diff --git a/conf/parser/mtas/test_iso_tei.xml b/conf/parser/mtas/test_iso_tei.xml
deleted file mode 100644
index 92742e6..0000000
--- a/conf/parser/mtas/test_iso_tei.xml
+++ /dev/null
@@ -1,195 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<mtas>
-
-	<!-- START MTAS INDEX CONFIGURATION -->
-	<index>
-		<!-- START GENERAL SETTINGS MTAS INDEX PROCESS -->
-		<payload index="true" />
-		<offset index="true" />
-		<realoffset index="true" />
-		<parent index="true" />
-		<!-- END GENERAL SETTINGS MTAS INDEX PROCESS -->
-	</index>
-	<!-- END MTAS INDEX CONFIGURATION -->
-
-	<!-- START CONFIGURATION MTAS ISO/TEI PARSER -->
-	<parser name="mtas.analysis.parser.MtasTEIParser">
-
-		<!-- START GENERAL SETTINGS MTAS ISO/TEI PARSER -->
-		<autorepair value="true" />
-		<makeunique value="true" />
-		<!-- END GENERAL SETTINGS MTAS ISO/TEI PARSER -->
-
-		<!-- START VARIABLES -->
-		<variables>
-			<variable name="when" value="interval">
-				<value>
-					<item type="attribute" name="interval" />
-				</value>
-			</variable>
-			<variable name="person" value="sex">
-				<value>
-					<item type="attribute" name="sex" />
-				</value>
-			</variable>
-		</variables>
-		<!-- END VARIABLES -->
-
-		<!-- START REFERENCES -->
-		<!-- END REFERENCES -->
-
-		<!-- START MAPPINGS -->
-		<mappings>
-
-			<!-- START WORDS -->
-			<mapping type="word" name="w" start="#" end="#">
-				<token type="string" offset="false" realoffset="false" parent="true">
-					<pre>
-						<item type="string" value="w" />
-					</pre>
-					<post>
-						<item type="text" />
-					</post>
-				</token>
-				<token type="string" offset="false" realoffset="false" parent="false">
-					<pre>
-						<item type="string" value="w_lc" />
-					</pre>
-					<post>
-						<item type="text" filter="ascii,lowercase" />
-					</post>
-				</token>
-				<token type="string" offset="false" realoffset="false" parent="true">
-          <pre>
-            <item type="string" value="w.id" />
-          </pre>
-          <post>
-            <item type="attribute" name="#" />
-          </post>
-        </token>
-			</mapping>
-			<mapping type="word" name="anchor" start="synch" end="synch">
-				<token type="string" offset="false" realoffset="false" parent="false">
-					<pre>
-						<item type="name" />
-						<item type="string" value=".time" />
-					</pre>
-					<post>
-						<item type="variableFromAttribute" name="interval" value="synch" />
-					</post>
-				</token>
-			</mapping>
-			<mapping type="word" name="pause">
-        <token type="string" offset="false" realoffset="false" parent="false">
-          <pre>
-            <item type="name" />
-          </pre>
-          <post>
-            <item type="attribute" name="type" />
-          </post>
-        </token>
-      </mapping>
-      <mapping type="word" name="vocal"></mapping>
-      <mapping type="word" name="incident"></mapping>
-			<!-- END WORDS -->
-
-			<!-- START WORD ANNOTATIONS -->
-			<mapping type="wordAnnotation" name="desc">
-        <token type="string" offset="false" realoffset="false" parent="false">
-          <pre>
-            <item type="ancestorWordName" />
-          </pre>
-          <post>
-            <item type="text" />
-          </post>
-        </token>        
-      </mapping>
-			<!-- END WORD ANNOTATIONS -->
-
-			<!-- START RELATIONS -->
-			<!-- END RELATIONS -->
-
-
-			<!-- START GROUPS -->
-			<mapping type="group" name="annotationBlock" start="start"
-				end="end">
-				<token type="string" offset="false" realoffset="false" parent="false">
-					<pre>
-						<item type="name" />
-						<item type="string" value=".interval" />
-					</pre>
-					<post>
-						<item type="variableFromAttribute" name="interval" value="start" />
-						<item type="variableFromAttribute" name="interval" value="end"
-							prefix=" - " />
-					</post>
-				</token>
-				<token type="string" offset="false" realoffset="false" parent="false">
-					<pre>
-						<item type="name" />
-						<item type="string" value=".sex" />
