1. A 3d facial expression database for facial behavior research;Yin,2006
2. Multi-label classification: an overview;Tsoumakas;Int. J. Data Wareh. Min.,2010
3. Label distribution learning;Geng;IEEE Trans. Knowl. Data Eng.,2016
4. A maximum entropy approach to natural language processing;Berger;Comput. Linguist.,1996
5. Inducing features of random fields;Della Pietra;IEEE Trans. Pattern Anal. Mach. Intell.,1997