Renda Han Guangzhen Yao Mingyuan Li Wenxin Zhang 0005 Yu Li 0047 Wen Xin Huajie Lei Mengfei Li Zeyu Zhang 0006 Chengze Du Yahe Tian Multi-Relation Graph-Kernel Strengthen Network for Graph-Level Clustering. 1-8 2025 IJCNN https://doi.org/10.1109/IJCNN64981.2025.11227596 conf/ijcnn/2025 db/conf/ijcnn/ijcnn2025.html#HanYLZLXLLZDT25 streams/conf/ijcnn