- From: Dan Brickley <danbri@google.com>
- Date: Fri, 26 Feb 2016 11:17:01 +0000
- To: Phil Barker <phil.barker@hw.ac.uk>
- Cc: public-schema-course-extend@w3.org
On 26 February 2016 at 11:02, Phil Barker <phil.barker@hw.ac.uk> wrote: > > > Thank you all for your replies. I will create an alternative based on > Vicki's ideas for comparison (but not today). > > A could of points to clarify / question > > 1) I am still seeing conflicting ideas about whether Course (the abstract) > should be a type of Creative Work. Vicki suggests this, Dan seems not so > comfortable with it. I know that in the bibliographic world people are > quite comfortable with CreativeWorks being represented at an abstract level > not just being something like a document. I am mainly concerned about multiple super-typing with CreativeWork and Event since the former already have lots of events associated with them (creation, publication etc.); it feels like a recipe for confusion. > 2) The name of a concrete offering/presentation of the Course is > troublesome. Every suggestion I have seen seems to lead to > misunderstandings. Session is another one: when I teach a course we have > sessions on Mondays and Thursdays... but that is not what is meant by Vicki. > Offering is confusing with Offer. Section and Presentation can also lead to > problems. Often when we are describing what we mean we talk about the > abstract course and a specific instance of it, so I am going to suggest we > go with Course and CourseInstance. That seems enough for us to use for communication. Maybe inspiration will strike later for a better name... Dan > Phil > > > On 25/02/16 19:30, Developer, SleepingDog wrote: >> >> I agree with (+1) Vicki and Dan that there is a requirement to model >> abstract courses that are not events; which in turn may have zero, one or >> more event-based offerings (possibly simultaneously, overlapping, >> sequentially) with properties whose distinctiveness will be important for >> learners. >> >> In markup terms, I expect this to be typically realized by a course >> details page which contains a set of (often descriptive) abstract course >> elements which apply to all offerings, and an optional set of offerings >> which have properties specific to them. >> >> I am not familiar enough with schema.org best practice to say how this >> should be achieved, and nor do I want to rule out a pattern that represents >> courses as abstraction-only or as creative works (like a learning object), >> or a one-off course which occurs as one event. But I can say that all of the >> three student record systems I have worked on extracting course information >> with, and all of the course modelling standards I have encountered have had >> a (parent) abstract course and a (child) concrete offering structure. >> >> Tavis Reddick >> >>> On 25 Feb 2016, at 18:33, Dan Brickley <danbri@google.com> wrote: >>> >>> On 25 February 2016 at 18:23, Vicki Tardif Holland <vtardif@google.com> >>> wrote: >>>> >>>> I am concerned that in the name of simplicity, we are losing the ability >>>> to >>>> understand the various things a Course may be: >>>> >>>> 1. The abstract notion (e.g. "HNC Accounting"). >>>> 2. A specific session of the Course (e.g. HNC Accounting taught at St >>>> Brycedale Campus Kirkcaldy starting 2016-08-29). >>>> 3. An offer to sell access to a Course. In the online world, this is >>>> usually >>>> a specific session. >>>> >>>> As the examples are written, I cannot tell the difference between >>>> definitions 1) and 2), particularly because the first example gives >>>> dates. >>>> - Vicki >>> >>> +1 …Courses do indeed have >>> aspects (especially their syllabus) which are closer to documents, and >>> aspects which are closer to events, but we lose too much by flattening >>> everything into a single Course type that subclasses both.… >>> --Dan >>> >> >> > > > -- > -- > Phil Barker @philbarker > LRMI, Cetis, ICBL http://people.pjjk.net/phil > Heriot-Watt University > > Ubuntu: http://xkcd.com/456/ > not so much an operating system as a learning opportunity. > >
Received on Friday, 26 February 2016 11:17:31 UTC