From c6db0364c1b1ee1d1313a7c9628c0d310c3313e9 Mon Sep 17 00:00:00 2001
From: Daniel Davis <daniel.davis@nih.gov>
Date: Wed, 16 Sep 2015 14:21:07 -0400
Subject: [PATCH 01/12] Change version back to 0.9.1-dev

---
 meta/vocabulary.ttl | 2 +-
 meta/void.ttl       | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/meta/vocabulary.ttl b/meta/vocabulary.ttl
index bd32e205..f1680283 100644
--- a/meta/vocabulary.ttl
+++ b/meta/vocabulary.ttl
@@ -9,7 +9,7 @@
 
 <http://id.nlm.nih.gov/mesh/vocab#> rdf:type :Ontology ;
                                     
-                                    :versionInfo "0.9" .
+                                    :versionInfo "0.9.1-dev" .
 
 
 #################################################################
diff --git a/meta/void.ttl b/meta/void.ttl
index 5b8dd4bd..797fb84e 100644
--- a/meta/void.ttl
+++ b/meta/void.ttl
@@ -15,7 +15,7 @@
     dcterms:creator "U.S. National Library of Medicine" ;
     dcterms:date "2014-11-01"^^xsd:date ;
     foaf:primaryTopic <http://id.nlm.nih.gov/mesh/void#MeSHRDF> ;
-    owl:versionInfo "0.9" .
+    owl:versionInfo "0.9.1-dev" .
 
 
 # Metadata description of the Dataset

From 223850ecd936e2ca81a3c1673315efd29f9f7f5b Mon Sep 17 00:00:00 2001
From: Daniel Davis <daniel.davis@nih.gov>
Date: Tue, 13 Oct 2015 13:31:51 -0400
Subject: [PATCH 02/12] Update scripts for MeSH 2016

---
 bin/fetch-mesh-xml.sh | 23 +++++++++++++++++------
 bin/mesh-xml2rdf.sh   | 11 +++++++++++
 2 files changed, 28 insertions(+), 6 deletions(-)

diff --git a/bin/fetch-mesh-xml.sh b/bin/fetch-mesh-xml.sh
index 19301370..cf818b83 100755
--- a/bin/fetch-mesh-xml.sh
+++ b/bin/fetch-mesh-xml.sh
@@ -1,4 +1,15 @@
-#!/bin/sh -e
+#!/bin/bash 
+
+
+while getopts "h:y:u:" opt; do
+    case $opt in 
+        h) export MESHRDF_HOME=$OPTARG ;;
+        y) export MESHRDF_YEAR=$OPTARG ;;
+        u) export MESHRDF_URI=$OPTARG ;;
+        *) echo "Usage: $0 [-h meshrdf-home] [-y year] [-u uri] [-i]" 1>&2 ; exit 1 ;;
+    esac
+done
+shift $(($OPTIND - 1))
 
 if [ -z "$MESHRDF_HOME" ]; then
     echo "Please define MESHRDF_HOME environment variable" 1>&2
@@ -13,13 +24,13 @@ YEAR=${MESHRDF_YEAR:-2015}
 # Can override default URI with MESHRDF_URI environment variable
 URI=${MESHRDF_URI:-ftp://ftp.nlm.nih.gov/online/mesh/$YEAR}
 
-wget "$URI/desc$YEAR.dtd" -O "$MESHRDF_HOME/data/desc$YEAR.dtd"
 wget "$URI/desc$YEAR.xml" -O "$MESHRDF_HOME/data/desc$YEAR.xml"
-wget "$URI/pa$YEAR.dtd" -O "$MESHRDF_HOME/data/pa$YEAR.dtd"
-wget "$URI/pa$YEAR.xml" -O "$MESHRDF_HOME/data/pa$YEAR.xml"
-wget "$URI/qual$YEAR.dtd" -O "$MESHRDF_HOME/data/qual$YEAR.dtd"
 wget "$URI/qual$YEAR.xml" -O "$MESHRDF_HOME/data/qual$YEAR.xml"
-wget "$URI/supp$YEAR.dtd" -O "$MESHRDF_HOME/data/supp$YEAR.dtd"
 wget "$URI/supp$YEAR.xml" -O "$MESHRDF_HOME/data/supp$YEAR.xml"
 
