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Related papers: Towards Improving Faithfulness in Abstractive Summ…

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Existing factual consistency evaluation approaches for text summarization provide binary predictions and limited insights into the weakness of summarization systems. Therefore, we propose the task of fine-grained inconsistency detection,…

Computation and Language · Computer Science 2023-05-25 Hou Pong Chan , Qi Zeng , Heng Ji

Faithful free-text explanations are important to ensure transparency in high-stakes AI decision-making contexts, but they are challenging to generate by language models and assess by humans. In this paper, we present a measure for…

Computation and Language · Computer Science 2025-09-30 Lingjun Zhao , Hal Daumé

Neural abstractive summarization systems have achieved promising progress, thanks to the availability of large-scale datasets and models pre-trained with self-supervised methods. However, ensuring the factual consistency of the generated…

Computation and Language · Computer Science 2021-04-05 Meng Cao , Yue Dong , Jiapeng Wu , Jackie Chi Kit Cheung

Abstractive summarization models often generate inconsistent summaries containing factual errors or hallucinated content. Recent works focus on correcting factual errors in generated summaries via post-editing. Such correction models are…

Computation and Language · Computer Science 2022-11-01 Vidhisha Balachandran , Hannaneh Hajishirzi , William W. Cohen , Yulia Tsvetkov

Recent pre-trained abstractive summarization systems have started to achieve credible performance, but a major barrier to their use in practice is their propensity to output summaries that are not faithful to the input and that contain…

Computation and Language · Computer Science 2021-04-12 Tanya Goyal , Greg Durrett

Despite recent improvements in abstractive summarization, most current approaches generate summaries that are not factually consistent with the source document, severely restricting their trust and usage in real-world applications. Recent…

Computation and Language · Computer Science 2022-07-20 Leonardo F. R. Ribeiro , Mengwen Liu , Iryna Gurevych , Markus Dreyer , Mohit Bansal

Modern large language models (LLMs) are powerful generators driven by statistical next-token prediction. While effective at producing fluent text, this design biases models toward high-probability continuations rather than exhaustive and…

Machine Learning · Computer Science 2026-02-09 Zhaoyang Chen , Cody Fleming

Language Models (LMs) have revolutionized natural language processing, enabling high-quality text generation through prompting and in-context learning. However, models often struggle with long-context summarization due to positional biases,…

Computation and Language · Computer Science 2025-09-23 Neelabh Sinha

As Large Language Models (LLMs) have become capable of generating long and descriptive code summaries, accurate and reliable evaluation of factual consistency has become a critical challenge. However, previous evaluation methods are…

Computation and Language · Computer Science 2026-04-14 Suyoung Bae , CheolWon Na , Jaehoon Lee , Yumin Lee , YunSeok Choi , Jee-Hyong Lee

Neural abstractive summarization models are prone to generate summaries which are factually inconsistent with their source documents. Previous work has introduced the task of recognizing such factual inconsistency as a downstream…

Computation and Language · Computer Science 2022-05-13 Prasetya Ajie Utama , Joshua Bambrick , Nafise Sadat Moosavi , Iryna Gurevych

Neural abstractive summarization models are flexible and can produce coherent summaries, but they are sometimes unfaithful and can be difficult to control. While previous studies attempt to provide different types of guidance to control the…

Computation and Language · Computer Science 2021-04-20 Zi-Yi Dou , Pengfei Liu , Hiroaki Hayashi , Zhengbao Jiang , Graham Neubig

Generating meaningful assert statements is one of the key challenges in automated test case generation, which requires understanding the intended functionality of the tested code. Recently, deep learning-based models have shown promise in…

Software Engineering · Computer Science 2024-01-22 Yuwei Zhang , Zhi Jin , Zejun Wang , Ying Xing , Ge Li

Hallucination is a known issue for neural abstractive summarization models. Recent work suggests that the degree of hallucination may depend on errors in the training data. In this work, we propose a new method called Contrastive Parameter…

Computation and Language · Computer Science 2022-05-23 Prafulla Kumar Choubey , Alexander R. Fabbri , Jesse Vig , Chien-Sheng Wu , Wenhao Liu , Nazneen Fatema Rajani

A key challenge for abstractive summarization is ensuring factual consistency of the generated summary with respect to the original document. For example, state-of-the-art models trained on existing datasets exhibit entity hallucination,…

Computation and Language · Computer Science 2021-02-19 Feng Nan , Ramesh Nallapati , Zhiguo Wang , Cicero Nogueira dos Santos , Henghui Zhu , Dejiao Zhang , Kathleen McKeown , Bing Xiang

Recent studies have investigated utilizing Knowledge Graphs (KGs) to enhance Quesetion Answering (QA) performance of Large Language Models (LLMs), yet structured KG verbalization remains challengin. Existing methods, such as triple-form or…

Computation and Language · Computer Science 2024-10-10 Sungho Ko , Hyunjin Cho , Hyungjoo Chae , Jinyoung Yeo , Dongha Lee

Detecting factual inconsistency for long document summarization remains challenging, given the complex structure of the source article and long summary length. In this work, we study factual inconsistency errors and connect them with a line…

Computation and Language · Computer Science 2025-02-11 Yang Zhong , Diane Litman

Natural Language Generation (NLG) has made great progress in recent years due to the development of deep learning techniques such as pre-trained language models. This advancement has resulted in more fluent, coherent and even properties…

Computation and Language · Computer Science 2022-03-11 Wei Li , Wenhao Wu , Moye Chen , Jiachen Liu , Xinyan Xiao , Hua Wu

No existing dataset adequately tests how well language models can incrementally update entity summaries - a crucial ability as these models rapidly advance. The Incremental Entity Summarization (IES) task is vital for maintaining accurate,…

Computation and Language · Computer Science 2024-06-10 Eunjeong Hwang , Yichao Zhou , Beliz Gunel , James Bradley Wendt , Sandeep Tata

Query-Focused Meeting Summarization (QFMS) aims to generate a summary of a given meeting transcript conditioned upon a query. The main challenges for QFMS are the long input text length and sparse query-relevant information in the meeting…

Computation and Language · Computer Science 2023-09-06 Tiezheng Yu , Ziwei Ji , Pascale Fung

A robust summarization system should be able to capture the gist of the document, regardless of the specific word choices or noise in the input. In this work, we first explore the summarization models' robustness against perturbations…

Computation and Language · Computer Science 2023-06-05 Xiuying Chen , Guodong Long , Chongyang Tao , Mingzhe Li , Xin Gao , Chengqi Zhang , Xiangliang Zhang