Search Results for author: Zhecheng Sheng

Found 4 papers, 0 papers with code

BBScore: A Brownian Bridge Based Metric for Assessing Text Coherence

no code implementations28 Dec 2023 Zhecheng Sheng, Tianhao Zhang, Chen Jiang, Dongyeop Kang

In summary, we present a novel Brownian bridge coherence metric capable of measuring both local and global text coherence, while circumventing the need for end-to-end model training.

Coherence Evaluation

Enhancing Robustness of Foundation Model Representations under Provenance-related Distribution Shifts

no code implementations9 Dec 2023 Xiruo Ding, Zhecheng Sheng, Brian Hur, Feng Chen, Serguei V. S. Pakhomov, Trevor Cohen

We focus on confounding by provenance, a form of distribution shift that emerges in the context of multi-institutional datasets when there are differences in source-specific language use and class distributions.

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