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Re: [ontolog-forum] fitness of XML for ontology

To: ontolog-forum@xxxxxxxxxxxxxxxx
From: John McClure <jmcclure@xxxxxxxxxxxxxx>
Date: Tue, 04 Feb 2014 09:54:42 -0800
Message-id: <52F12962.40103@xxxxxxxxxxxxxx>
The triple "Person:X is:this Man:X" has these encodings (from a semantic wiki that requires all its pagenames to contain a 'type' prefix). Draw your own conclusions about each encoding but to me Turtle is superior, followed by XML, and wiping up the rear would be JSON, because JSON has no text entity support unlike the other two. And so, fwiw, I think the claim JSON is a 'lightweight' protocol is somewhat unfounded plus I'm not crazy about an English-only protocol. Feel free to correct me if I've missed anything here. thanks/jmc

1. Striped RDF XML

<!ENTITY rdf   "http://www.w3.org/1999/02/22-rdf-syntax-ns#">
<!ENTITY wiki  "http://www.mysemanticwiki.com/wiki/">
<!ENTITY is    "http://www.mysemanticwiki.com/ontology/is.rdf#">
<!ENTITY nouns "http://www.mysemanticwiki.com/ontology/Nouns.rdf#">

<rdf:RDF xml:ns="&nouns;" xmlns:rdf="&rdf;" xmlns:is="&is;">
<Person rdf:id="&wiki;Person:X">
  <is:this rdf:resource="&wiki;Man:X"/>

2. Turtle

@prefix rdf:  <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
@prefix wiki: <http://www.mysemanticwiki.com/wiki/>
@prefix is:   <http://www.mysemanticwiki.com/ontology/is.rdf#>
@prefix :     <http://www.mysemanticwiki.com/ontology/Nouns.rdf#>

  rdf:type :Person ;
  is:this  wiki:Man:X


{ "http://www.mysemanticwiki.com/wiki/Person:X" :
  { "http://www.w3.org/1999/02/22-rdf-syntax-ns#type" :
    [ { "value" : "http://www.mysemanticwiki.com/ontology/Nouns.rdf#Person",
        "type"  : "uri"
  { "http://www.ubuntuwiki.co.za/ontology/is.rdf#this" :
    [ { "value" : "http://www.mysemanticwiki.com/wiki/Man:X",
        "type"  : "uri"

4. Semantic Wiki (bonus!)

<mediawiki xmlns="http://www.mediawiki.org/xml/export-0.5/">
     <text>[[rdf:type :: Person]]
           [[is:this  :: Man:X ]]

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