protected virtual IEnumerable <TransformedArticleData> GetTransformedArticles(PredictionEngine <ArticleData, TransformedArticleData> predictionEngine, string personId, string language)
 {
     foreach (var articles in _articleQueryRepository.GetAll(language))
     {
         foreach (var article in articles)
         {
             var transformedText = predictionEngine.Predict(ArticleData.Transform(article));
             yield return(transformedText);
         }
     }
 }