docker-materio/Docker/solr/server/configsets/sample_techproducts_configs/conf/clustering/carrot2/stc-attributes.xml

<!-- 
  Default configuration for the STC clustering algorithm.

  This file can be loaded (and saved) by Carrot2 Workbench.
  http://project.carrot2.org/download.html
-->
<attribute-sets default="attributes">
    <attribute-set id="attributes">
      <value-set>
        <label>attributes</label>
          <attribute key="MultilingualClustering.defaultLanguage">
            <value type="org.carrot2.core.LanguageCode" value="ENGLISH"/>
          </attribute>
          <attribute key="MultilingualClustering.languageAggregationStrategy">
            <value type="org.carrot2.text.clustering.MultilingualClustering$LanguageAggregationStrategy" value="FLATTEN_MAJOR_LANGUAGE"/>
          </attribute>
      </value-set>
  </attribute-set>
</attribute-sets>