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Author

Caiming Xiong

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Jul 2026

Evidence-Backed Video Question Answering

ST-Evidence is introduced, the first human-verified benchmark for both discriminative and generative pixel-level grounding, and scalable, automated generation pipelines are developed to create ST-Evidence-Instruct, a 160k-scale dataset bridging high-level reasoning with fine-grained grounding.

Shijie Wang, Honglu Zhou, Ziyang Wang et al. · 0 citations
#artificial intelligence Preprint Apr 2025

LZ Penalty: An information-theoretic repetition penalty for autoregressive language models

The LZ penalty is introduced, a penalty specialized for reducing degenerate repetitions in autoregressive language models without loss of capability and without instances of degenerate repetition, and enables state-of-the-art open-source reasoning models to operate with greedy decoding without loss of capability and without instances of degenerate repetition.

Antonio A. Ginart, Naveen Kodali, Jason Lee et al. · 0 citations

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