--- a/rdf-primer/index.html Mon Feb 24 10:21:29 2014 +0100
+++ b/rdf-primer/index.html Mon Feb 24 10:54:01 2014 +0100
@@ -137,7 +137,10 @@
<h2>Introduction</h2>
<p>The Resource Description Framework (RDF) is a framework for
- expressing information about <strong id="resource">resources</strong>. Resources
+ expressing information about
+ <a href="http://www.w3.org/TR/2014/REC-rdf11-concepts-20140225/#resources-and-statements">
+ resources</a>.
+ Resources
can be anything, including documents, people, physical objects, and abstract
concepts.</p>
@@ -231,7 +234,7 @@
<h3>Triples</h3>
- <p>RDF allows us to make statements about resources.
+ <p>RDF allows us to make statements about <a title="resource">resources</a>.
The format of these statements is simple. A statement always
has the following structure:<p>
<pre>
@@ -312,7 +315,7 @@
<p>The abbreviation IRI is short for "International Resource
- Identifier". An <a href="http://www.w3.org/TR/rdf11-concepts/#section-IRIs">IRI</a>
+ Identifier". An <a href="http://www.w3.org/TR/2014/REC-rdf11-concepts-20140225/#section-IRIs">IRI</a>
identifies a resource. The URLs (Uniform Resource Locators) that
people use as Web addresses are one form of IRI. Other forms of IRI
provide an identifier for a resource without implying its location
@@ -355,14 +358,16 @@
<h3>Literals</h3>
<p>
- <a href="http://www.w3.org/TR/rdf11-concepts/#section-Graph-Literal">Literals</a>
+ <a href="http://www.w3.org/TR/2014/REC-rdf11-concepts-20140225/#section-Graph-Literal">Literals</a>
are basic values that are not IRIs. Examples of literals include
strings such as "La Joconde", dates such as "the 4th of July, 1990"
and numbers such as "3.14159".
- Literals are associated with a <i>datatype</i> enabling such
- values to be parsed and interpreted correctly.
- String literals can optionally be associated with a <i>language
- tag</i>. For example, "Léonard de Vinci" could
+ Literals are associated with a <a
+ href="http://www.w3.org/TR/2014/REC-rdf11-concepts-20140225/#section-Datatypes">datatype</a>
+ enabling such values to be parsed and interpreted correctly.
+ String literals can optionally be associated with a <a
+ href="http://www.w3.org/TR/2014/REC-rdf11-concepts-20140225/#section-Graph-Literal">language
+ tag</a>. For example, "Léonard de Vinci" could
be associated with the "fr" language tag and "李奥纳多·达·文西"
with the "zh" language tag.</p>
@@ -381,7 +386,7 @@
<p>Literals may only appear in the <strong>object position</strong> of a triple.</p>
<p>The RDF Concepts document provides a (non-exhaustive)
- <a href="http://www.w3.org/TR/rdf11-concepts/#section-Datatypes">list
+ <a href="http://www.w3.org/TR/2014/REC-rdf11-concepts-20140225/#section-Datatypes">list
of datatypes</a>. This includes many datatypes defined by XML
Schema, such as string, boolean, integer, decimal and date. </p>
@@ -398,7 +403,7 @@
Lisa painting has in its background an unidentified tree which
we know to be a cypress tree. Resources without identifiers such as the
painting's cypress tree can be represented by <a
- href="http://www.w3.org/TR/rdf11-concepts/#section-blank-nodes">"blank
+ href="http://www.w3.org/TR/2014/REC-rdf11-concepts-20140225/#section-blank-nodes">"blank
nodes"</a> in RDF. Blank nodes are like simple
variables in algebra; they represent some thing without saying
what their value is.
@@ -433,7 +438,7 @@
<p>Multiple graphs in
an RDF document constitute an
- <a href="http://www.w3.org/TR/rdf11-concepts/#section-dataset">RDF
+ <a href="http://www.w3.org/TR/2014/REC-rdf11-concepts-20140225/#section-dataset">RDF
dataset</a>. An RDF dataset may have multiple named graphs and
at most one unnamed ("default") graph. </p><p>
@@ -451,7 +456,9 @@
</pre>
<p>The IRI associated with the graph is
- called the "graph name" [[RDF11-CONCEPTS]]. </p>
+ called the <a
+ href="http://www.w3.org/TR/2014/REC-rdf11-concepts-20140225/#section-dataset">graph
+ name</a>. </p>
<p>A second graph could be provided by <a
href="http://www.wikidata.org/">Wikidata</a>