3 papers
cs.LG2026
M-CTX: Exact and Scalable Spatial Context Retrieval for Trajectory Analytics
Kun Ma, Qilong Han, Chengjing Song +4
Modern trajectory predictors increasingly condition on external spatial context, such as map geometry, signed distance fields (SDFs), and nearby moving agents. While this context i…
cs.LG2026
EnvShip: A Unified Framework for Context-Aware and Cross-Region Vessel Trajectory Forecasting
Kun Ma, Qilong Han, Chengjing Song +3
Accurate vessel trajectory forecasting is essential for maritime situational awareness, navigation safety, traffic management, and autonomous navigation. Public Automatic Identific…
cs.CL2026
Prefilling-dLLM: Predictive Prefilling for Long-Context Inference in Diffusion Language Models
Jing Xiong, Qi Han, Shansan Gong +5
Diffusion large language models (dLLMs) re-encode the entire prefix at every denoising step, causing recomputation that scales quadratically with context length and becomes prohibi…