For those of you interested in deploying RDF on the Web, I'd like to draw your attention to three new proposed standards from IETF, "Web Linking", "Defining Well-Known URIs", and "Web Host Metadata", that create new follow-your-nose tricks that...
[RFC4395] defines an IANA-maintained registry of URI Schemes. These registries include the Permanent and Provisional URI Schemes. Internet Assigned Numbers Authority.
ycoon is a Python WSGI web development framework which allows XML processing pipelines to handle HTTP requests based on URI pattern matching. It is similar in intention to the Apache Cocoon framework. Pycoon uses sitemap file format compatible with Apache Cocoon Sitemap
The primary key of the sort is the number of literal characters in the full URI matching pattern.
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The secondary key of the sort is the number of template expressions embedded within the pattern—that is, {id} or {id : .+}. This sort is in descending order.
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The tertiary key of the sort is the number of nondefault template expressions. A default template expression is one that does not define a regular expression—that is, {id}.
N. Ikonomov, B. Simeonov, J. Parvanova, und V. Alexiev. Digital Presentation and Preservation of Cultural and Scientific Heritage (DiPP 2013), Veliko Tarnovo, Bulgaria, (September 2013)