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<compound-subject-part> Compound Subject Part Name

Individual component of a multi-part subject (for example, subject term, code for the term).

Usage/Remarks

Attribute Best Practice

The @content-type attribute should be used to indicate the type of the various subject parts, for example, “text”, “value”, “description”, “code”, “sponsor”, “taxonomy number”, etc.
Related Elements
One <compound-subject-part> element is used to mark each component of a complex subject that is contained within a <compound-subject>.
Attributes
content-type

Base Attributes

id
xml:base
Models and Context
May be contained in
<compound-subject>
Description
Any combination of:
Content Model
<!ELEMENT  compound-subject-part
                        (#PCDATA %compound-subject-part-elements;)*  >
Expanded Content Model

(#PCDATA | bold | fixed-case | italic | monospace | num | overline | roman | sans-serif | sc | strike | underline | ruby | alternatives | inline-code | inline-graphic | inline-media | private-char | chem-struct | inline-formula | named-content | styled-content | sub | sup)*

Tagged Samples
IPC subject codes/descriptions 
...
<subj-group vocab="ipc">
 <compound-subject>
  <compound-subject-part content-type="code">B82B1/00</compound-subject-part>
  <compound-subject-part content-type="value">Nano structures</compound-subject-part>
 </compound-subject>

 <compound-subject>
  <compound-subject-part content-type="code">H01L21/02</compound-subject-part>
  <compound-subject-part content-type="value">Manufacture or treatment of 
   semiconductor devices or of parts thereof</compound-subject-part>
 </compound-subject>
</subj-group>
...
UNSPSC codes with their descriptions given using <compound-subject> 
...
<subj-group vocab="UNSPSC">
 <compound-subject>
  <compound-subject-part content-type="code">30102204</compound-subject-part>
  <compound-subject-part content-type="value">Steel Plate</compound-subject-part>
 </compound-subject>
</subj-group>
...