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Existing approaches to automatic summarization assume that a length limit for the summary is given, and view content selection as an optimization problem to maximize informativeness and minimize redundancy within this budget. This framework…

计算与语言 · 计算机科学 2019-01-15 Jingyun Liu , Jackie C. K. Cheung , Annie Louis

To capture the semantic graph structure from raw text, most existing summarization approaches are built on GNNs with a pre-trained model. However, these methods suffer from cumbersome procedures and inefficient computations for long-text…

计算与语言 · 计算机科学 2021-10-22 Ye Liu , Jian-Guo Zhang , Yao Wan , Congying Xia , Lifang He , Philip S. Yu

Transformer models have achieved remarkable results in a wide range of applications. However, their scalability is hampered by the quadratic time and memory complexity of the self-attention mechanism concerning the sequence length. This…

机器学习 · 计算机科学 2024-02-27 Yury Nahshan , Joseph Kampeas , Emir Haleva

Sequence generative models with RNN variants, such as LSTM, GRU, show promising performance on abstractive document summarization. However, they still have some issues that limit their performance, especially while deal-ing with long…

计算与语言 · 计算机科学 2018-09-19 Kamal Al-Sabahi , Zhang Zuping , Yang Kang

The fast-growing amount of information on the Internet makes the research in automatic document summarization very urgent. It is an effective solution for information overload. Many approaches have been proposed based on different…

计算与语言 · 计算机科学 2018-08-01 Kamal Al-Sabahi , Zuping Zhang , Jun Long , Khaled Alwesabi

This paper proposes a method for video captioning that controls the length of generated captions. Previous work on length control often had few levels for expressing length. In this study, we propose two methods of length embedding for…

计算机视觉与模式识别 · 计算机科学 2024-08-29 Tomoya Nitta , Takumi Fukuzawa , Toru Tamaki

We revisit the design choices in Transformers, and propose methods to address their weaknesses in handling long sequences. First, we propose a simple layer named gated attention unit, which allows the use of a weaker single-head attention…

机器学习 · 计算机科学 2022-06-28 Weizhe Hua , Zihang Dai , Hanxiao Liu , Quoc V. Le

While large language models (LLMs) can already achieve strong performance on standard generic summarization benchmarks, their performance on more complex summarization task settings is less studied. Therefore, we benchmark LLMs on…

Transformer-based models are unable to process long sequences due to their self-attention operation, which scales quadratically with the sequence length. To address this limitation, we introduce the Longformer with an attention mechanism…

计算与语言 · 计算机科学 2020-12-03 Iz Beltagy , Matthew E. Peters , Arman Cohan

Transformer-based models are not efficient in processing long sequences due to the quadratic space and time complexity of the self-attention modules. To address this limitation, Linformer and Informer are proposed to reduce the quadratic…

机器学习 · 计算机科学 2021-12-13 Yifan Chen , Qi Zeng , Dilek Hakkani-Tur , Di Jin , Heng Ji , Yun Yang

Large language models (LLMs) are commonly trained on datasets consisting of fixed-length token sequences. These datasets are created by randomly concatenating documents of various lengths and then chunking them into sequences of a…

Training automatic summary fact verifiers often faces the challenge of a lack of human-labeled data. In this paper, we explore alternative way of leveraging Large Language Model (LLM) generated feedback to address the inherent limitation of…

计算与语言 · 计算机科学 2024-12-17 Jihwan Oh , Jeonghwan Choi , Nicole Hee-Yeon Kim , Taewon Yun , Hwanjun Song

Widely used evaluation metrics for text generation either do not work well with longer texts or fail to evaluate all aspects of text quality. In this paper, we introduce a new metric called SMART to mitigate such limitations. Specifically,…

计算与语言 · 计算机科学 2022-08-02 Reinald Kim Amplayo , Peter J. Liu , Yao Zhao , Shashi Narayan

Chain-of-thought prompting has emerged as a powerful technique for enabling large language models (LLMs) to solve complex reasoning tasks. However, these reasoning chains can be verbose, raising concerns about efficiency. In response,…

计算与语言 · 计算机科学 2025-04-02 Ayeong Lee , Ethan Che , Tianyi Peng

In this work, we investigate the controllability of large language models (LLMs) on scientific summarization tasks. We identify key stylistic and content coverage factors that characterize different types of summaries such as paper reviews,…

计算与语言 · 计算机科学 2024-06-28 Marcio Fonseca , Shay B. Cohen

Recurrent neural networks (RNNs) such as long short-term memory and gated recurrent units are pivotal building blocks across a broad spectrum of sequence modeling problems. This paper proposes a recurrently controlled recurrent network…

计算与语言 · 计算机科学 2018-11-27 Yi Tay , Luu Anh Tuan , Siu Cheung Hui

Lay summarisation aims to produce summaries of scientific articles that are comprehensible to non-expert audiences. However, previous work assumes a one-size-fits-all approach, where the content and style of the produced summary are…

计算与语言 · 计算机科学 2024-06-11 Zhihao Zhang , Tomas Goldsack , Carolina Scarton , Chenghua Lin

Recently, encoder-decoder models are widely used in social media text summarization. However, these models sometimes select noise words in irrelevant sentences as part of a summary by error, thus declining the performance. In order to…

计算与语言 · 计算机科学 2017-11-01 Jingjing Xu

Text Summarization has been an extensively studied problem. Traditional approaches to text summarization rely heavily on feature engineering. In contrast to this, we propose a fully data-driven approach using feedforward neural networks for…

计算与语言 · 计算机科学 2018-03-01 Aakash Sinha , Abhishek Yadav , Akshay Gahlot

The Transformer architecture has shown significant success in many language processing and visual tasks. However, the method faces challenges in efficiently scaling to long sequences because the self-attention computation is quadratic with…

机器学习 · 计算机科学 2025-05-05 Edison Mucllari , Zachary Daniels , David Zhang , Qiang Ye