--- a/syntheticPatients/AD_PCHR_1-tmo.rdf	Fri Feb 25 04:17:25 2011 -0500
+++ b/syntheticPatients/AD_PCHR_1-tmo.rdf	Fri Feb 25 04:27:59 2011 -0500
@@ -200,7 +200,7 @@
             <!--indivo:dateMeasured 2009-05-18 ;--><trans:result>
                <SNPResult>
                   <trans:feature rdf:resource="tag:eric@w3.org:2009/tmo/translator#variant_VKOR"/>
-                  <trans:present>true</trans:present>
+                  <trans:present rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</trans:present>
                </SNPResult>
             </trans:result>
          </rdf:Description>
@@ -211,7 +211,7 @@
             <!--indivo:dateMeasured 2009-05-18 ;--><trans:result>
                <SNPResult>
                   <trans:feature rdf:resource="tag:eric@w3.org:2009/tmo/translator#variant_CPC9"/>
-                  <trans:present>true</trans:present>
+                  <trans:present rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</trans:present>
                </SNPResult>
             </trans:result>
          </rdf:Description>
@@ -350,7 +350,7 @@
             <!--indivo:dateMeasured 2009-07-16 ;--><trans:result>
                <SNPResult>
                   <trans:feature rdf:resource="tag:eric@w3.org:2009/tmo/translator#variant_APOE4"/>
-                  <trans:present>true</trans:present>
+                  <trans:present rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</trans:present>
                </SNPResult>
             </trans:result>
          </rdf:Description>

--- a/syntheticPatients/AD_PCHR_2-tmo.rdf	Fri Feb 25 04:17:25 2011 -0500
+++ b/syntheticPatients/AD_PCHR_2-tmo.rdf	Fri Feb 25 04:27:59 2011 -0500
@@ -230,7 +230,7 @@
             <!--indivo:dateMeasured 2004-10-01 ;--><trans:result>
                <SNPResult>
                   <trans:feature rdf:resource="tag:eric@w3.org:2009/tmo/translator#variant_APOE4"/>
-                  <trans:present>true</trans:present>
+                  <trans:present rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</trans:present>
                </SNPResult>
             </trans:result>
          </rdf:Description>
@@ -547,7 +547,7 @@
             <!--indivo:dateMeasured 2008-03-19 ;--><trans:result>
                <SNPResult>
                   <trans:feature rdf:resource="tag:eric@w3.org:2009/tmo/translator#variant_CYP2C19"/>
-                  <trans:present>true</trans:present>
+                  <trans:present rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</trans:present>
                </SNPResult>
             </trans:result>
          </rdf:Description>
@@ -604,7 +604,7 @@
             <!--indivo:dateMeasured 2008-05-17 ;--><trans:result>
                <SNPResult>
                   <trans:feature rdf:resource="tag:eric@w3.org:2009/tmo/translator#variant_RP4-669P10_2"/>
-                  <trans:present>true</trans:present>
+                  <trans:present rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</trans:present>
                </SNPResult>
             </trans:result>
          </rdf:Description>

--- a/syntheticPatients/AD_PCHR_4-tmo.rdf	Fri Feb 25 04:17:25 2011 -0500
+++ b/syntheticPatients/AD_PCHR_4-tmo.rdf	Fri Feb 25 04:27:59 2011 -0500
@@ -203,7 +203,7 @@
             <!--indivo:dateMeasured 2009-07-16 ;--><trans:result>
                <SNPResult>
                   <trans:feature rdf:resource="tag:eric@w3.org:2009/tmo/translator#variant_APOE4"/>
-                  <trans:present>true</trans:present>
+                  <trans:present rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</trans:present>
                </SNPResult>
             </trans:result>
          </rdf:Description>

--- a/syntheticPatients/AD_PCHR_6-tmo.rdf	Fri Feb 25 04:17:25 2011 -0500
+++ b/syntheticPatients/AD_PCHR_6-tmo.rdf	Fri Feb 25 04:27:59 2011 -0500
@@ -146,7 +146,7 @@
             <!--indivo:dateMeasured 2009-07-20 ;--><trans:result>
                <SNPResult>
                   <trans:feature rdf:resource="tag:eric@w3.org:2009/tmo/translator#variant_APOE4"/>
-                  <trans:present>true</trans:present>
+                  <trans:present rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</trans:present>
                </SNPResult>
             </trans:result>
          </rdf:Description>

--- a/syntheticPatients/AD_PCHR_7-tmo.rdf	Fri Feb 25 04:17:25 2011 -0500
+++ b/syntheticPatients/AD_PCHR_7-tmo.rdf	Fri Feb 25 04:27:59 2011 -0500
@@ -133,7 +133,7 @@
             <!--indivo:dateMeasured 2009-01-20 ;--><trans:result>
                <SNPResult>
                   <trans:feature rdf:resource="tag:eric@w3.org:2009/tmo/translator#variant_APOE4"/>
-                  <trans:present>true</trans:present>
+                  <trans:present rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</trans:present>
                </SNPResult>
             </trans:result>
          </rdf:Description>

--- a/syntheticPatients/Indivo2RDFXML.xsl	Fri Feb 25 04:17:25 2011 -0500
+++ b/syntheticPatients/Indivo2RDFXML.xsl	Fri Feb 25 04:27:59 2011 -0500
@@ -237,7 +237,7 @@
    <xsl:variable name="primary-synonym"   select="concat('variant_',translate($primary-synonymL,'>.:@','____'))"/>
    <trans:result><SNPResult>
      <trans:feature><xsl:attribute name="rdf:resource"><xsl:value-of select="concat('tag:eric@w3.org:2009/tmo/translator#', $primary-synonym)"/></xsl:attribute></trans:feature>
-     <trans:present>true</trans:present>
+     <trans:present rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</trans:present>
    </SNPResult></trans:result>
 </xsl:template>