add papers

README.md

@@ -331,9 +331,18 @@ Contributed by Jie Zhou, Ganqu Cui, Zhengyan Zhang and Yushi Bai.
 
     *Ziyao Li, Liang Zhang, Guojie Song.*
 
+1. **Dynamic Hypergraph Neural Networks.** IJCAI 2019. [paper](https://www.ijcai.org/proceedings/2019/0366.pdf)
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+    *Jianwen Jiang, Yuxuan Wei, Yifan Feng, Jingxuan Cao, Yue Gao.*
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+1. **Exploiting Interaction Links for Node Classification with Deep Graph Neural Networks.** IJCAI 2019. [paper](https://www.ijcai.org/proceedings/2019/0447.pdf)
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+    *Hogun Park, Jennifer Neville.*
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 1. **Exploiting Edge Features in Graph Neural Networks.** CVPR 2019. [paper](https://arxiv.org/pdf/1809.02709.pdf)
 
     *Liyu Gong, Qiang Cheng.*  
+
 
 ### [Pooling Methods](#content)
 1. **Hierarchical Graph Representation Learning with Differentiable Pooling.** NeurIPS 2018. [paper](https://papers.nips.cc/paper/7729-hierarchical-graph-representation-learning-with-differentiable-pooling.pdf)
@@ -588,6 +597,10 @@ Contributed by Jie Zhou, Ganqu Cui, Zhengyan Zhang and Yushi Bai.
 1. **Binarized Collaborative Filtering with Distilling Graph Convolutional Networks.** IJCAI 2019. [paper](https://arxiv.org/pdf/1906.01829.pdf)
 
     *Haoyu Wang, Defu Lian, Yong Ge.*
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+1. **Graph Contextualized Self-Attention Network for Session-based Recommendation.** IJCAI 2019. [paper](https://www.ijcai.org/proceedings/2019/0547.pdf)
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+    *Chengfeng Xu, Pengpeng Zhao, Yanchi Liu, Victor S. Sheng, Jiajie Xu, Fuzhen Zhuang, Junhua Fang, Xiaofang Zhou.*
 
 1. **Session-based Recommendation with Graph Neural Networks.** AAAI 2019. [paper](https://arxiv.org/pdf/1811.00855.pdf)