Topological Analysis of Contradictions in Text. - Xiangcheng Wu; Xi Niu; Ruhani Rahman (SIGIR, 2022)

Leveraging Uncertainty Quantification for Reducing Data for Recommender Systems. - Xi Niu; Ruhani Rahman; Xiangcheng Wu; Zhe Fu; Depeng Xu 001; Riyi Qiu (IEEE Big Data, 2023)

A Deep Learning Model for Cross-Domain Serendipity Recommendations. - Zhe Fu; Xi Niu; Xiangcheng Wu; Ruhani Rahman (Trans. Recomm. Syst., 2025)