--- a/artifacts/doc/conf/meta-data.xml	Wed Jun 12 10:28:36 2013 +0200
+++ b/artifacts/doc/conf/meta-data.xml	Wed Jun 12 10:34:43 2013 +0200
@@ -458,7 +458,7 @@
         <dc:if test="dc:has-result()">
           <floodmap>
             <dc:for-each>
-              <dc:variable name="combined_desc" expr="concat($facet_description, ' ', $a_creation, ' ', $collection_name)"/>
+              <dc:variable name="combined_desc" expr="concat($facet_description, ' ', dc:date-format('dd.MM.yyyy - H:m:s', $a_creation), ' ', $collection_name)"/>
               <dc:element name="${facet_name}">
                 <dc:attribute name="description" value="${combined_desc}"/>
                 <dc:attribute name="factory" value="winfo"/>
@@ -477,7 +477,7 @@
       <dc:filter expr="$out_name = 'cross_section'">
         <dc:if test="dc:has-result()">
           <waterlevels>
-            <dc:group expr="concat($river, ' ', $a_creation)">
+            <dc:group expr="concat($river, ' ', dc:date-format('dd.MM.yyyy - H:m:s', $a_creation))">
               <dc:comment>Aheinecke: Why is this grouping different from the rest?</dc:comment>
               <longitudinal_section_columns description="{dc:group-key()}">
                 <dc:for-each>
@@ -501,7 +501,7 @@
       <dc:filter expr="$out_name = 'longitudinal_section'">
         <dc:if test="dc:has-result()">
           <waterlevels>
-            <dc:group expr="concat($river, ' ', $a_creation)">
+            <dc:group expr="concat($river, ' ', dc:date-format('dd.MM.yyyy - H:m:s', $a_creation))">
               <dc:comment>Aheinecke: Why is this grouping different from the rest?</dc:comment>
               <longitudinal_section_columns description="{dc:group-key()}">
                 <dc:for-each>
@@ -529,7 +529,7 @@
         starts-with($facet_name, 'fix_reference_events_ls'))">
         <dc:if test="dc:has-result()">
           <waterlevels>
-            <dc:group expr="concat($river, ' ', $a_creation, ' ', $collection_name)">
+            <dc:group expr="concat($river, ' ', dc:date-format('dd.MM.yyyy - H:m:s', $a_creation), ' ', $collection_name)">
               <waterlevels description="{dc:group-key()}">
                 <dc:for-each>
                   <dc:element name="${facet_name}">
@@ -557,7 +557,7 @@
         starts-with($facet_name, 'fix_sector_average_dwt'))">
         <dc:if test="dc:has-result()">
           <waterlevels>
-            <dc:group expr="concat($river, ' ', $a_creation, ' ', $collection_name)">
+            <dc:group expr="concat($river, ' ', dc:date-format('dd.MM.yyyy - H:m:s', $a_creation), ' ', $collection_name)">
               <waterlevels description="{dc:group-key()}">
                 <dc:for-each>
                   <dc:element name="${facet_name}">
@@ -582,7 +582,7 @@
         starts-with($facet_name, 'fix_deviation_dwt'))">
         <dc:if test="dc:has-result()">
           <waterlevels>
-            <dc:group expr="concat($river, ' ', $a_creation, ' ', $collection_name)">
+            <dc:group expr="concat($river, ' ', dc:date-format('dd.MM.yyyy - H:m:s', $a_creation), ' ', $collection_name)">
               <waterlevels description="{dc:group-key()}">
                 <dc:for-each>
                   <dc:element name="${facet_name}">
@@ -605,7 +605,7 @@
       <dc:filter expr="$out_name = 'fix_derivate_curve' and $facet_name = 'fix_derivate_curve'">
         <dc:if test="dc:has-result()">
           <waterlevels>
-            <dc:group expr="concat($river, ' ', $a_creation, ' ', $collection_name)">
+            <dc:group expr="concat($river, ' ', dc:date-format('dd.MM.yyyy - H:m:s', $a_creation), ' ', $collection_name)">
               <waterlevels description="{dc:group-key()}">
                 <dc:for-each>
                   <dc:element name="${facet_name}">
@@ -632,7 +632,7 @@
         $facet_name = 'fix_wq_curve')">
         <dc:if test="dc:has-result()">
           <waterlevels>
-            <dc:group expr="concat($river, ' ', $a_creation, ' ', $collection_name)">
+            <dc:group expr="concat($river, ' ', dc:date-format('dd.MM.yyyy - H:m:s', $a_creation), ' ', $collection_name)">
               <waterlevels description="{dc:group-key()}">
                 <dc:for-each>
                   <dc:element name="${facet_name}">
@@ -675,7 +675,7 @@
       <dc:filter expr="$out_name = 'longitudinal_section' and $facet_name = 'longitudinal_section.w'">
         <dc:if test="dc:has-result()">
           <waterlevels>
-            <dc:group expr="concat($river, ' ', $a_creation, ' ', $collection_name)">
