Unstructured Keyword Group

Container element for one set of keywords used to describe a document, where the individual keywords are not tagged as separate <kwd>s but instead are all run together in one long text field.


For a detailed discussion on the use of <unstructured-kwd-group>, see Keywords.

For a complete discussion of keywords, see .

For a detailed discussion on the use of the <unstructured-kwd-group>, see the Common Tagging Practice Chapter.


id Identifier
kwd-group-type Keyword Authority
xml:lang Language

Content Model

<!ELEMENT  unstructured-kwd-group    
                        (#PCDATA %unstructured-kwd-group-elements;)* >

Expanded Content Model

(#PCDATA | email | ext-link | uri | inline-supplementary-material | related-article | related-object | hr | bold | italic | monospace | overline | overline-start | overline-end | roman | sans-serif | sc | strike | underline | underline-start | underline-end | alternatives | inline-graphic | private-char | chem-struct | inline-formula | tex-math | mml:math | abbrev | milestone-end | milestone-start | named-content | styled-content | fn | target | xref | sub | sup | x)*


Any combination of:

This element may be contained in:



<kwd-group kwd-group-type="author">
<unstructured-kwd-group>molecular chaperones, surface plasmon
resonance, dynamic light scattering, trypsin digestion, citrate
synthase, <italic>Neurospora crassa</italic>, prot&eacute;ines
chaperonnes, r&eacute;sonance des plasmons de surface, diffusion
dynamique de la lumi&egrave;re, digestion par la trypsine, citrate
synthase, <italic>Neurospora crassa</italic></unstructured-kwd-group>