I really wish that CS would switch to discussing related literature before (or with) contributions. The authors only cite themselves until the very end of the paper, and the whole time you are thinking: "Hasn't this been done before? Transformer-XL (recurrent Memory) is a years old paper!" And you need to read to the very and to find out that the contribution is actually: Keep your architecture (but still need to tra…
In the new paper, they plug their memory system into vanilla BERT. This makes the resulting model essentially nothing like Transformer-XL, which was a strictly decoder-only generative language model.