Search Results for author: Yifu Qiu

Found 6 papers, 5 papers with code

Think While You Write: Hypothesis Verification Promotes Faithful Knowledge-to-Text Generation

no code implementations16 Nov 2023 Yifu Qiu, Varun Embar, Shay B. Cohen, Benjamin Han

Knowledge-to-text generators often struggle to faithfully generate descriptions for the input facts: they may produce hallucinations that contradict the input, or describe facts not present in the input.

Natural Language Inference Text Generation

Are Large Language Models Temporally Grounded?

1 code implementation14 Nov 2023 Yifu Qiu, Zheng Zhao, Yftah Ziser, Anna Korhonen, Edoardo M. Ponti, Shay B. Cohen

Instead, we provide LLMs with textual narratives and probe them with respect to their common-sense knowledge of the structure and duration of events, their ability to order events along a timeline, and self-consistency within their temporal model (e. g., temporal relations such as after and before are mutually exclusive for any pair of events).

Common Sense Reasoning In-Context Learning +2

Detecting and Mitigating Hallucinations in Multilingual Summarisation

1 code implementation23 May 2023 Yifu Qiu, Yftah Ziser, Anna Korhonen, Edoardo M. Ponti, Shay B. Cohen

With the existing faithful metrics focusing on English, even measuring the extent of this phenomenon in cross-lingual settings is hard.

Cross-Lingual Transfer

Abstractive Summarization Guided by Latent Hierarchical Document Structure

1 code implementation17 Nov 2022 Yifu Qiu, Shay B. Cohen

Sequential abstractive neural summarizers often do not use the underlying structure in the input article or dependencies between the input sentences.

Abstractive Text Summarization Sentence

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