Jon Phipps’ not-an-NSDL blog

February 9, 2006

Jon Udell: Further adventures in lightweight service composition

Filed under: Uncategorized — Jon Phipps @ 6:10 pm

Jon Udell has added OCLC’s xISBN service to an Ajaxified LibraryLookup script.

Jon Udell: Further adventures in lightweight service composition

…The next logical step was to add xISBN capability to the Greasemonkey-based version of LibraryLookup that’s shown (along with wishlist/library-availability notification) in the screencast Content, services, and the yin-yang of intermediation. In theory this should have been a snap. I already had a Greasemonkey script that was calling one service — the library catalog — using the keystone of AJAX, XMLHTTPRequest. How hard could it be to add a second service to this application?

Fairly hard but doable, as it turns out. I came to this from reading his InfoWorld column this week: The browser as orchestrator in which he points out that…

…Service composition in the browser can, and will, nicely complement service composition in the cloud…



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