Reformer Clustering https://openreview.net/forum?id=rkgNKkHtvB Routing Transformer https://arxiv.org/abs/2003.05997 Step 1 query key IITIIT Clustering based on similarity (approximate fast) Clustering query key Reformer https://openreview.net/forum?id=rkgNKkHtvB Routing Transformer https://arxiv.org/abs/2003.05997 Clustering based on similarity 1 4 1 2 3 3 3 2 2 1 3 3 1 4 1 4 (approximate & fast) Step 1