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, 5759 - 5768.  doi: 10.1016/j.physa.2012.05.013

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, 5759 - 5768.  doi: 10.1016/j.physa.2012.05.013