Words or phrases that describe salient aspects of a data collection's content. Can be used for building keyword indexes and for classification and retrieval purposes. A controlled vocabulary can be employed. Maps to Dublin Core Subject element. PLEASE NOTE A CHANGE IN USAGE INSTRUCTIONS: The string content of the element now contains the language specific label obtained from the controlled vocabulary. This allows for multiple languages through the repeated entry of the "concept" element. See the high level documentation for a complete description of usage.
<keyword vocab="ICPSR Subject Thesaurus" vocabURI="http://www.icpsr.umich.edu/thesaurus/subject.html" vocabInstanceURI="http://www.icpsr.umich.edu/thesaurus/subject#qualityOfLife">quality of life</keyword>
<keyword vocab="ICPSR Subject Thesaurus" vocabURI="http://www.icpsr.umich.edu/thesaurus/subject.html" vocabInstanceURI="http://www.icpsr.umich.edu/thesaurus/subject#family">family</keyword>
<keyword vocab="ICPSR Subject Thesaurus" vocabURI="http://www.icpsr.umich.edu/thesaurus/subject.html" vocabInstanceURI="http://www.icpsr.umich.edu/thesaurus/subject#careerGoals">career goals</keyword>