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[EP-tech] Re: Thousands of old eprints repropagated via OAI after epadmin redo_thumbnails &co.
Il 08/04/2014 11:57, Sebastien Francois ha scritto:
> Hi Florian,
> Interesting scenario!..
> On 08/04/14 07:43, Florian He? wrote:
>> is there an option (am I just missing it? using EPrints v3.3.10) to
>> leave the current lastmod timestamp untouched when processing an epadmin
>> or alike routine automated by EPrints-boxed tools? We had in the past
>> and will still have a need to batch-process plenty of eprints, epadmin
>> redo_thumbnails for instance, which results in e.g. their being
>> renotified via our aggregator for freshly acquired media (RSS-feed and
>> mail channel both are limited to 1000 items per request, thus some
>> really fresh ones might be suppressed in the list). Client OAI
>> harvesters might handle them as new, too, which would be not that
> In the OAI scenario, I think that the OAI clients are faulty as an
> update of the lastmod timestamp doesn't modify the resource's unique
> identifier which should be used to see if an item is new or being updated.
timestamp is the default criteria for OAI to find if something has
changed. The unique identifier can't change, so can't be used for
updates. Or maybe I misunderstood?