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Owen wrote: > Although part of the problem is that you might want to offer any service on > the basis of an OpenURL the major use case is supply of a document (either > online or via ILL) - so it strikes me you could look at DAIA > http://www.gbv.de/wikis/cls/DAIA_-_Document_Availability_Information_API ? > Jakob does this make sense? Just having read Joel Spolsky's article about Architecture Astronauts that Mike pointed to [1] I hesitate to propagate what you can all do with DAIA. But your use case makes sense if you want to offer services provided or mediated by a specific institution (such as a library) with a specific publication. Inspired by your idea to combine OpenURL and DAIA I update the DAIA perl library [2] and hacked a DAIA server that also understands some very limited OpenURL (it only knows books with ISBN): You can look up which library has a specific publication in the GBV library union by its identifier: http://ws.gbv.de/daia/gvk/?id=gvk:ppn:48574418X or by OpenURL http://ws.gbv.de/daia/gvk/?ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:book&rft.isbn=0-471-38393-7 Have a look at the simple source code of this script at http://daia.svn.sourceforge.net/viewvc/daia/trunk/daiapm/examples/gvk.pl?view=markup I want to stress that this demo DAIA server does not use the full expression power of DAIA, in fact it does not provide any availability information at at - but you hopefully get the concept. Cheers Jakob [1] http://www.joelonsoftware.com/articles/fog0000000018.html [2] https://sourceforge.net/projects/daia/files/DAIA-0.27.tar.gz -- Jakob Voß <[log in to unmask]>, skype: nichtich Verbundzentrale des GBV (VZG) / Common Library Network Platz der Goettinger Sieben 1, 37073 Göttingen, Germany +49 (0)551 39-10242, http://www.gbv.de