel.html#conformance>* > > > > > Richard Wallis > Founder, Data Liberate > http://dataliberate.com > Linkedin: http://www.linkedin.com/in/richardwallis > Twitter: @rjw > > On 17 February 2018 at 10:20, Fritz Ray <fritley@gmail.com> wrote: > >> Phil, >> >> Your understanding continues to make sense to me. I didn't realize the >> credentials for each level of award were nationalized... I don't believe >> that changes anything. >> >> Nate, >> >> I could imagine educationLevels being described as: >> >> "Masters" >> "SPQF Level 5" >> Taxon/DefinedTerm/reserved URL such as http://ed.gov/degreeLevels/ass >> ociates >> by URLs to documents. >> <https://www2.ed.gov/about/offices/list/ous/international/usnei/us/associate.doc> >> >> That's primarily why I chose a set of things that broad. I'd agree it >> doesn't serve the use cases, but there are a lot of cases where these >> levels are defined in documents, so text strings is about all we're going >> to get. >> >> I assume that at some point the web of data people will win and all these word >> documents >> <https://www2.ed.gov/about/offices/list/ous/international/usnei/us/edlite-structure-us.html> >> and pdfs >> <http://scqf.org.uk/wp-content/uploads/2014/03/SCQF-Level-Descriptors-WEB-Aug-2015.pdf>that >> describe levels will have corresponding URLs for each level. >> >> Richard et al, >> >> I think text is good, I'd really like to add URL in order to represent >> taxons and links to descriptions of levels out on the web (so we're at >> least somewhat as capable as AlignmentObject.) >> >> Other than that, I'm happy with where the conversation has ended up. >> >> On Fri, Feb 16, 2018 at 10:33 AM, Vicki Tardif <vtardif@google.com> >> wrote: >> >>> Based on similar experiences in other Schema.org extension areas, when >>>> it has become complex/difficult to gain consensus on a particular point, >>>> especially with an initial proposal: >>>> I suggest that we agree on a property name for this (these) concepts >>>> and create it with a range of Text and a suitable, not too specific, >>>> description. >>>> After some use in the real world, we can then review that usage and >>>> come up with enhanced propert(ies) definition, range, etc. as part of a >>>> further following proposal. >>> >>> At this current stage translating the forgoing discussions in this email >>>> trail into a concise description, that will be understandable to the >>>> Schema,org community that will receive, and hopefully accept, our proposals >>>> seems a challenge too far for this initial release. >>> >>> >>> I agree with Richard. It may be simplest to use text and see where the >>> data leads us. >>> >>> - Vicki >>> >>> On Fri, Feb 16, 2018 at 12:42 PM, Richard Wallis < >>> richard.wallis@dataliberate.com> wrote: >>> >>>> Based on similar experiences in other Schema.org extension areas, when >>>> it has become complex/difficult to gain consensus on a particular point, >>>> especially with an initial proposal: >>>> >>>> I suggest that we agree on a property name for this (these) concepts >>>> and create it with a range of Text and a suitable, not too specific, >>>> description. >>>> >>>> After some use in the real world, we can then review that usage and >>>> come up with enhanced propert(ies) definition, range, etc. as part of a >>>> further following proposal. >>>> >>>> At this current stage translating the forgoing discussions in this >>>> email trail into a concise description, that will be understandable to the >>>> Schema,org community that will receive, and hopefully accept, our proposals >>>> seems a challenge too far for this initial release. >>>> >>>> ~Richard >>>> >>>> Richard Wallis >>>> Founder, Data Liberate >>>> http://dataliberate.com >>>> Linkedin: http://www.linkedin.com/in/richardwallis >>>> Twitter: @rjw >>>> >>>> On 16 February 2018 at 17:39, Nate Otto <nate@ottonomy.net> wrote: >>>> >>>>> Thanks for digging in to get more precise on level here. >>>>> >>>>> I like how the SCQF reasons about levels of accomplishment. A >>>>> Credential can recognize a level of accomplishment, a level of performance, >>>>> or both. A Course could be "at" a level of accomplishment in terms of >>>>> difficulty or prerequisite knowledge & skills. These are good use cases to >>>>> target, and if I think of "educationalLevel", this would be the sense of >>>>> level that would fit best, versus "level of performance", even though it >>>>> would be possible to split hairs further between the two categories I >>>>> started with, which we could abbreviate to "accomplishment level >>>>> recognized" and "accomplishment level required". >>>>> >>>>> This vocabulary's ability to describe level of accomplishment should >>>>> be distinct from trying to talk about level of performance and not use the >>>>> same property, in my opinion. >>>>> >>>>> Fritz, >>>>> I'm a little wary of "A string, term or URL". That's amazingly broad >>>>> to the point where it would likely make it very difficult to serve the >>>>> comparison use cases. >>>>> >>>>> What feels important to me about understanding the level of >>>>> accomplishment of a credential is its position relative to other >>>>> credentials, learning opportunities, etc. I am not confident I get that >>>>> across a range of credentials unless they all use specific URLs pointing to >>>>> level definitions like the ones from the SCQF. >>>>> >>>>> On one hand, one string property is nice and simple, on the other >>>>> hand, it doesn't serve comparison use cases well unless all the credentials >>>>> you'd like to compare use a very specific scheme established outside the >>>>> scope of this vocabulary known to the consumer. >>>>> >>>>> Maybe I changed my mind on using alignment, particularly because >>>>> AlignmentObject already has the "alignmentType" property, which includes >>>>> "educationalLevel" as an option. We could suggest something like this, >>>>> adding a numerical levelNumber property and using a URL either for >>>>> educationalFramework or targetUrl (a little wary of targetUrl because I >>>>> would think that should represent a URL of the exact level that alignment >>>>> is desired for, but maybe somebody can ease my mind on this point) >>>>> >>>>> { >>>>> "@context": "http://schema.org", >>>>> "@type": "Credential", >>>>> "alignment": [{ >>>>> "educationalFramework": "http://pinballsorcerers.org/levels/2", >>>>> "alignmentType": "educationalLevel", >>>>> "levelNumber": 2 >>>>> }, >>>>> { >>>>> "educationalFramework": "https://ec.europa.eu/ploteus/ >>>>> content/descriptors-page", >>>>> "alignmentType": "educationalLevel", >>>>> "levelNumber": 7 >>>>> } >>>>> ] >>>>> } >>>>> >>>>> It does seems like we're not going to be able to model this nearly as >>>>> well to serve comparison use cases with a bare text string. Only human >>>>> eyeballs could make sense of the difference between >>>>> >>>>> "educationalLevel": "Pinball Wizard Level 1: Nub" and >>>>> "educationalLevel": "Pinball Wizard Level 6: Ultimate Extra Baller" >>>>> >>>>> Nate >>>>> >>>>> >>>> >>> >> > > -- > > Phil Barker <http://people.pjjk.net/phil>. http://people.pjjk.net/phil > PJJK Limited <https://www.pjjk.co.uk>: technology to enhance learning; > information systems for education. > CETIS LLP: a cooperative consultancy for innovation in education > technology. > > PJJK Limited is registered in Scotland as a private limited company, > number SC569282. > CETIS is a co-operative limited liability partnership, registered in > England number OC399090 > -- Stuart A. Sutton, Metadata Consultant Associate Professor Emeritus, University of Washington Information School Email: stuartasutton@gmail.com Skype: sasutton
Received on Monday, 19 February 2018 12:59:17 UTC