+if [ $YEAR -le 2015 ]; then
+    wget "$URI/desc$YEAR.dtd" -O "$MESHRDF_HOME/data/desc$YEAR.dtd"
+    wget "$URI/qual$YEAR.dtd" -O "$MESHRDF_HOME/data/qual$YEAR.dtd"
+    wget "$URI/supp$YEAR.dtd" -O "$MESHRDF_HOME/data/supp$YEAR.dtd"
+fi
 
diff --git a/bin/mesh-xml2rdf.sh b/bin/mesh-xml2rdf.sh
index e964b5fc..8a2c39b1 100755
--- a/bin/mesh-xml2rdf.sh
+++ b/bin/mesh-xml2rdf.sh
@@ -30,6 +30,17 @@ else
 fi
 cd $($READLINK -e `dirname $0`/..)
 
+while getopts "h:j:y:u" opt; do
+  case $opt in
+    h) export MESHRDF_HOME=$OPTARG ;;
+    j) export SAXON_JAR=$OPTARG ;;
+    y) export MESHRDF_YEAR=$OPTARG ;; 
+    u) export MESHRDF_URI_YEAR="yes" ;;
+    *) echo "Usage: $0 [-h mesh-rdf-home] [-j saxon-jar-path] [-y year ]" 1>&2 ; exit 1 ;;
+  esac
+done
+shift $(($OPTIND - 1))
+
 # Check for some needed environment variables
 if [ -z "$MESHRDF_HOME" ]; then
     echo "Please define MESHRDF_HOME environment variable" 1>&2

From ece5da915302dc4264511c5e0956f57f7aee1136 Mon Sep 17 00:00:00 2001
From: Daniel Davis <daniel.davis@nih.gov>
Date: Fri, 16 Oct 2015 14:16:20 -0400
Subject: [PATCH 03/12] Provide an rdfs:label for descriptor qualifier pairs

---
 xslt/desc.xsl | 37 +++++++++++++++++++++++++++++++++++--
 1 file changed, 35 insertions(+), 2 deletions(-)

diff --git a/xslt/desc.xsl b/xslt/desc.xsl
index a1811c09..6cd2619e 100755
--- a/xslt/desc.xsl
+++ b/xslt/desc.xsl
@@ -18,6 +18,7 @@
     <xsl:for-each select="DescriptorRecordSet/DescriptorRecord">
 
       <xsl:variable name='descriptor_id' select='DescriptorUI'/>
+      <xsl:variable name='descriptor_label' select='DescriptorName/String'/>
       
       <!--
         Transformation rule: meshv:identifier
@@ -27,7 +28,7 @@
           <xsl:value-of select="$descriptor_id"/>
         </uri>
       </xsl:variable>
-      
+
       <xsl:call-template name='triple'>
         <xsl:with-param name="doc">
           <desc>This relation states that a descriptor record has a unique identifier.</desc>
@@ -82,7 +83,7 @@
           <xsl:copy-of select="$descriptor_uri"/>
           <uri prefix='&rdfs;'>label</uri>
           <literal lang='en'>
-            <xsl:value-of select="DescriptorName/String"/>
+            <xsl:value-of select='$descriptor_label'/>
           </literal>
         </xsl:with-param>
       </xsl:call-template>
@@ -129,6 +130,22 @@
           </xsl:with-param>
         </xsl:call-template>
 
+        <!--
+          Give it a label
+        -->
+        <xsl:call-template name='triple'>
+          <xsl:with-param name="doc">
+            <desc>Provide a name for the AllowedDescriptorQualifierPair</desc>
+          </xsl:with-param>
+          <xsl:with-param name="spec">
+            <xsl:copy-of select='$dqpair_uri'/>
+            <uri prefix='&rdfs;'>label</uri>
+            <literal lang='en'>
+              <xsl:value-of select="concat($descriptor_label, '/', QualifierReferredTo/QualifierName/String)"/>
+            </literal>
+          </xsl:with-param>
+        </xsl:call-template>
+
         <!-- 
           Link it back to the descriptor
         -->
@@ -200,6 +217,22 @@
           </xsl:with-param>
         </xsl:call-template>
         
