- From: Ross Singer <ross.singer@talis.com>
- Date: Mon, 9 Dec 2013 21:27:35 -0500
- To: Dan Scott <denials@gmail.com>
- Cc: Karen Coyle <kcoyle@kcoyle.net>, public-schemabibex@w3.org
- Message-ID: <CAPJqReM2Es98TGhRC25aksPVN=hLiubpttdJw43dMete2w_qhg@mail.gmail.com>
On Dec 9, 2013 7:21 PM, "Dan Scott" <denials@gmail.com> wrote: > > On Mon, Dec 9, 2013 at 5:18 PM, Ross Singer <ross.singer@talis.com> wrote: > > On Mon, Dec 9, 2013 at 4:59 PM, Karen Coyle <kcoyle@kcoyle.net> wrote: > >> > >> On 12/9/13, 11:36 AM, Ross Singer wrote: > >>> > >>> I can't say that I'm a fan of including issue and volume in Periodical. > >>> Not only does it feel wrong, it seems like it's overloading Periodical > >>> with multiple meanings. > >>> > >>> I'd definitely prefer: > >>> > >>> Periodical > PeriodicalIssue > Article > > Hey Ross - did you mean "Article is a subclass of Periodicalissue, > which is a subclass of Periodical"? Just trying to get clarity on > this; in my proposal, all three are direct subclasses of CreativeWork > (so that Article doesn't inherit "issn" from Periodical, for example). > No, sorry, bad choice of delimiter. I intended it as hasPart/isPartOf. -Ross. > >> Ross, in this scheme, where would volume go? Would it be part of issue? > >> The volume number itself is considered an important part of a citation. You > >> could, I suppose, say that the issue number is volume number + issue number, > >> but... it doesn't always work like that. > > > > > > My idea was that "volume" would be a property of "PeriodicalIssue", yeah. > > That way you could roughly generate a representation of "Volume" (as the set > > of issues) if you absolutely needed this. I absolutely agree that volume is > > essential in the citation and needs to appear *somewhere*. > > I had "volumeNumber" on PeriodicalIssue until I created the separate > PeriodicalVolume; so if we cut PeriodicalVolume out, that's where it > made the most sense to me, too. > > >>> I have never really seen a compelling case for Volume (since it's kind > >>> of an abstract concept on its own), but Dan noted (off-list) that > >>> publishers will (sometimes) group on them (e.g. > >>> http://link.springer.com/journal/volumesAndIssues/11134#volume75, > >>> http://www.tandfonline.com/loi/wccq20?open=51&repitition=0#vol_51). I'm > >>> not sure I find this a particularly compelling use case, but if somebody > >>> can make a convincing argument that people actually use "volume" as a > >>> first class citizen, I don't know that I would put up too much of a > >>> fight against it (but I'd prefer it to be optional). I would *really* > >>> like to hear the opinion of some people in publishing on this. I feel > >>> like we're modeling their universe without any input from them, which is > >>> strange. > >> > >> > >> I agree about volume - it seems to mainly be a convenient numbering system > >> but without representing *content* per se. Trying to think about sales, I > >> did an example with offer, but could only find (online) subscription offers, > >> not sales of issues. On the newsstand, an issue has a price, which > >> presumably is meaningful to periodical publishers (and to the comics folks). > >> The only online place where I could find offers for individual issues was > >> eBay. > > The Google Play Newsstand offers back issues for sale: > https://play.google.com/store/newsstand/details/Popular_Mechanics_Magazine > (not sure if this link will show up for you across the border, but > there is a back issue section about half way down). And there are > sites like http://backissues.com/publications/New-Yorker which would > benefit from a schema.org consultant wise in the ways of Offer and > friends. > > > I suppose another example where volumes may tangibly exist is in bound > > periodicals, but this seems totally edge case-y to me. Dan mentioned a use > > case around volumes as a proxy for editorial boards, but I don't think it > > applies universally enough, personally. > > Yep, although that's mostly nostalgia from my days at the student > newspaper. And realistically, that board can and does change from > issue to issue anyway. > > Part of my motivation for a separate Volume class had been to support > what seemed to be a more pressing requirement on the Comics side of > things. But further discussions with Peter and Henry (ah, domain > expertise!) suggest that that was a misunderstanding on my part. > > >>> Bibo only puts 'volume' on Document, which says to me that it was a > >>> compromise between books and serials and associated it with the Article, > >>> rather than the Issue, which probably doesn't apply to us unless there's > >>> commonality between Article and Book. > > I've been combing through the Bibo archives and they faced the same > flat vs. relational dilemma in their past that we're agonizing over > now; evidently they chose to omit volume as a class. But their > hierarchy has Issue as a subclass of CollectedDocument, which is a > subclass of Document... so I believe issues _can_ have volume numbers > in Bibo. > > >> > >> > >> Well, the one commonality is both periodicals and books can have numbered > >> volumes. > > > > > > Certainly, but I don't think they mean exactly the same thing. It would > > require both Book and Article to descend from the same superclass, which > > might be a hard sell. > > Hey, they both descend from CreativeWork! As if that needs yet another > property... A couple of other options are to have volumeNumber apply > to both Book and PeriodicalIssue via domainIncludes, or to use > multiple types (Book with an alternate type of PeriodicalIssue) to > represent monographic serials. > > I'll mention this elsewhere, but given the Bibo precedent (which seems > to have been working in practice), and the emerging clarity of the > Comics requirements, I'll revert my proposal back to just a Periodical > / PeriodicalIssue / Article structure (each a direct subclass of > CreativeWork). That will reduce the number of new has/partOf > properties, too. If we do get some publishers who make a pressing case > for volume as a separate class, or the Bibo folks indicate strong > regrets about their decisions, it wouldn't be much work at all to put > it back in. > > Thanks, > Dan
Received on Tuesday, 10 December 2013 02:28:04 UTC