Some interesting discussion on how to list repository contents. "The usual way for repos [repositories] to enable this is OAI-PMH... The way the rest of the world does it is with Atom or RSS." Quite so, and despite impressive achievements, The Open Archives Initiative (OAI) hasn't had the impact of RSS. Part of the reason for this may be that unqualified Dublin Core records, which are what is produced by OAI, are not useful for resource discovery. And part of the reason may be that while OAI is service-oriented, RSS is resource-oriented (we see this same distincting characterizing Web Services and REST). Another approach is the Sitemap Protocol (Sitemap is an XML file that lists URLs for a site along with additional metadata about each URL). Sitemap isn't widely used, but it carries the useful 'priority' element, which would help aggregators like Google rank its listings. Via Andy Powell.
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