+        <!-- 
+          Give it a label
+        -->
+        <xsl:call-template name='triple'>
+          <xsl:with-param name="doc">
+            <desc>Provide a label for the DisallowedDescriptorQualifierPair.</desc>
+          </xsl:with-param>
+          <xsl:with-param name="spec">
+            <xsl:copy-of select='$ecin_uri'/>
+            <uri prefix='&rdfs;'>label</uri>
+            <literal lang='en'>
+              <xsl:value-of select="concat(ECIN/DescriptorReferredTo/DescriptorName/String,
+                                           '/', ECIN/QualifierReferredTo/QualifierName/String)"/>
+            </literal>
+          </xsl:with-param>
+        </xsl:call-template>
         <!-- 
           Link it back to the descriptor
         -->

From c10d40165655c424a0f211fda00594f2adcd5f3c Mon Sep 17 00:00:00 2001
From: Daniel Davis <daniel.davis@nih.gov>
Date: Mon, 19 Oct 2015 11:01:36 -0400
Subject: [PATCH 04/12] Convert <NLMClassificationNumber> to
 meshv:nlmClassificationNumber

- This addresses #HHS/mesh-rdf/198.
---
 xslt/desc.xsl | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/xslt/desc.xsl b/xslt/desc.xsl
index 6cd2619e..3b6072de 100755
--- a/xslt/desc.xsl
+++ b/xslt/desc.xsl
@@ -174,7 +174,25 @@
           </xsl:with-param>
         </xsl:call-template>        
       </xsl:for-each>
-      
+
+      <!--
+        NLMClassificationNumber
+      -->
+      <xsl:if test="NLMClassificationNumber">
+        <xsl:call-template name='triple'>
+          <xsl:with-param name="doc">
+            <desc>Each descriptor may have an NLMClassificationNumber.</desc>
+          </xsl:with-param>
+          <xsl:with-param name='spec'>
+            <xsl:copy-of select="$descriptor_uri"/>
+            <uri prefix='&meshv;'>nlmClassificationNumber</uri>
+            <literal>
+              <xsl:value-of select="NLMClassificationNumber"/>
+            </literal>
+          </xsl:with-param>
+        </xsl:call-template>
+      </xsl:if>
+
       <!--
         Transformation rule: publicMeSHNote
       -->
@@ -193,7 +211,7 @@
           </xsl:with-param>
         </xsl:call-template>
       </xsl:if>
-      
+
       <xsl:for-each select="EntryCombinationList/EntryCombination">
 
         <xsl:variable name='ecin_uri'>

From 233c28b20ac16d27978d9d126c369c77256fd439 Mon Sep 17 00:00:00 2001
From: Daniel Davis <daniel.davis@nih.gov>
Date: Mon, 19 Oct 2015 11:09:05 -0400
Subject: [PATCH 05/12] Bump version to 0.9.2-dev in preperation for work on
 nlmClassificationNumber

---
 meta/vocabulary.ttl | 2 +-
 meta/void.ttl       | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/meta/vocabulary.ttl b/meta/vocabulary.ttl
index f1680283..db6b8197 100644
--- a/meta/vocabulary.ttl
+++ b/meta/vocabulary.ttl
@@ -9,7 +9,7 @@
 
 <http://id.nlm.nih.gov/mesh/vocab#> rdf:type :Ontology ;
                                     
-                                    :versionInfo "0.9.1-dev" .
+                                    :versionInfo "0.9.2-dev" .
 
 
 #################################################################
diff --git a/meta/void.ttl b/meta/void.ttl
index 797fb84e..38ee8e07 100644
--- a/meta/void.ttl
+++ b/meta/void.ttl
@@ -15,7 +15,7 @@
     dcterms:creator "U.S. National Library of Medicine" ;
     dcterms:date "2014-11-01"^^xsd:date ;
     foaf:primaryTopic <http://id.nlm.nih.gov/mesh/void#MeSHRDF> ;
-    owl:versionInfo "0.9.1-dev" .
+    owl:versionInfo "0.9.2-dev" .
 
