The vocabulary problem in human-system communication
Communications of the ACM
Probabilistic latent semantic indexing
Proceedings of the 22nd annual international ACM SIGIR conference on Research and development in information retrieval
Recommender systems in e-commerce
Proceedings of the 1st ACM conference on Electronic commerce
Formal Concept Analysis: Mathematical Foundations
Formal Concept Analysis: Mathematical Foundations
Hybrid Recommender Systems: Survey and Experiments
User Modeling and User-Adapted Interaction
A Triadic Approach to Formal Concept Analysis
ICCS '95 Proceedings of the Third International Conference on Conceptual Structures: Applications, Implementation and Theory
A cluster algorithm for graphs
A cluster algorithm for graphs
The Journal of Machine Learning Research
Evaluating collaborative filtering recommender systems
ACM Transactions on Information Systems (TOIS)
Ontological user profiling in recommender systems
ACM Transactions on Information Systems (TOIS)
IEEE Transactions on Knowledge and Data Engineering
Evolution and Structure of the Internet: A Statistical Physics Approach
Evolution and Structure of the Internet: A Statistical Physics Approach
Proceedings of the 15th international conference on World Wide Web
Beyond streams and graphs: dynamic tensor analysis
Proceedings of the 12th ACM SIGKDD international conference on Knowledge discovery and data mining
Ontologies are us: a unified model of social networks and semantics
ISWC'05 Proceedings of the 4th international conference on The Semantic Web
Information retrieval in folksonomies: search and ranking
ESWC'06 Proceedings of the 3rd European conference on The Semantic Web: research and applications
A finite state model for on-line analytical processing in triadic contexts
ICFCA'05 Proceedings of the Third international conference on Formal Concept Analysis
Connecting users and items with weighted tags for personalized item recommendations
Proceedings of the 21st ACM conference on Hypertext and hypermedia
Capturing implicit user influence in online social sharing
Proceedings of the 21st ACM conference on Hypertext and hypermedia
Proceedings of the 21st ACM conference on Hypertext and hypermedia
Recommending research colloquia: a study of several sources for user profiling
Proceedings of the 1st International Workshop on Information Heterogeneity and Fusion in Recommender Systems
Collaborative user modeling with user-generated tags for social recommender systems
Expert Systems with Applications: An International Journal
A method for the classification of folksonomy resources
Proceedings of the 2011 ACM Symposium on Applied Computing
Community sharing platform for mobile devices
Proceedings of the 2011 Workshop on Open Source and Design of Communication
Community assessment using evidence networks
MSM'10/MUSE'10 Proceedings of the 2010 international conference on Analysis of social media and ubiquitous data
A call to arms: revisiting database design
ACM SIGMOD Record
Social media filtering based on collaborative tagging in semantic space
Multimedia Tools and Applications
Discovery of Web user communities and their role in personalization
User Modeling and User-Adapted Interaction
Social network-based recommendation: a graph random walk kernel approach
Proceedings of the 12th ACM/IEEE-CS joint conference on Digital Libraries
Finding co-solvers on twitter, with a little help from linked data
ESWC'12 Proceedings of the 9th international conference on The Semantic Web: research and applications
Improving photo recommendation with context awareness
Proceedings of the 18th Brazilian symposium on Multimedia and the web
Understanding buyers' social information needs during purchase decision process
Proceedings of the 12th International Conference on Electronic Commerce: Roadmap for the Future of Electronic Business
Knowledge-Based Systems
Personalized recommender systems integrating tags and item taxonomy
Web Intelligence and Agent Systems
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The rapidly increasing popularity of Web 2.0 knowledge and content sharing systems and growing amount of shared data make discovering relevant content and finding contacts a difficult enterprize. Typically, folksonomies provide a rich set of structures and social relationships that can be mined for a variety of recommendation purposes. In this paper we propose a formal model to characterize users, items, and annotations in Web 2.0 environments. Our objective is to construct social recommender systems that predict the utility of items, users, or groups based on the multi-dimensional social environment of a given user. Based on this model we introduce recommendation mechanisms for content sharing frameworks. Our comprehensive evaluation shows the viability of our approach and emphasizes the key role of social meta knowledge for constructing effective recommendations in Web 2.0 applications.