-					</pre>
-					<post>
-						<item type="variableFromAttribute" name="sex" value="who" />
-					</post>
-				</token>
-			</mapping>
-			<mapping type="group" name="u" >
-			  <token type="string" offset="false" realoffset="false" parent="true">
-          <pre>
-            <item type="name" />
-          </pre>
-        </token>
-        <token type="string" offset="false" realoffset="false" parent="true">
-          <pre>
-            <item type="name" />
-            <item type="string" value=".id" />
-          </pre>
-          <post>
-            <item type="attribute" name="#" />
-          </post>
-        </token>
-      </mapping>
-			<!-- END GROUPS -->
-
-			<!-- START GROUP ANNOTATIONS -->
-			<mapping type="groupAnnotation" name="spanGrp">
-			</mapping>
-
-			<mapping type="groupAnnotation" name="span" start="from" end="to">				
-				<token type="string" offset="false" realoffset="false" parent="false">
-					<pre>
-						<item type="name" />
-						<item type="ancestorAttribute" distance="0" name="type"
-							prefix="." />
-						<item type="string" value=".interval" />
-					</pre>
-					<post>
-						<item type="variableFromAttribute" name="interval" value="from" />
-						<item type="variableFromAttribute" name="interval" value="to"
-							prefix=" - " />
-					</post>
-				</token>
-			</mapping>
-
-			<mapping type="groupAnnotation" name="span" start="from" end="to">
-				<token type="string" offset="false" realoffset="false" parent="false">
-					<pre>
-						<item type="ancestorAttribute" distance="0" name="type" />
-					</pre>
-					<post>
-						<item type="text" />
-					</post>
-				</token>				
-			</mapping>
-			
-
-			<!-- END GROUP ANNOTATIONS -->
-
-		</mappings>
-		<!-- END MAPPINGS -->
-		
-	</parser>
-	<!-- END CONFIGURATION MTAS ISO/TEI PARSER -->
-
-</mtas>
diff --git a/docker/isotei-samples/EXMARaLDA_DEMO_ISO_TEI/DE_AnneWill.xml.gz b/docker/isotei-samples/EXMARaLDA_DEMO_ISO_TEI/DE_AnneWill.xml.gz
index de9dd81..a098fdf 100755
--- a/docker/isotei-samples/EXMARaLDA_DEMO_ISO_TEI/DE_AnneWill.xml.gz
+++ b/docker/isotei-samples/EXMARaLDA_DEMO_ISO_TEI/DE_AnneWill.xml.gz
diff --git a/docker/isotei-samples/EXMARaLDA_DEMO_ISO_TEI/DE_ForumWaffenrecht.xml.gz b/docker/isotei-samples/EXMARaLDA_DEMO_ISO_TEI/DE_ForumWaffenrecht.xml.gz
index 5be1ca4..7aa517d 100755
--- a/docker/isotei-samples/EXMARaLDA_DEMO_ISO_TEI/DE_ForumWaffenrecht.xml.gz
+++ b/docker/isotei-samples/EXMARaLDA_DEMO_ISO_TEI/DE_ForumWaffenrecht.xml.gz
diff --git a/docker/isotei-samples/EXMARaLDA_DEMO_ISO_TEI/DE_HartAberFair.xml.gz b/docker/isotei-samples/EXMARaLDA_DEMO_ISO_TEI/DE_HartAberFair.xml.gz
index b3ce52c..ff3ba55 100755
--- a/docker/isotei-samples/EXMARaLDA_DEMO_ISO_TEI/DE_HartAberFair.xml.gz
+++ b/docker/isotei-samples/EXMARaLDA_DEMO_ISO_TEI/DE_HartAberFair.xml.gz
diff --git a/docker/isotei-samples/FOLK_STUTTGART_21_TEI_ISO/FOLK_E_00064_SE_01_T_01_DF_01.xml.gz b/docker/isotei-samples/FOLK_STUTTGART_21_TEI_ISO/FOLK_E_00064_SE_01_T_01_DF_01.xml.gz
index f3c1fdd..1a384b5 100755
--- a/docker/isotei-samples/FOLK_STUTTGART_21_TEI_ISO/FOLK_E_00064_SE_01_T_01_DF_01.xml.gz
+++ b/docker/isotei-samples/FOLK_STUTTGART_21_TEI_ISO/FOLK_E_00064_SE_01_T_01_DF_01.xml.gz
diff --git a/docker/isotei-samples/FOLK_STUTTGART_21_TEI_ISO/FOLK_E_00064_SE_01_T_02_DF_01.xml.gz b/docker/isotei-samples/FOLK_STUTTGART_21_TEI_ISO/FOLK_E_00064_SE_01_T_02_DF_01.xml.gz
index 2e1625a..fd5e9ea 100755
--- a/docker/isotei-samples/FOLK_STUTTGART_21_TEI_ISO/FOLK_E_00064_SE_01_T_02_DF_01.xml.gz
+++ b/docker/isotei-samples/FOLK_STUTTGART_21_TEI_ISO/FOLK_E_00064_SE_01_T_02_DF_01.xml.gz
diff --git a/docker/isotei-samples/FOLK_STUTTGART_21_TEI_ISO/FOLK_E_00064_SE_01_T_03_DF_01.xml.gz b/docker/isotei-samples/FOLK_STUTTGART_21_TEI_ISO/FOLK_E_00064_SE_01_T_03_DF_01.xml.gz
index 2821502..08f9219 100755
--- a/docker/isotei-samples/FOLK_STUTTGART_21_TEI_ISO/FOLK_E_00064_SE_01_T_03_DF_01.xml.gz
+++ b/docker/isotei-samples/FOLK_STUTTGART_21_TEI_ISO/FOLK_E_00064_SE_01_T_03_DF_01.xml.gz