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Zhi-Chao Liu

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#machine learning Preprint Oct 2026

Failure Recovery via Belief Updates and World Modeling for Long-Horizon Agents

Long-horizon agents often struggle to recover from failures whose causes lie several steps earlier, beyond what local reflection or backtracking can resolve. We introduce BELIEFWEAVER, a framework that combines persistent evidence across attempts with prospective reasoning over repair directions. It maintains a relatio...

Xi-Yang Wu, Zhi-Chao Liu, Sheng Zhang et al. · 0 citations
Preprint Sep 2026

ASSEMBLE: Atomic Skills for Evidence-Grounded Video Reasoning

Complex video reasoning often depends on evidence scattered across distant moments, entities, and events, yet a correct answer alone does not reveal whether a model relied on the right parts of the video. We introduce ASSEMBLE, a framework that makes supporting evidence explicit throughout long-video reasoning. ASSEMBL...

Xi-Yang Wu, Zong-Xia Li, Sheng Zhang et al. · 0 citations
Preprint Aug 2026

GigaBrain-0.7: Scaling Embodied Foundation Models to Emergent Capabilities with a Three-System Architecture

This work presents GigaBrain-0.7, an embodied foundation model with substantially improved generalization across diverse robot embodiments, and introduces one-stage alignment training that jointly optimizes vision-language understanding and multi-embodiment action generation.

GigaBrain Team, An-Gen Ye, Axiang Sun et al. · 7 citations · ⚡1
Jul 2026

Long-Horizon-Terminal-Bench: Testing the Limits of Agents on Long-Horizon Terminal Tasks with Dense Reward-Based Grading

This work introduces Long-Horizon-Terminal-Bench, a terminal benchmark of 46 long-horizon tasks spanning nine categories, including experiment reproduction, software engineering, multimodal analysis, interactive games, and scientific computing, and analyzes failure modes and error patterns to support future progress on...

Zongxia Li, Zhongzhi Li, Yucheng Shi et al. · 11 citations · ⚡2
#artificial intelligence Preprint Aug 2026

GigaBrain-WBC-0.5: A Behavior World Model for Robust Whole-Body Control with Environment Interaction

GigaBrain-WBC-0.5, the first Behavior World Model for humanoid whole-body control, is presented, which trains a causal Transformer to jointly predict its next action, next state, and the distribution over its next latent behavior command, so the network that acts also models how the environment shapes what it can do ne...

Zi-Yang Cheng, Tian-Shu Tang, Jin-Xi Lan et al. · 1 citation

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