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Xin Gao

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Preprint Sep 2026

ThinkV2V: Unleashing the Reasoning Capability of MLLMs for Instruction-Guided Video Editing

Instruction-guided video editing has made significant progress, yet existing methods use multimodal large language models (MLLMs) primarily as semantic encoders, so they often fall short in working with implicit edits that require causal or semantic reasoning. To bridge this fundamental gap in video editing, we propose...

Dong-Hao Zhou, Hao-Yang He, Fan Zhang et al. · 0 citations
Book Open access Aug 2026

R-Select: A Robust Multi-Metric Data Selection Approach for Fine-Tuning Large Language Models

R-Select, a robust and scalable framework that optimizes data selection with 30 distinct quality metrics, introduces a novel hierarchical optimization strategy that consistently outperforms both heuristic baselines and model-based methods, offering a robust solution for high-quality data curation.

Xin Gao, Xiao-Yang Wang, Yun Zhu et al. · 0 citations
#artificial intelligence Preprint Aug 2026

SPARK: Skeleton-Guided Reasoning Synthesis from Large-Scale Scientific Literature

SPARK (Scientific Paper Abstracted Reasoning sKeleton), a paper-oriented synthesis framework built on Sci-Base, is introduced, a scientific reasoning dataset with substantially higher difficulty and diversity than existing resources and consistently outperforms existing scientific reasoning datasets.

Yu Li, Wei Li, Xin Gao et al. · 0 citations
Book Open access Aug 2026

R-Select: A Robust Multi-Metric Data Selection Approach for Fine-Tuning Large Language Models

The transition from architecture-centric scaling to data-centric refinement has established high-quality data as a critical determinant of Large Language Model performance, particularly for complex reasoning and instruction following. However, effective data selection remains a persistent bottleneck: simple heuristic f...

Xin Gao, Xiaoyang Wang, Yun Zhu et al. · 0 citations

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