1. Toward the next generation of recommender systems: a survey of the state-of-the-art and possible extensions
2. Collaborative systems engineering and social-networking approach to design and modelling of smarter products
3. Balog, K., Azzopardi, L. and de Rijke, M. Formal models for expert finding in enterprise corpora. The 29th annual international ACM SIGIR conference on research and development in information retrieval 50. pp.43–50. New York: ACM.
4. Banerjee, A. and Basu, S. A social query model for decentralized search. Proceedings of SNAKDD 2008: KDD Workshop on Social Network Mining and Analysis, in conjunction with the 14th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD 2008), August 2008. New York: ACM.