Zhang, Y.; Zhang, B.; Gao, K.; Guo, P. & Sun, D. (2012), 'Combining content and relation analysis for recommendation in social tagging systems', Physica A: Statistical Mechanics and its Applications 391(22), 5759 - 5768.

Zhang, Y.; Zhang, B.; Gao, K.; Guo, P. & Sun, D. (2012), 'Combining content and relation analysis for recommendation in social tagging systems', Physica A: Statistical Mechanics and its Applications 391(22), 5759 - 5768.