Xiu Li
2 papers · Latest:
Artificial Intelligence
PRTS: A Primitive Reasoning and Tasking System via Contrastive Representations
PRTS is a VLA model that uses contrastive Goal-Conditioned RL to learn goal-reachability, significantly improving robot task execution and long-horizon planning.
2604.27472
Information RetrievalRoTE: Coarse-to-Fine Multi-Level Rotary Time Embedding for Sequential Recommendation
RoTE enhances sequential recommendation by explicitly modeling multi-level time spans, improving temporal dynamics capture.
2604.13389
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