 
 # Metadata description of the Dataset

From feea77e3dc65f018270220c5a68c0bc949769f51 Mon Sep 17 00:00:00 2001
From: Daniel Davis <daniel.davis@nih.gov>
Date: Mon, 19 Oct 2015 11:19:31 -0400
Subject: [PATCH 06/12] Need to bump version to 0.9.3-dev since we've already
 released a 0.9.2 release

---
 meta/vocabulary.ttl | 2 +-
 meta/void.ttl       | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/meta/vocabulary.ttl b/meta/vocabulary.ttl
index db6b8197..90335ae8 100644
--- a/meta/vocabulary.ttl
+++ b/meta/vocabulary.ttl
@@ -9,7 +9,7 @@
 
 <http://id.nlm.nih.gov/mesh/vocab#> rdf:type :Ontology ;
                                     
-                                    :versionInfo "0.9.2-dev" .
+                                    :versionInfo "0.9.3-dev" .
 
 
 #################################################################
diff --git a/meta/void.ttl b/meta/void.ttl
index 38ee8e07..6da48531 100644
--- a/meta/void.ttl
+++ b/meta/void.ttl
@@ -15,7 +15,7 @@
     dcterms:creator "U.S. National Library of Medicine" ;
     dcterms:date "2014-11-01"^^xsd:date ;
     foaf:primaryTopic <http://id.nlm.nih.gov/mesh/void#MeSHRDF> ;
-    owl:versionInfo "0.9.2-dev" .
+    owl:versionInfo "0.9.3-dev" .
 
 
 # Metadata description of the Dataset

From 398ba54c9a043e9834bfe15cf93aa4dd60b2d801 Mon Sep 17 00:00:00 2001
From: Dan Davis <daniel.davis@nih.gov>
Date: Mon, 19 Oct 2015 13:55:13 -0400
Subject: [PATCH 07/12] Add DatatypeProperty statements for meshv:active,
 meshv:lastActive, and meshv:nlmClassificationNumber

---
 meta/vocabulary.ttl | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/meta/vocabulary.ttl b/meta/vocabulary.ttl
index 90335ae8..22791248 100644
--- a/meta/vocabulary.ttl
+++ b/meta/vocabulary.ttl
@@ -304,6 +304,18 @@ dct:description rdf:type :AnnotationProperty .
 
 
 
+###  http://id.nlm.nih.gov/mesh/vocab#active
+
+<http://id.nlm.nih.gov/mesh/vocab#active> rdf:type :DatatypeProperty ;
+                                          
+                                          rdfs:label "active" ;
+                                          
+                                          dct:description "A property of things indicating whether they still appear in the most recently released MeSH year" ;
+                                          
+                                          rdfs:range xsd:boolean .
+
+
+
 ###  http://id.nlm.nih.gov/mesh/vocab#altLabel
 
 <http://id.nlm.nih.gov/mesh/vocab#altLabel> rdf:type :DatatypeProperty ;
@@ -418,6 +430,18 @@ dct:description rdf:type :AnnotationProperty .
 
 
 
+###  http://id.nlm.nih.gov/mesh/vocab#lastActive
+
+<http://id.nlm.nih.gov/mesh/vocab#lastActive> rdf:type :DatatypeProperty ;
+                                              
+                                              rdfs:label "lastActive" ;
+                                              
+                                              dct:description "The lastActive property value is the IRI for the last years graph that contained the hierarchy." ;
+                                              
+                                              rdfs:range xsd:anyURI .
+
+
+
 ###  http://id.nlm.nih.gov/mesh/vocab#lexicalTag
 
 <http://id.nlm.nih.gov/mesh/vocab#lexicalTag> rdf:type :DatatypeProperty ;
@@ -428,6 +452,16 @@ dct:description rdf:type :AnnotationProperty .
 
 
 
+###  http://id.nlm.nih.gov/mesh/vocab#nlmClassificationNumber
+
+<http://id.nlm.nih.gov/mesh/vocab#nlmClassificationNumber> rdf:type :DatatypeProperty ;
+                                                           
+                                                           rdfs:label "nlmClassificationNumber" ;
+                                                           
+                                                           dct:description "Each MeSH Descriptor has a corresponding class number in the NLM Classification.  This classification is similar to the Library of Congress Classification (LCC)." .
+
+
+
 ###  http://id.nlm.nih.gov/mesh/vocab#note
 
 <http://id.nlm.nih.gov/mesh/vocab#note> rdf:type :DatatypeProperty ;

From 5e8ec2311e1042990b6cae1379578be2debf24e9 Mon Sep 17 00:00:00 2001
From: Daniel Davis <daniel.davis@nih.gov>
Date: Thu, 12 Nov 2015 15:20:00 -0500
Subject: [PATCH 08/12] Update fetch-mesh-xml.sh and mesh-xml2rdf.sh to use
 2016 by default.

