return "SemanticType"+(semanticTypeId==null ? ":Hash"+this.hashCode() : ":"+semanticTypeId);
return "SemanticType"+(semanticTypeId==null ? ":Hash_"+this.hashCode() : ":Id_"+semanticTypeId);
  public String toString(){	return "SemanticType"+(semanticTypeId==null ? ":Hash"+this.hashCode() : ":"+semanticTypeId);  }