Author

Jie Liu

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Book Open access Aug 2026

UniRank: A Unified Framework for Efficient Multi-Objective LLM Ranking in Industrial Search

Multi-objective ranking serves as the backbone of industrial information retrieval, requiring a holistic assessment of documents across dimensions such as Relevance, Authority, and Recency. The prevailing industry paradigm relies on ensembles of specialized BERT-based models, which are costly to maintain and fundamenta...

De-Zhi Ye, Junwei Hu, Xiaoyang Chen et al. · Proceedings of the 32nd ACM... · 0 citations

#natural language process... Preprint Aug 2026

Beyond Polarization: The Generative Constraint of Chain-of-Thought in Pointwise Reranking

These findings suggest that, within the pointwise scoring paradigm, routing continuous relevance semantics through discrete text constrains ranking signal resolution reveals a bottleneck that is stable and difficult to overcome under current standard methods, rather than an easily resolvable training bias.

Xiaoyang Chen, Jie Liu, Haijin Liang et al. · 0 citations