Future Research Directions in Social Recommendation

From the tutorial published by Martin Ester in RecSys 2013

Future Research Directions

--Recommendation in heterogeneous networks with more than 2 entity types

   --How to recommend entities of one type to entities of another type?

--Explanation of social recommendations

  --A. Papadimitriou, P. Symeonidis, Y. Manolopoulos: A generalized taxonomy of explanations styles for traditional and social recommender systems, Data Mining and     Knowledge Discovery, 24(3), 555- 583, 2012.

  --explanations in recommender systems, WWW 2013

--How to preserve privacy when employing social networks?

--Recommendation in mobile social networks
  --Can we develop distributed algorithms?
  -- How to exploit the user location?
--Recommendation in social networks with user-generated content
   --How can we integrate topic models?