3 papers
cs.CL2026
CAGE: Coherence-Aware Graph Encoding for Retrieval-Augmented Generation
Tong Qi, Jingyu Wu, Youbing Yin +3
Traditional Retrieval-Augmented Generation (RAG) systems score each passage independently against the query, assembling context sets that may be individually relevant yet collectiv…
cs.IR2026
DualSpectralCF: Training-Free Sign-Aware Spectral Collaborative Filtering
Guanqun Yang, Tong Qi, Xiaoxue Han
Real-world recommendation platforms routinely collect explicit negative feedback such as 1-star reviews, hate-button clicks, distrust between users, and very-low watch-ratio videos…
stat.ML2025
Asymptotically perfect seeded graph matching without edge correlation (and applications to inference)
Tong Qi, Vera Andersson, Peter Viechnicki +1
We present the OmniMatch algorithm for seeded multiple graph matching. In the setting of -dimensional Random Dot Product Graphs (RDPG), we prove that under mild assumptions, Omn…