3 papers
cs.CL2026
MCite-RL: Towards Reliable Multimodal RAG via Citation-enhanced Agentic Reinforcement Learning
Suifeng Zhao, Zida Liu, Xinyu Lei +3
Multimodal Retrieval-Augmented Generation (RAG) with visual citation is crucial for ensuring the traceability and verifiability of MLLMs. However, current RAG and SFT-based methods…
cs.SI2025
HW-GNN: Homophily-Aware Gaussian-Window Constrained Graph Spectral Network for Social Network Bot Detection
Zida Liu, Jun Gao, Zhang Ji +1
Social bots are increasingly polluting online platforms by spreading misinformation and engaging in coordinated manipulation, posing severe threats to cybersecurity. Graph Neural N…
cs.LG2024
BSG4Bot: Efficient Bot Detection based on Biased Heterogeneous Subgraphs
Hao Miao, Zida Liu, Jun Gao
The detection of malicious social bots has become a crucial task, as bots can be easily deployed and manipulated to spread disinformation, promote conspiracy messages, and more. Mo…