Author

Zhiwei Liu

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Book Open access Jul 2026

Code-Based English Models Reveal Surprising Performance on Chinese QA Pair Extraction Task

Evidence of cross-lingual efficacy of code-based LLMs for Chinese QA tasks, further enhanced through Code Llama-M's expanded Chinese vocabulary is found, and successful application of the fine-tuned LLM in a live assistant system, enhancing user experience is demonstrated.

Jiajun Yu, Linghan Zheng, Hui Liu et al. · Annual International ACM SIG... · 0 citations

Preprint Aug 2026

HalluTracer: Hallucination Detection via Depth-Averaging Truth Signals

HalluTracer is introduced, a detection framework that reads and aggregates truthfulness evidence across every layer of the forward pass before the model emits any answer token, recasts hallucination detection from a layer-selection problem into a depth-aggregation problem governed by the geometric sparsity of the truthfulness signal.

Zhihao Guo, Zonghan Wu, Huan Huo et al. · 0 citations