---
 bin/fetch-mesh-xml.sh | 2 +-
 bin/mesh-xml2rdf.sh   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/bin/fetch-mesh-xml.sh b/bin/fetch-mesh-xml.sh
index cf818b83..7caeb928 100755
--- a/bin/fetch-mesh-xml.sh
+++ b/bin/fetch-mesh-xml.sh
@@ -19,7 +19,7 @@ fi
 mkdir -p "$MESHRDF_HOME/data"
 
 # CAn override default year with MESHRDF_YEAR environment variable
-YEAR=${MESHRDF_YEAR:-2015}
+YEAR=${MESHRDF_YEAR:-2016}
 
 # Can override default URI with MESHRDF_URI environment variable
 URI=${MESHRDF_URI:-ftp://ftp.nlm.nih.gov/online/mesh/$YEAR}
diff --git a/bin/mesh-xml2rdf.sh b/bin/mesh-xml2rdf.sh
index 8a2c39b1..9e83af1b 100755
--- a/bin/mesh-xml2rdf.sh
+++ b/bin/mesh-xml2rdf.sh
@@ -53,7 +53,7 @@ if [ -z "$SAXON_JAR" ]; then
 fi
 
 # Can override default year with MESHRDF_YEAR environment variable
-YEAR=${MESHRDF_YEAR:-2015}
+YEAR=${MESHRDF_YEAR:-2016}
 
 # Set the output file name, and the parameter that controls the RDF URIs,
 # according to whether or not MESHRDF_URI_YEAR is "yes"

From a3c351dc5ec85ca7ed3b9336ecc0cee6cc446f5b Mon Sep 17 00:00:00 2001
From: Daniel Davis <daniel.davis@nih.gov>
Date: Fri, 13 Nov 2015 12:22:11 -0500
Subject: [PATCH 09/12] Update the vocabulary.ttl to change meshv:lastActive to
 meshv:lastActiveYear

---
 meta/vocabulary.ttl | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/meta/vocabulary.ttl b/meta/vocabulary.ttl
index 22791248..da641cf6 100644
--- a/meta/vocabulary.ttl
+++ b/meta/vocabulary.ttl
@@ -310,7 +310,7 @@ dct:description rdf:type :AnnotationProperty .
                                           
                                           rdfs:label "active" ;
                                           
-                                          dct:description "A property of things indicating whether they still appear in the most recently released MeSH year" ;
+                                          dct:description "A property of MeSH objects indicating whether they still appear in the current version of the most recently released MeSH year" ;
                                           
                                           rdfs:range xsd:boolean .
 
@@ -432,13 +432,13 @@ dct:description rdf:type :AnnotationProperty .
 
 ###  http://id.nlm.nih.gov/mesh/vocab#lastActive
 
-<http://id.nlm.nih.gov/mesh/vocab#lastActive> rdf:type :DatatypeProperty ;
+<http://id.nlm.nih.gov/mesh/vocab#lastActiveYear> rdf:type :DatatypeProperty ;
                                               
-                                              rdfs:label "lastActive" ;
+                                              rdfs:label "lastActiveYear" ;
                                               
-                                              dct:description "The lastActive property value is the IRI for the last years graph that contained the hierarchy." ;
+                                              dct:description "The lastActiveYear property value is the year in which the subject last appeared.  If that year is still hosted, a new URI can be constructed." ;
                                               
-                                              rdfs:range xsd:anyURI .
+                                              rdfs:range xsd:string .
 
