update two papers in awesome list (#3043)

README.md

@@ -331,6 +331,10 @@ We are currently in Beta stage.  More features and improvements are coming.
 
 1. [**Improving Graph Representation Learning by Contrastive Regularization**](https://arxiv.org/pdf/2101.11525.pdf), *Kaili Ma, Haochen Yang, Han Yang, Tatiana Jin, Pengfei Chen, Yongqiang Chen, Barakeel Fanseu Kamhoua, James Cheng*
 
+1. [**VIKING: Adversarial Attack on Network Embeddings via Supervised Network Poisoning**](https://arxiv.org/pdf/2102.07164.pdf), PAKDD'21, *Viresh Gupta, Tanmoy Chakraborty*
+
+1. [**Knowledge Graph Embedding using Graph Convolutional Networks with Relation-Aware Attention**](https://arxiv.org/pdf/2102.07200.pdf), *Nasrullah Sheikh, Xiao Qin, Berthold Reinwald, Christoph Miksovic, Thomas Gschwind, Paolo Scotton*
+
 </details>
 
 ## Installation