HTML Entities in rdf:XMLLiteral

All,

When dealing with rdf:XMLLiteral's which includes HTML entities such as ’ does preference go to:

Including the Entities in a <!DOCTYPE section
Double encoding &rsquo;
Converting the chars to plain Unicode characters of their numerical form.

Cheers,

encoding rdf

asked 10 Jun '10, 14:43

Nathan
429●8
accept rate: 5%

I assume you ask how to write such entities in an RDF/XML document?

(10 Jun '10, 21:27) cygri ♦

2 Answers:

oldest newest most voted

To maximise portability, and that includes people round-tripping the data through different syntaxes and/or stores I'd recommend that you use the numeric forms in RDF/XML (and appropriate escaping in other syntaxes).

link

answered 10 Jun '10, 15:48

ldodds
1.7k●3●14
accept rate: 32%

So true. Don't expect characters outside of US-ASCII to live through many transitions from one to another system.

(10 Jun '10, 16:41) cygri ♦

good answer, cheers

(11 Jun '10, 16:15) Nathan

-2

XML Literals are supposed to be in exclusive canonical form. If I read correctly that means you ought to do the following:

Use the literal character except...
in attribute values use & < " 	 
 and  for the relevant character.
in text content use & < >

So for ’ you should enter '’', the character itself.

Serialisations other than rdf/xml may impose further restrictions. For example in N-Triples you must encode everything beyond US-ASCII, so <span>’</span> would be written as <span>\u2019</span>.

link

answered 10 Jun '10, 21:09

Comment Bot
3.0k●4●9
accept rate: 41%

They are supposed to be in canonical form after parsing. This does in no way imply that they should be written in canonical form in RDF/XML. Canonicalization is the RDF/XML parser's job.

(10 Jun '10, 21:23) cygri ♦

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Asked: 10 Jun '10, 14:43

Seen: 1,328 times

Last updated: 10 Jun '10, 21:09

HTML Entities in rdf:XMLLiteral

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