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Shijin Wang

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#artificial intelligence Preprint Sep 2026

Detecting Pretraining Data in Large Language Models from a Free-Energy Perspective

This work introduces an inclined boundary that evaluates prediction loss relative to predictive entropy, and shows that entropy correction can preserve the expected membership signal while reducing its variance, thereby improving standardized member--non-member separation.

Chen-Ye Ke, Zi-Rui Liu, Qi Liu et al. · 0 citations
Preprint Aug 2026

Incorporating Cognitive Load and Knowledge Transfer for Multi-Domain Knowledge Tracing

LT-MKT first integrates textual information from questions and their associated concepts to construct a Multi-domain Hierarchical Graph, leveraging the advanced representational capabilities of large language models (LLMs) to bridge isolated domains and proposes a novel method incorporating cognitive Load and knowledge...

Hao-Tian Zhang, Shucun Wang, Jinze Wu et al. · 0 citations
Book Open access Jul 2026

Good Ranks Follow Good Answers: Unsupervised Answer-Driven Reranking for Multimodal Document QA

AD-Reranker is proposed, a novel framework that shifts reranker training from proxy imitation to answer-driven utility optimization, and reformulate the reranker as an environment-grounded agent that interacts with a downstream reader, modeled as a deterministic environment.

Keyu Zhu, Shuanghong Shen, Xianquan Wang et al. · 0 citations

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