[open-bibliography] Comments on transformed BNB data

[William Waites]

* [2010-11-24 16:19:39 -0000] Deliot, Corine <Corine.Deliot at bl.uk> écrit:

] I've looked at RFC 2141 about the URN syntax
] http://www.ietf.org/rfc/rfc2141.txt
] 
] In it, there are the following statements: 
] "The leading "urn:" sequence is case-insensitive" (section 2); 
] "Further, the Namespace Identifier is case insensitive, so that
] "ISBN" and "isbn" refer to the same namespace." (section 2.1).   
] 
] Under section 6, it is said that the following three statements are
] lexically equivalent: URN:foo:a123,456; urn:foo:a123,456, and
] urn:FOO:a123,456. 
] 
] So in what way does case matter? Is it because it is common practice
] to lower case the prefix and applications have been built on that
] basis?  

RDF is more restrictive:

    http://www.w3.org/TR/rdf-concepts/#section-Graph-URIref

    Two RDF URI references are equal if and only if they compare as
    equal, character by character, as Unicode strings

This does cause some confusion though...

Cheers,
-w
-- 
William Waites
http://eris.okfn.org/ww/foaf#i
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