Amit Kumar 0031 Nazanin Esmaili Massimo Piccardi A REINFORCEd Variational Autoencoder Topic Model. 360-369 2021 ICONIP (5) https://doi.org/10.1007/978-3-030-92307-5_42 conf/iconip/2021-5 db/conf/iconip/iconip2021-5.html#KumarEP21