Zengchang Qin Tao Wan 0001 Hanqing Zhao A Theory of Modeling Semantic Uncertainty in Label Representation. 64-75 2016 IUKM https://doi.org/10.1007/978-3-319-49046-5_6 conf/iukm/2016 db/conf/iukm/iukm2016.html#QinWZ16