[1]
[CITE@en[XQuery 1.0 and XPath 2.0 Data Model (XDM)]] ([CODE[2007-01-23 07:26:51 +09:00]] 版) <http://www.w3.org/TR/2007/REC-xpath-datamodel-20070123/>
([[名無しさん]] [WEAK[2007-01-27 05:01:03 +00:00]])


[2]
[CITE@en[XQuery 1.0 and XPath 2.0 Data Model (XDM) (Second Edition)]] ([TIME[2009-04-21 05:30:00 +09:00]] 版) <http://www.w3.org/TR/2009/PER-xpath-datamodel-20090421/>

[3] [CITE@en[XQuery and XPath Data Model 1.1]]
([TIME[2009-12-15 03:50:45 +09:00]] 版)
<http://www.w3.org/TR/2009/WD-xpath-datamodel-11-20091215/>