Publications

Yongkang Li, Panagiotis Eustratiadis, Evangelos Kanoulas (2024). Reproducing HotFlip for Corpus Poisoning Attacks in Dense Retrieval. ECIR2025(Reproducibility Paper, Oral).

Yongkang Li, Zipei Fan, Xuan Song (2024). Heterogeneous Hyperbolic Hypergraph Neural Network for Friend Recommendation in Location-based Social Networks. TKDD Journal.

Jixiao Zhang, Yongkang Li, Ruotong Zou, Jingyuan Zhang,Renhe Jiang, Zipei Fan, Xuan Song (2024). Hyper-relational knowledge graph neural network for next POI recommendation. World Wide Web Journal.

Yongkang Li, Zipei Fan, Jixiao Zhang, Dengheng Shi, Tianqi Xu, Du Yin, Jinliang Deng, Xuan Song (2022). Heterogeneous hypergraph neural network for friend recommendation with human mobility. CIKM2022 (Short Paper, Poster).

Yongkang Li, Zipei Fan, Du Yin, Renhe Jiang, Jinliang Deng, Xuan Song (2022). HMGCL: Heterogeneous multigraph contrastive learning for LBSN friend recommendation. World Wide Web Journal.

Du Yin, Renhe Jiang, Jiewen Deng, Yongkang Li, Yi Xie, Zhongyi Wang, Yifan Zhou, Xuan Song, Jedi S Shang (2022). MTMGNN: Multi-time multi-graph neural network for metro passenger flow prediction. GeoInformatica Journal.