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Re: Draft of XML Literal words for RDF/XML syntax doc

From: Brian McBride <bwm@hplb.hpl.hp.com>
Date: Wed, 06 Aug 2003 14:56:04 +0100
Message-ID: <3F3108F4.3050004@hplb.hpl.hp.com>
To: Dave Beckett <dave.beckett@bristol.ac.uk>
CC: w3c-rdfcore-wg@w3.org



Dave Beckett wrote:
> The words below are to replace the content of 7.2.17 Production parseTypeLiteralPropertyElt at
>   http://www.w3.org/2001/sw/RDFCore/TR/WD-rdf-syntax-grammar-20030117/#parseTypeLiteralPropertyElt
> 
> It's HTML but I've used lynx to make it text

A quick read and it looks good to me.  Any other comments?

Brian
> 
> Dave
> 
> ----
> 
> For element e and the literal l.
> 
> l is an XML Infoset of XML Information items and is not transformed by
> the  mapping  to  the  syntax  data  model. l (rdf:parseType="Literal"
> content) is mapped to an [1]XML literal in the RDF graph.
> 
> This  mapping  from  the XML information items in l to the XML literal
> Unicode  string  x is done as follows, or by any method that gives the
> same result:
>   * Use  l  to construct an XPath[XPATH] [2]node-set (a [3]document
>     subset)
>   * Apply   [4]Exclusive  XML  Canonicalization  [XML-XC14N])  with
>     comments  and with empty [5]InclusiveNamespaces PrefixList to this
>     node-set to give a sequence of octets s
>   * This sequence of octets s can be considered to be a UTF-8 encoding
>     of some Unicode string x (sequence of Unicode characteres)
>   * The Unicode string x is used as the lexical form of l
> 
> Then  o := typed-literal(literal-value := x, literal-datatype :=
> http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral    )   and   the
> following statement is added to the graph:
> 
> e.parent.subject.string-value <e.URI> o.string-value .
>  
> ---
> References
>  
>    1. http://www.w3.org/2001/sw/RDFCore/TR/WD-rdf-concepts-20030117/#dfn-rdf-XMLLiteral
>    2. http://www.w3.org/TR/1999/REC-xpath-19991116#infoset
>    3. http://www.w3.org/TR/2002/REC-xml-exc-c14n-20020718/#def-document-subset
>    4. http://www.w3.org/TR/2002/REC-xml-exc-c14n-20020718/
>    5. http://www.w3.org/TR/2002/REC-xml-exc-c14n-20020718/#def-InclusiveNamespaces-PrefixList
Received on Wednesday, 6 August 2003 09:57:05 EDT

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