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Tong Wei

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Book Open access Aug 2026

Learning Graph Rationales to Compress Long Chains of Thought in Multimodal Reasoning

GRACE is proposed, a Graph-based Rationalized CoT Compression framework that transforms long CoTs into reasoning graphs to enable efficient CoT compression, where reasoning steps are represented as nodes and semantic dependencies as edges.

Yizhi Wang, Li-Nan Yue, Deng-Bao Wang et al. · 0 citations
2025

X-Mahalanobis: Transformer Feature Mixing for Reliable OOD Detection

A straightforward feature mixing approach for pre-trained Transformers is presented, which combines multi-layer representations via calculated importance weights, and identifies OOD samples using Mahalanobis distance in the blended feature space.

Tong Wei, Bolin Wang, Jiang-Xin Shi et al. · 8 citations · ⚡2
Book Open access Aug 2026

Learning Graph Rationales to Compress Long Chains of Thought in Multimodal Reasoning

Recent advances in multimodal large reasoning models (MLRMs) have demonstrated impressive capabilities on complex multimodal tasks, yet their reliance on long Chain-of-Thoughts (CoTs) often leads to redundant reasoning and high computational cost. Existing chain-based distillation and refinement approaches alleviate re...

Yizhi Wang, Linan Yue, Deng-Bao Wang et al. · 0 citations

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