Latent Variable

Mixture Content Selection for Diverse Sequence Generation

To Separate Diversification from Generation improves both Diversity and Accuracy in Sequence Generation - *[EMNLP 2019](https://www.emnlp-ijcnlp2019.org/)*

A Hierarchical Latent Structure for Variational Conversation Modeling

Proposes a hierarchical VAE model and utterance drop regularization which mitigates posterior collapse problem - *[NAACL 2018](http://naacl.org/naacl-hlt-2018/)* (Oral)