14. The method of claim 13 , wherein determining the first ranking score for the first article comprises: determining a first initial ranking score for the first article as a search result for the search query; and calculating a mathematical function comprising the first initial ranking score and the first selection score.
14. The method of claim 13 , wherein determining the first ranking score for the first article comprises: determining a first initial ranking score for the first article as a search result for the search query; and calculating a mathematical function comprising the first initial ranking score and the first selection score. 15. The method of claim 14 , wherein calculating the mathematical function comprising the first initial ranking score and the first selection score comprises combining the first initial ranking score and the first selection score, weighted with at least one weighting factor.