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Interesting. Thom Hickey commented a while ago about LibX's use of xISBN (*): "I suspect that eventually the LibX xISBN support will become both less visible and more automatic." We were indeed planning on making it more automatic. For instance, a user visiting a vendor's page such as amazon might be presented with options from their library catalog, based on related ISBN found via xISBN. Would that qualify as noncommercial use? For instance, if LibX with this feature were installed on a public library machine, 500 requests per day might be easily exceeded. Matters would be even worse if multiple library machines were to share an IP because they are hidden behind a NAT device or proxy. - Godmar (*) http://outgoing.typepad.com/outgoing/2006/05/libx_and_xisbn.html On 5/9/07, William Denton <[log in to unmask]> wrote: > On 8 May 2007, Eric Hellman wrote: > > > xISBN is free for non-commercial, low volume use. > > The xISBN web site clarifies this as meaning <= 500 queries per day for > non-commercial purposes. Over 500 queries in a day for non-commercial > use, or any number of queries for commercial use, requires paying: > > http://xisbn.worldcat.org/xisbnadmin/doc/price.htm > > A library would pay $3,000 USD a year to be able to do 10,000 queries a > day. That's a lot of queries, but I could imagine a big academic library > doing a bunch if they pushed out web tools to their students to make it > easy to check if any edition of a given book (seen at Amazon or in a blog, > etc.) is available in its collection. 1,000 queries a day (which used to > be free) is now $500 USD per year. It's 20% off for OCLC members. > > I'm not sure how to read the commercial price rates, or who would need > 10,000,000 xISBN queries, but the prices push the service out of the reach > of the devoted library hacker as well as the small start-up or basement > business. > > xISBN's availability, even to and through free and open source tools, is > now more limited. On reflection, this is one of the rare times on > code4lib when an announced API offers less and not more. Also, it's the > first big commodification of FRBR, which is intriquing. > > Bill > -- > William Denton, Toronto : www.miskatonic.org www.frbr.org www.openfrbr.org >