Li, X. et al. 2019. Dirichlet Multinomial Mixture with Variational Manifold Regularization: Topic Modeling over Short Texts. Proceedings of the AAAI Conference on Artificial Intelligence. 33, 01 (Jul. 2019), 7884–7891. DOI:https://doi.org/10.1609/aaai.v33i01.33017884.