 
 

From f341214e4e14390ad32be8a03ae27e35f8e4bb5c Mon Sep 17 00:00:00 2001
From: Daniel Davis <daniel.davis@nih.gov>
Date: Thu, 19 Nov 2015 14:10:36 -0500
Subject: [PATCH 10/12] Change the :versionInfo of vocabulary.ttl and void.ttl
 to 0.9.3

---
 meta/vocabulary.ttl |  2 +-
 meta/void.ttl       | 14 +++-----------
 2 files changed, 4 insertions(+), 12 deletions(-)

diff --git a/meta/vocabulary.ttl b/meta/vocabulary.ttl
index da641cf6..6349c0f1 100644
--- a/meta/vocabulary.ttl
+++ b/meta/vocabulary.ttl
@@ -9,7 +9,7 @@
 
 <http://id.nlm.nih.gov/mesh/vocab#> rdf:type :Ontology ;
                                     
-                                    :versionInfo "0.9.3-dev" .
+                                    :versionInfo "0.9.3" .
 
 
 #################################################################
diff --git a/meta/void.ttl b/meta/void.ttl
index 6da48531..54e57cb1 100644
--- a/meta/void.ttl
+++ b/meta/void.ttl
@@ -57,15 +57,7 @@
     void:exampleResource <http://id.nlm.nih.gov/mesh/D000001> ;
 
 # FTP dump file
-    void:dataDump "ftp://ftp.nlm.nih.gov/online/mesh/2014/desc2014.nt" ;
-    void:dataDump "ftp://ftp.nlm.nih.gov/online/mesh/2014/qual2014.nt" ;
-    void:dataDump "ftp://ftp.nlm.nih.gov/online/mesh/2014/supp2014.nt" ;
+    void:dataDump "ftp://ftp.nlm.nih.gov/online/mesh/mesh.nt" ;
+    void:dataDump "ftp://ftp.nlm.nih.gov/online/mesh/2016/mesh2016.nt" ;
+    void:dataDump "ftp://ftp.nlm.nih.gov/online/mesh/2015/mesh2015.nt" .
 
-# triple count
-    void:triples "16644674"^^xsd:long ;
-
-# entity count
-    void:entities "1925662"^^xsd:long ;
-
-# distinct subject
-    void:distinctSubjects "1925662"^^xsd:long .

From db5cd6b2ff17c4cd3433fa2520b011cf226c8922 Mon Sep 17 00:00:00 2001
From: Daniel Davis <daniel.davis@nih.gov>
Date: Thu, 19 Nov 2015 14:14:43 -0500
Subject: [PATCH 11/12] Forgot the 0.9.3 version when taking out counts of
 triples.

---
 meta/void.ttl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/meta/void.ttl b/meta/void.ttl
index 54e57cb1..6b6a6c1b 100644
--- a/meta/void.ttl
+++ b/meta/void.ttl
@@ -15,7 +15,7 @@
     dcterms:creator "U.S. National Library of Medicine" ;
     dcterms:date "2014-11-01"^^xsd:date ;
     foaf:primaryTopic <http://id.nlm.nih.gov/mesh/void#MeSHRDF> ;
-    owl:versionInfo "0.9.3-dev" .
+    owl:versionInfo "0.9.3" .
 
 
 # Metadata description of the Dataset

From cf68e98b86117f1897a4eda7c2514e56a30302d1 Mon Sep 17 00:00:00 2001
From: Daniel Davis <daniel.davis@nih.gov>
Date: Thu, 19 Nov 2015 14:18:02 -0500
Subject: [PATCH 12/12] Noticed on review of pull request that
 meshv:nlmClassicifationNumber needed a range.

---
 meta/vocabulary.ttl | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/meta/vocabulary.ttl b/meta/vocabulary.ttl
index 6349c0f1..85ac6e56 100644
--- a/meta/vocabulary.ttl
+++ b/meta/vocabulary.ttl
@@ -458,7 +458,9 @@ dct:description rdf:type :AnnotationProperty .
                                                            
                                                            rdfs:label "nlmClassificationNumber" ;
                                                            
-                                                           dct:description "Each MeSH Descriptor has a corresponding class number in the NLM Classification.  This classification is similar to the Library of Congress Classification (LCC)." .
+                                                           dct:description "Each MeSH Descriptor has a corresponding class number in the NLM Classification.  This classification is similar to the Library of Congress Classification (LCC).";
+
+                                                           rdfs:range xsd:string .