code: public void setDBPedia(String dbpedia) {
      if(dbpedia != null) {
        dbpedia = dbpedia.trim();
      }
      this.dbpedia = dbpedia;
    }
docs: Set link to DBpedia.  Note: Provided only for entities that exist in this
  that exist in this linked data-set.
  
  @param dbpedia link to DBpedia