+            <dc:group expr="concat($river, ' ', dc:date-format('dd.MM.yyyy - H:m:s', $a_creation), ' ', $collection_name)">
               <waterlevels description="{dc:group-key()}">
                 <dc:for-each>
                   <dc:variable name="combined_desc" expr="concat($facet_description, ' von KM ',
@@ -720,7 +720,7 @@
         $facet_name = 'bed_longitudinal_section.bed_diameter_sublayer')">
         <dc:if test="dc:has-result()">
           <bed_quality_bed>
-            <dc:group expr="concat($river, ' ', $a_creation, ' ', $collection_name)">
+            <dc:group expr="concat($river, ' ', dc:date-format('dd.MM.yyyy - H:m:s', $a_creation), ' ', $collection_name)">
               <quality-bed description="{dc:group-key()}">
                 <dc:for-each>
                   <dc:element name="${facet_name}">
@@ -744,7 +744,7 @@
         $facet_name = 'bed_longitudinal_section.bedload_diameter'">
         <dc:if test="dc:has-result()">
           <bed_quality_load>
-            <dc:group expr="concat($river, ' ', $a_creation, ' ', $collection_name)">
+            <dc:group expr="concat($river, ' ', dc:date-format('dd.MM.yyyy - H:m:s', $a_creation), ' ', $collection_name)">
               <quality-load description="{dc:group-key()}">
                 <dc:for-each>
                   <dc:element name="${facet_name}">
@@ -769,7 +769,7 @@
          $facet_name = 'bed_longitudinal_section.sediment_density_sublayer')">
         <dc:if test="dc:has-result()">
           <bed_quality_density>
-            <dc:group expr="concat($river, ' ', $a_creation, ' ', $collection_name)">
+            <dc:group expr="concat($river, ' ', dc:date-format('dd.MM.yyyy - H:m:s', $a_creation), ' ', $collection_name)">
               <density description="{dc:group-key()}">
                 <dc:for-each>
                   <dc:element name="${facet_name}">
@@ -794,7 +794,7 @@
         $facet_name = 'bed_longitudinal_section.porosity_sublayer')">
         <dc:if test="dc:has-result()">
           <bed_quality_porosity>
-            <dc:group expr="concat($river, ' ', $a_creation, ' ', $collection_name)">
+            <dc:group expr="concat($river, ' ', dc:date-format('dd.MM.yyyy - H:m:s', $a_creation), ' ', $collection_name)">
               <porosity description="{dc:group-key()}">
                 <dc:for-each>
                   <dc:element name="${facet_name}">
@@ -821,7 +821,7 @@
          $facet_name = 'flow_velocity.mainchannel.filtered')">
         <dc:if test="dc:has-result()">
           <flow-velocity>
-            <dc:group expr="concat($river, ' ', $a_creation, ' ', $collection_name)">
+            <dc:group expr="concat($river, ' ', dc:date-format('dd.MM.yyyy - H:m:s', $a_creation), ' ', $collection_name)">
               <flow description="{dc:group-key()}">
                 <dc:for-each>
                   <dc:element name="${facet_name}">
@@ -844,7 +844,7 @@
       <dc:filter expr="$out_name = 'sedimentload_ls' and starts-with($facet_name, 'sedimentload')">
         <dc:if test="dc:has-result()">
           <sediment-load>
-            <dc:group expr="concat($river, ' ', $a_creation, ' ', $collection_name)">
+            <dc:group expr="concat($river, ' ', dc:date-format('dd.MM.yyyy - H:m:s', $a_creation), ' ', $collection_name)">
               <load description="{dc:group-key()}">
                 <dc:for-each>
                   <dc:element name="${facet_name}">
@@ -868,7 +868,7 @@
         (starts-with($facet_name, 'bedheight_difference.year') or starts-with($facet_name, 'bedheight_difference.epoch'))">
         <dc:if test="dc:has-result()">
           <bedheight-differences>
-            <dc:group expr="concat($river, ' ', $a_creation, ' ', $collection_name)">
+            <dc:group expr="concat($river, ' ', dc:date-format('dd.MM.yyyy - H:m:s', $a_creation), ' ', $collection_name)">
               <difference description="{dc:group-key()}">
                 <dc:for-each>
                   <dc:element name="${facet_name}">
@@ -891,7 +891,7 @@
       <dc:filter expr="$out_name = 'discharge_longitudinal_section' and $facet_name = 'discharge_longitudinal_section.w">
         <dc:if test="dc:has-result()">
           <waterlevels-discharge>
-            <dc:group expr="concat($oid, ' ', $river, ' ', $a_id, ' ', $a_creation, ' ', $collection_name)">
+            <dc:group expr="concat($oid, ' ', $river, ' ', $a_id, ' ', dc:date-format('dd.MM.yyyy - H:m:s', $a_creation), ' ', $collection_name)">
               <discharge description="{dc:group-key()}">
                 <dc:for-each>
                   <dc:element name="${facet_name}">