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cs.CL2026
DatedGPT: Preventing Lookahead Bias in Large Language Models with Time-Aware Pretraining
Yutong Yan, Raphael Tang, Zhenyu Gao +2
Large language models pretrained on internet-scale data risk lookahead bias in forecasting tasks, as they may have already seen the true outcome during training. To address this, w…
cs.CL2025
GloSS over Toxicity: Understanding and Mitigating Toxicity in LLMs via Global Toxic Subspace
Zenghao Duan, Zhiyi Yin, Zhichao Shi +6
This paper investigates the underlying mechanisms of toxicity generation in Large Language Models (LLMs) and proposes an effective detoxification approach. Prior work typically con…