Yichi Yang

2 accepted papers

2023

AlignScore: Evaluating Factual Consistency with A Unified Alignment Function

Yuheng Zha, Yichi Yang, Ruichen Li, Zhiting Hu

ACL 2023long

Many text generation applications require the generated text to be factually consistent with input information. Automatic evaluation of factual consistency is challenging. Previous work has developed various metrics that often depend on specific functions, such as natural language inference (NLI) or…

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2023

Text Alignment Is An Efficient Unified Model for Massive NLP Tasks

Yuheng Zha, Yichi Yang, Ruichen Li, Zhiting Hu

NeurIPS 2023poster

Large language models (LLMs), typically designed as a function of next-word prediction, have excelled across extensive NLP tasks. Despite the generality, next-word prediction is often not an efficient formulation for many of the tasks, demanding an extreme scale of model parameters (10s or 100s of b…

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