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<h1>UMLS Database Query Diagrams:<br />How to perform searches for content view metadata concepts</h1>
<p><img src="images/er11_cvf.gif" alt="How to perform searches for content view metadata concepts graph" /></p>
<p>This diagram shows how to perform searches for content view metadata concepts. Content views are pre-computed subsets of the UMLS that are useful for specific purposes. Each content view contained within the UMLS is also represented as a concept in the UMLS. These concepts contain atoms with SAB = 'MTH' and TTY = 'CV'. The STR of the CV atom is the "name" of the content view. These atoms are associated with a variety of attributes (found in MRSAT.RRF) that provide the content view metadata.</p>
<p>Corresponding Oracle Queries:</p>
<p>1. Find atoms of MetaMap NLP View content view concept.</p>
<p>SELECT * FROM mrconso<br />WHERE sab = 'MTH'<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AND tty = 'CV'<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AND str = 'MetaMap NLP View';</p>
<p>2. Find semantic type of MetaMap NLP View content view concept.<br />The join on MRCONSO.RRF is not necessary, but it provides access to fields of the atom that may be useful.</p>
<p>SELECT * FROM mrconso a, mrsty b<br />WHERE a.sab = 'MTH'<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AND a.tty = 'CV'<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AND a.str = 'MetaMap NLP View'<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AND a.cui = b.cui;</p>
<p>3. Find attributes of MetaMap NLP View content view concept.<br />The join on MRCONSO.RRF is not necessary, but it provides access to fields of the atom that may be useful.</p>
<p>SELECT * FROM mrconso a, mrsat b<br />WHERE a.sab = 'MTH'<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AND a.tty = 'CV'<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AND a.str = 'MetaMap NLP View'<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AND a.cui = b.cui;</p>
<p>4. Find atoms that are members of the MetaMap NLP content view (using CV_CODE attribute).</p>
<p>SELECT c.* FROM mrconso a, mrsat b, mrconso c<br />WHERE a.sab = 'MTH'<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AND a.tty = 'CV'<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AND a.str = 'MetaMap NLP View'<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AND a.cui = b.cui<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AND b.atn = 'CV_CODE'<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AND BITAND(c.cvf,to_number(b.atv)) != 0;</p>
<p class=”margin-top-5”><small>Last Reviewed: July 29, 2016</small></p>
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