I believe WorldCat qualifies, although the API is not yet ready for general
release (but soon):

<http://worldcat.org/devnet/index.php/SearchAPIDetails>

Roy


On 6/23/08 6/23/08 € 8:55 PM, "Godmar Back" <[log in to unmask]> wrote:

> Hi,
> 
> are there any examples of functioning OpenSearch interfaces to library
> catalogs or library information systems?
> 
> I'm specifically interested in those that not only advertise a text/html
> interface to their catalog, but who include OpenSearch response elements.
> One example I've found is Evergreen; though it's not clear to what extent
> this interface is used or implemented. For instance, their demo
> installation's OpenSearch description advertises an ATOM feed, but what's
> returned doesn't validate. (*)
> 
> Are there other examples deployed (and does anybody know applications that
> consume OpenSearch feeds?)
> 
>  - Godmar
> 
> (*) See, for instance:
> http://demo.gapines.org/opac/extras/opensearch/1.1/PINES/atom-full/keyword/?se
> archTerms=music&startPage=&startIndex=&count=&searchLang
> which is not a valid ATOM feed:
> http://validator.w3.org/feed/check.cgi?url=http%3A%2F%2Fdemo.gapines.org%2Fopa
> c%2Fextras%2Fopensearch%2F1.1%2FPINES%2Fatom-full%2Fkeyword%2F%3FsearchTerms%3
> Dmusic%26startPage%3D%26startIndex%3D%26count%3D%26searchLang
> 

--