my experience / practice was to upload all, and then manually add to other
images field, then curate the metadata among images.
you may have multiple versions from different sources, i.e. google art,
museum flickr feed,
some duplicates got deleted, but there is no process for image curation
among duplicates. (yet)
i found in general that there were no tiffs, only some high res jpgs around
20MB taken from tiffs.
jim hayes
On Fri, May 2, 2014 at 4:40 AM, Fæ <faewik(a)gmail.com> wrote:
I have had many issues around this in the past. If the
images are the same
in quality/resolution then avoid duplicating what is currently on Commons.
However if your versions are, in your view, better quality then there is no
problem uploading them as they are not true duplicates. Digitally identical
duplicates should be rejected automatically at upload as the files have
matching SHA-1 checks.
For most of my batch uploads I do a check of whatever unique ID is
suitable to see if there are matches. This can be highly useful when
re-running uploads as a check of matching filenames or image page text is a
lot less processing/data volumes than downloading the image file to create
SHA-1 values.
PS this feels like "advanced class" techniques. Apologies if I'm a crappy
teacher. :-)
Fae
On 1 May 2014 13:46, David Haskiya <david.haskiya(a)europeana.eu> wrote:
Hi,
On behalf of the Amsterdam Museum I'm prepping a batch upload of about
300 images of their collection of paintings. They've made the selection.
I note that a number of their paintings have already been uploaded by
individual Commonists to here
https://commons.wikimedia.org/wiki/Category:Paintings_in_the_Amsterdam_Muse…
Question: Should I upload all images in "my" batch anyway even though
this risks duplicating images? Is there a best practise for cases like this?
Cheers,
David Haskiya
*David Haskiya*
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