[1] XQuery 1.0 and XPath 2.0 Data Model (XDM) (Second Edition) ( (2010-12-17 00:06:35 +09:00 版)) http://www.w3.org/TR/2010/REC-xpath-datamodel-20101214/#dt-fragment

[2] Web Services Fragment (WS-Fragment) ( (2011-12-13 17:58:12 +09:00 版)) http://www.w3.org/TR/2011/REC-ws-fragment-20111213/#terminology

[4] DAISY ANSI/NISO Z39.86-2002 - The DAISY Consortium, 2023-11-26T06:00:13.000Z https://daisy.org/info-help/document-archive/archived-projects/daisy-ansi-niso-z39-86-2002-archived/#BKMKDTD

[5] >>4 SMIL や音声の部分を識別できるもの。