最近看了一些结合社会关系的推荐系统，把论文罗列一下：

(TidalTrust) Generating predictive movie recommendations from trust in social networks. Springer'06

Trust-aware recommender systems. RecSys'07

TrustWalker: a random walk model for combining trust-based and item-based recommendation.KDD'09

(SocialMF) A Matrix Factorization Technique with Trust Propagation for Recommendation in Social Networks. RecSys'10

Product recommendation and rating prediction based on multi-modal social networks.Proceedings of the fifth ACM conference on Recommender systems 2011

Factorization vs . Regularization: Fusing  Heterogeneous Social Relationships in Top-N Recommendation. RecSys'11

Heterogeneous Data Fusion via Matrix Factorization for Augmenting Item, Group and Friend Recommendations. SAC'13

Hao Ma等人

(SoRec): Social Recommendation Using Probabilistic Matrix Factorization. CIKM'08

Learning to Recommend with Social Trust Ensemble. SIRGIR‘09

Learning to Recommend with trust and distrust relationships. RecSys'09

(SoReg) Recommender Systems with Social Regularization. WSDM’11

Improving Recommender Systems by Incorporating Social Contextual Information. ACM Transactions on Information Systems (TOIS'11)

Social Contextual Recommendation. CIKM'12

Circle-based Recommendation in Online Social Networks. KDD'12

Exploring Social Influence for Recommendation-A Generative Model Approach. SIRGIR'12

New Objective Functions for Social Collaborative Filtering. WWW'12

Soco:A Social Network Aided Context-aware Recommender System. WWW'13

Social Recommendation：A Review. ACM Trans. Intel. Syst. Technol. 4, 1, Article 16, 2013(综述性文章)