add xsd:duration to list of RDF-compatible XSD types
authorRichard Cyganiak <>
Thu, 17 May 2012 18:33:06 +0100
changeset 400 c031fe6272cf
parent 399 a7f534408599
child 401 8650b44c3c0c
add xsd:duration to list of RDF-compatible XSD types
--- a/rdf-concepts/index.html	Wed May 16 17:44:59 2012 -0700
+++ b/rdf-concepts/index.html	Thu May 17 18:33:06 2012 +0100
@@ -798,14 +798,15 @@
     <tr><td><a href=""><code>xsd:dateTime</code></a></td><td>Date and time with or without timezone</td></tr>
     <tr><td><a href=""><code>xsd:dateTimeStamp</code></a></td><td>Date and time with required timezone</td></tr>
-    <tr><th rowspan="7">Recurring and<br />partial dates</th>
+    <tr><th rowspan="8">Recurring and<br />partial dates</th>
         <td><a href=""><code>xsd:gYear</code></a></td><td>Gregorian calendar year</td></tr>
     <tr><td><a href=""><code>xsd:gMonth</code></a></td><td>Gregorian calendar month</td></tr>
     <tr><td><a href=""><code>xsd:gDay</code></a></td><td>Gregorian calendar day of the month</td></tr>
     <tr><td><a href=""><code>xsd:gYearMonth</code></a></td><td>Gregorian calendar year and month</td></tr>
     <tr><td><a href=""><code>xsd:gMonthDay</code></a></td><td>Gregorian calendar month and day</td></tr>
-    <tr><td><a href=""><code>xsd:yearMonthDuration</code></a></td><td>Duration of time (months and years)</td></tr>
-    <tr><td><a href=""><code>xsd:dayTimeDuration</code></a></td><td>Duration of time (days, hours, minutes, seconds)</td></tr>
+    <tr><td><a href=""><code>xsd:duration</code></a></td><td>Duration of time</td></tr>
+    <tr><td><a href=""><code>xsd:yearMonthDuration</code></a></td><td>Duration of time (months and years only)</td></tr>
+    <tr><td><a href=""><code>xsd:dayTimeDuration</code></a></td><td>Duration of time (days, hours, minutes, seconds only)</td></tr>
     <tr><th rowspan="12">Limited-range<br />integer numbers</th>
         <td><a href=""><code>xsd:byte</code></a></td><td>-128…+127 (8 bit)</td></tr>
@@ -842,8 +843,6 @@
     <div class="note">
-    <li><a href=""><code>xsd:duration</code></a>
-    does not have a well-defined value space.</li>
     <li><a href=""><code>xsd:QName</code></a> 
     <a href=""><code>xsd:ENTITY</code></a> 
@@ -863,12 +862,6 @@
-    <p class="issue">
-    <code><a href="">xsd:duration</a></code>
-    is noted above as being unsuitable for use in RDF. The design of the type
-    has changed in XSD 1.1, so this should be reviewed. This is
-    <a href="">ISSUE-88</a>.</p>
@@ -1142,6 +1135,7 @@
   <h2>Changes from RDF 2004</h2>
+    <li>2012-05-17: Added <a href=""><code>xsd:duration</code></a> to list of <a>RDF-compatible XSD types</a> (<a href="">ISSUE-88</a>)</li>
     <li>2012-05-14: Replaced the example graph diagram in <a href="#data-model">Section 1.1</a> with a re-drawn SVG version, with support from Dominik Tomaszuk</li>
     <li>2012-05-10: New <a href="#conformance">Conformance section</a> to explain that this specification is not implemented directly, but through other specifications that use our definitions</li>
     <li>2012-05-10: Simplified <code><a>rdf:XMLLiteral</a></code>'s new value space slightly after feedback from Ivan Herman and Arnaud Le Hors.</li>