Hi Jill,

I have this fork that I adapted to work with data from solr (Hyrax schema),
maybe can help you, please see this scripts:

-get_solr.php
-oai2.php
-oai2server.php


To see how I ask data from solr and parse to oai-pmh.


Regards.




El lun., 13 de septiembre de 2021 4:17 a. m., Joe Hourclé <
[log in to unmask]> escribió:

> I’ve never implemented OAI-PMH myself, but I had looked into it many years
> back (and tried to convince our project that it was something that we
> needed to do)
>
> I’m not aware of any introductions that I think are as thorough as you’d
> likely need for this, but Sickle has a summary of what the interface is,
> that might be useful for someone who has absolutely no experience with it:
>
> https://sickle.readthedocs.io/en/latest/oaipmh.html
>
> I also found a video that starts to explain why it’s useful.  The
> beginning seems to be superfluous at first, but if you trim it, you wonder
> why he’s talking about those two projects later in the video:
>
> https://youtube.com/watch?v=fpz4fzKvVTg
>
> But as they’re not from the library world, I don’t know that they’ll
> necessarily understand the context behind PMH.  They might need to
> understand that it was intended to help break data silos, so that we
> weren’t all implementing different protocols to get to our data, with each
> discipline having incompatible tools for searching.
>
> Maybe something like PHD comic’s explanation of why there was the push for
> open access would help set the context if what people are trying to
> accomplish.  (It doesn’t directly mention PMH, but to do the sort of re-use
> they mention, you need it so you don’t need to write a new client for each
> and every collection you’re accessing):
>
> https://youtube.com/watch?v=L5rVH1KGBCY
>
> It’s possible that there are some videos out there from Herbert van de
> Sompel explaining the project from the early days, but I suspect the
> context would be science data, not library data.
>
> (I was in a breakout group with him at a 2011 workshop on attribution of
> science data, and I understand now why he didn’t want to support the
> recommendation for data landing pages, as he probably thought it was a step
> backwards, but for most of us in the group, it was a step forward)
>
> As we were all dealing with different types of data, we couldn’t just use
> something like z38.50 and its later incarnations as it assumed you were
> dealing with bibliographic records.   And although the OAIS reference model
> existed, it didn’t really dig into the whole concept of ‘finding aids’ much
> more than say such things existed.
>
> I might be able to dig up a talk that I gave at ASIS&T around 2008 for a
> panel on protocols and standards …. I don’t think it was recorded, so you
> won’t have the issue that every third word in the talk was an acronym.
>
> -Joe
>
> Ps.  I assumed you’re talking about PMH from the context.  If you’re
> talking about ORE, I can try to dig up some of my old talks, where I’m
> trying to explain the issues of describing data collections where things
> are both subsetted and mirrored.
>
> Sent from a mobile device with a crappy on screen keyboard and obnoxious
> "autocorrect"
>
> > On Sep 13, 2021, at 4:07 AM, Jill Ellern <[log in to unmask]> wrote:
> >
> > Code4lib folks,
> >
> > I have perhaps some stupid OAI questions.  We are moving off Contentdm
> and onto a platform with programmers that I’m pretty sure don't know OAI
> and harvesting at all.  We  have been thinking that it would be simple to
> convert our output of metadata that comes in a text format.  However, we
> see now that it drops the set structure (front and back of an image for
> example) especially since we have some collections that have different
> titles for the container (root description) and the images attached.  We do
> see a line with cpd but with different titles, it look like we might have
> to identify sets in Excel.  That sounds like a big job and a pain.  I'm
> thinking there is a better way with OAI but I don't know much about it.
> > My thinking is that we can use OAI to move this data instead of text
> files.  I'm sure it has the structure built in...doesn't it?  Is there a
> easy tutorial on OAI?  I’m not finding much for the layperson. And our new
> vendor is pretty new to library land (they are in museum land) and we doubt
> if they know OAI and I don't see easy ways to teach them.  Do you have
> suggestions?
> >
> > Jill Ellern
> >
>