Using collaborative filtering to weave an information tapestry
Communications of the ACM - Special issue on information filtering
Mining knowledge-sharing sites for viral marketing
Proceedings of the eighth ACM SIGKDD international conference on Knowledge discovery and data mining
Computing and applying trust in web-based social networks
Computing and applying trust in web-based social networks
Trust-aware recommender systems
Proceedings of the 2007 ACM conference on Recommender systems
Feedback effects between similarity and social influence in online communities
Proceedings of the 14th ACM SIGKDD international conference on Knowledge discovery and data mining
Factorization meets the neighborhood: a multifaceted collaborative filtering model
Proceedings of the 14th ACM SIGKDD international conference on Knowledge discovery and data mining
SoRec: social recommendation using probabilistic matrix factorization
Proceedings of the 17th ACM conference on Information and knowledge management
TrustWalker: a random walk model for combining trust-based and item-based recommendation
Proceedings of the 15th ACM SIGKDD international conference on Knowledge discovery and data mining
Learning to recommend with social trust ensemble
Proceedings of the 32nd international ACM SIGIR conference on Research and development in information retrieval
Proceedings of the 2nd International Workshop on Information Heterogeneity and Fusion in Recommender Systems
A generalized stochastic block model for recommendation in social rating networks
Proceedings of the fifth ACM conference on Recommender systems
Product recommendation and rating prediction based on multi-modal social networks
Proceedings of the fifth ACM conference on Recommender systems
CrimeWalker: a recommendation model for suspect investigation
Proceedings of the fifth ACM conference on Recommender systems
Factorization vs. regularization: fusing heterogeneous social relationships in top-n recommendation
Proceedings of the fifth ACM conference on Recommender systems
Adaptive social similarities for recommender systems
Proceedings of the fifth ACM conference on Recommender systems
MyMediaLite: a free recommender system library
Proceedings of the fifth ACM conference on Recommender systems
Power to the people: exploring neighbourhood formations in social recommender system
Proceedings of the fifth ACM conference on Recommender systems
A data-based approach to social influence maximization
Proceedings of the VLDB Endowment
Review recommendation: personalized prediction of the quality of online reviews
Proceedings of the 20th ACM international conference on Information and knowledge management
ETF: extended tensor factorization model for personalizing prediction of review helpfulness
Proceedings of the fifth ACM international conference on Web search and data mining
Multi-relational matrix factorization using bayesian personalized ranking for social network data
Proceedings of the fifth ACM international conference on Web search and data mining
Maximizing product adoption in social networks
Proceedings of the fifth ACM international conference on Web search and data mining
Build your own music recommender by modeling internet radio streams
Proceedings of the 21st international conference on World Wide Web
A transitivity aware matrix factorization model for recommendation in social networks
IJCAI'11 Proceedings of the Twenty-Second international joint conference on Artificial Intelligence - Volume Volume Three
Circle-based recommendation in online social networks
Proceedings of the 18th ACM SIGKDD international conference on Knowledge discovery and data mining
Crowdsourcing recommendations from social sentiment
Proceedings of the First International Workshop on Issues of Sentiment Discovery and Opinion Mining
Spotting trends: the wisdom of the few
Proceedings of the sixth ACM conference on Recommender systems
On top-k recommendation using social networks
Proceedings of the sixth ACM conference on Recommender systems
BlurMe: inferring and obfuscating user gender based on ratings
Proceedings of the sixth ACM conference on Recommender systems
Influential seed items recommendation
Proceedings of the sixth ACM conference on Recommender systems
e-learning recommender system for learners in online social networks through association retrieval
Proceedings of the CUBE International Information Technology Conference
Leveraging tagging for neighborhood-aware probabilistic matrix factorization
Proceedings of the 21st ACM international conference on Information and knowledge management
An empirical comparison of social, collaborative filtering, and hybrid recommenders
ACM Transactions on Intelligent Systems and Technology (TIST) - Special section on twitter and microblogging services, social recommender systems, and CAMRa2010: Movie recommendation in context
Social temporal collaborative ranking for context aware movie recommendation
ACM Transactions on Intelligent Systems and Technology (TIST) - Special section on twitter and microblogging services, social recommender systems, and CAMRa2010: Movie recommendation in context
