Search Results for author: Xinxi Lyu

Found 4 papers, 4 papers with code

FActScore: Fine-grained Atomic Evaluation of Factual Precision in Long Form Text Generation

4 code implementations23 May 2023 Sewon Min, Kalpesh Krishna, Xinxi Lyu, Mike Lewis, Wen-tau Yih, Pang Wei Koh, Mohit Iyyer, Luke Zettlemoyer, Hannaneh Hajishirzi

Evaluating the factuality of long-form text generated by large language models (LMs) is non-trivial because (1) generations often contain a mixture of supported and unsupported pieces of information, making binary judgments of quality inadequate, and (2) human evaluation is time-consuming and costly.

Language Modelling Retrieval +1

Z-ICL: Zero-Shot In-Context Learning with Pseudo-Demonstrations

2 code implementations19 Dec 2022 Xinxi Lyu, Sewon Min, Iz Beltagy, Luke Zettlemoyer, Hannaneh Hajishirzi

Although large language models can be prompted for both zero- and few-shot learning, performance drops significantly when no demonstrations are available.

Few-Shot Learning In-Context Learning

Rethinking the Role of Demonstrations: What Makes In-Context Learning Work?

1 code implementation25 Feb 2022 Sewon Min, Xinxi Lyu, Ari Holtzman, Mikel Artetxe, Mike Lewis, Hannaneh Hajishirzi, Luke Zettlemoyer

Large language models (LMs) are able to in-context learn -- perform a new task via inference alone by conditioning on a few input-label pairs (demonstrations) and making predictions for new inputs.

In-Context Learning

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