I was talking to CrossRef a few weeks ago about DOI's. Here's what Amy Brand said regarding cost.
"Hi David,
I am pleased you've gotten some answers to your questions from Bruce. Given the large number of DOIs in uBio, it could take us some time to work out an appropriate "arrangement" for their deposit. Even if we were to charge you only what we ourselves currently have to pay on a per-DOI basis, you are looking at $272,000 for 6.8 million DOIs. We are trying to work out a large discount from the International DOI Foundation for such cases. " so 0.25 USD / DOI is cost for them.
I'd look seriously at DOIs (and talk to the DOI people about what it would actually cost, and figure out how come Germany can make this free for scientists -- http://www.std-doi.de/front_content.php), then look at handles (which some BHL members are already using), then LSIDs. My argument for using DOIs would be the added value from CrossRef -- you'd get immediate integration into electronic publishing (i.e., linkable references), and isn't that part of the goal...?
One complication about DOIs is whether there should be only one DOI for a publication, issued by the copyright holder/publisher. I don't mean one can't have DOIs for parts, just that are there issues if, say, Springer has a DOI for a publication and so does BHL (or anybody else).
Lastly, IMHO any GUID that is not resolvable now is a waste of time, so I see no value in an identifier like urn:bhl:...
Regards
Rod
On 18 May 2006, at 15:56, Donald Hobern wrote:
After my post yesterday, Neil Thomson forwarded me this paper he has prepared for the Biodiversity Heritage Library on their need for GUIDs. His document ends by explaining how BHL identifiers could end up looking "a bit like an LSID". Obviously I would recommend that they should actually just be LSIDs, but Neil is interested in any feedback on this paper and it clearly relates very much to all that we discussed under the general heading of "Publication Bank".
Thanks,
Donald
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