A hybrid decision approach to detect profile injection attacks in collaborative recommender systems
ISMIS'12 Proceedings of the 20th international conference on Foundations of Intelligent Systems
An analysis of topical proximity in the twitter social graph
SocInfo'12 Proceedings of the 4th international conference on Social Informatics
Expert Systems with Applications: An International Journal
Learning the Strength of the Factors Influencing User Behavior in Online Social Networks
ASONAM '12 Proceedings of the 2012 International Conference on Advances in Social Networks Analysis and Mining (ASONAM 2012)
Proceedings of the 28th Annual ACM Symposium on Applied Computing
A sentiment-enhanced personalized location recommendation system
Proceedings of the 24th ACM Conference on Hypertext and Social Media
Addressing cold-start in app recommendation: latent user models constructed from twitter followers
Proceedings of the 36th international ACM SIGIR conference on Research and development in information retrieval
An experimental study on implicit social recommendation
Proceedings of the 36th international ACM SIGIR conference on Research and development in information retrieval
Learning to recommend with multi-faceted trust in social networks
Proceedings of the 22nd international conference on World Wide Web companion
HeteroMF: recommendation in heterogeneous information networks using context dependent factor models
Proceedings of the 22nd international conference on World Wide Web
TopRec: domain-specific recommendation through community topic mining in social network
Proceedings of the 22nd international conference on World Wide Web
AnchorMF: towards effective event context identification
Proceedings of the 22nd ACM international conference on Conference on information & knowledge management
Context-aware review helpfulness rating prediction
Proceedings of the 7th ACM conference on Recommender systems
Retargeted matrix factorization for collaborative filtering
Proceedings of the 7th ACM conference on Recommender systems
Recommendation via user's personality and social contextual
Proceedings of the 22nd ACM international conference on Conference on information & knowledge management
Nearest neighbour based social recommendation using heat diffusion
Proceedings of the 6th ACM India Computing Convention
Location recommendation in location-based social networks using user check-in data
Proceedings of the 21st ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
Flickr group recommendation based on user-generated tags and social relations via topic model
ISNN'13 Proceedings of the 10th international conference on Advances in Neural Networks - Volume Part II
Utilizing social and behavioral neighbors for personalized recommendation
ISNN'13 Proceedings of the 10th international conference on Advances in Neural Networks - Volume Part II
Exploiting local and global social context for recommendation
IJCAI'13 Proceedings of the Twenty-Third international joint conference on Artificial Intelligence
Social collaborative filtering by trust
IJCAI'13 Proceedings of the Twenty-Third international joint conference on Artificial Intelligence
Web User Trust Relationship Prediction Based on Cloud Model
Proceedings of the Second International Conference on Innovative Computing and Cloud Computing
A Monte Carlo algorithm for cold start recommendation
Proceedings of the 23rd international conference on World wide web
Merging trust in collaborative filtering to alleviate data sparsity and cold start
Knowledge-Based Systems
A survey of collaborative filtering based social recommender systems
Computer Communications
Defending recommender systems by influence analysis
Information Retrieval
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Recommender systems are becoming tools of choice to select the online information relevant to a given user. Collaborative filtering is the most popular approach to building recommender systems and has been successfully employed in many applications. With the advent of online social networks, the social network based approach to recommendation has emerged. This approach assumes a social network among users and makes recommendations for a user based on the ratings of the users that have direct or indirect social relations with the given user. As one of their major benefits, social network based approaches have been shown to reduce the problems with cold start users. In this paper, we explore a model-based approach for recommendation in social networks, employing matrix factorization techniques. Advancing previous work, we incorporate the mechanism of trust propagation into the model. Trust propagation has been shown to be a crucial phenomenon in the social sciences, in social network analysis and in trust-based recommendation. We have conducted experiments on two real life data sets, the public domain Epinions.com dataset and a much larger dataset that we have recently crawled from Flixster.com. Our experiments demonstrate that modeling trust propagation leads to a substantial increase in recommendation accuracy, in particular for cold start users.