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Document summarization provides an instrument for faster understanding the collection of text documents and has several real-life applications. With the growth of online text data, numerous summarization models have been proposed recently.…

计算与语言 · 计算机科学 2022-04-01 Mingyang Song , Liping Jing

Supervised deep learning requires a large amount of training samples with annotations (e.g. label class for classification task, pixel- or voxel-wised label map for segmentation tasks), which are expensive and time-consuming to obtain.…

计算机视觉与模式识别 · 计算机科学 2020-04-14 Yuanhan Mo , Shuo Wang , Chengliang Dai , Rui Zhou , Zhongzhao Teng , Wenjia Bai , Yike Guo

State-of-the-art abstractive summarization systems frequently hallucinate content that is not supported by the source document, mainly due to noise in the training dataset. Existing methods opt to drop the noisy samples or tokens from the…

计算与语言 · 计算机科学 2023-02-20 Meng Cao , Yue Dong , Jingyi He , Jackie Chi Kit Cheung

In the context of natural language processing, representation learning has emerged as a newly active research subject because of its excellent performance in many applications. Learning representations of words is a pioneering study in this…

计算与语言 · 计算机科学 2016-11-23 Kuan-Yu Chen , Shih-Hung Liu , Berlin Chen , Hsin-Min Wang

Abstraction is a desirable capability for deep learning models, which means to induce abstract concepts from concrete instances and flexibly apply them beyond the learning context. At the same time, there is a lack of clear understanding…

机器学习 · 计算机科学 2023-02-24 Shengnan An , Zeqi Lin , Bei Chen , Qiang Fu , Nanning Zheng , Jian-Guang Lou

In disentangled representation learning, a model is asked to tease apart a dataset's underlying sources of variation and represent them independently of one another. Since the model is provided with no ground truth information about these…

机器学习 · 计算机科学 2023-10-24 Kyle Hsu , Will Dorrell , James C. R. Whittington , Jiajun Wu , Chelsea Finn

An abstract must not change the meaning of the original text. A single most effective way to achieve that is to increase the amount of copying while still allowing for text abstraction. Human editors can usually exercise control over…

计算与语言 · 计算机科学 2019-11-26 Kaiqiang Song , Bingqing Wang , Zhe Feng , Liu Ren , Fei Liu

It is well known that the standard likelihood training and approximate decoding objectives in neural text generation models lead to less human-like responses for open-ended tasks such as language modeling and story generation. In this paper…

计算与语言 · 计算机科学 2020-05-05 Joshua Maynez , Shashi Narayan , Bernd Bohnet , Ryan McDonald

This work introduces VERSE, a methodology for analyzing and improving Vision-Language Models applied to Visually-rich Document Understanding by exploring their visual embedding space. VERSE enables the visualization of latent…

计算机视觉与模式识别 · 计算机科学 2026-01-09 Ignacio de Rodrigo , Alvaro J. Lopez-Lopez , Jaime Boal

Neural network-based models augmented with unsupervised pre-trained knowledge have achieved impressive performance on text summarization. However, most existing evaluation methods are limited to an in-domain setting, where summarizers are…

计算与语言 · 计算机科学 2020-10-23 Yiran Chen , Pengfei Liu , Ming Zhong , Zi-Yi Dou , Danqing Wang , Xipeng Qiu , Xuanjing Huang

Neural attention models have achieved significant improvements on many natural language processing tasks. However, the quadratic memory complexity of the self-attention module with respect to the input length hinders their applications in…

计算与语言 · 计算机科学 2022-11-01 Yixin Liu , Ansong Ni , Linyong Nan , Budhaditya Deb , Chenguang Zhu , Ahmed H. Awadallah , Dragomir Radev

Traditionally, distillation has been used to train a student model to emulate the input/output functionality of a teacher. A more useful goal than emulation, yet under-explored, is for the student to learn feature representations that…

计算机视觉与模式识别 · 计算机科学 2021-07-19 Zhizhong Li , Avinash Ravichandran , Charless Fowlkes , Marzia Polito , Rahul Bhotika , Stefano Soatto

Current neural network-based methods to the problem of document summarisation struggle when applied to datasets containing large inputs. In this paper we propose a new approach to the challenge of content-selection when dealing with…

计算与语言 · 计算机科学 2025-05-07 Maciej Zembrzuski , Saad Mahamood

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

A system that could reliably identify and sum up the most important points of a conversation would be valuable in a wide variety of real-world contexts, from business meetings to medical consultations to customer service calls. Recent…

计算与语言 · 计算机科学 2023-04-26 Virgile Rennard , Guokan Shang , Julie Hunter , Michalis Vazirgiannis

Dense retrievers compress source documents into (possibly lossy) vector representations, yet there is little analysis of what information is lost versus preserved, and how it affects downstream tasks. We conduct the first analysis of the…

计算与语言 · 计算机科学 2024-10-07 Seraphina Goldfarb-Tarrant , Pedro Rodriguez , Jane Dwivedi-Yu , Patrick Lewis

Sequence-level knowledge distillation reduces the size of Seq2Seq models for more efficient abstractive summarization. However, it often leads to a loss of abstractiveness in summarization. In this paper, we propose a novel approach named…

计算与语言 · 计算机科学 2023-12-05 Hwanjun Song , Igor Shalyminov , Hang Su , Siffi Singh , Kaisheng Yao , Saab Mansour

Large Language Models have introduced novel opportunities for text comprehension and generation. Yet, they are vulnerable to adversarial perturbations and data poisoning attacks, particularly in tasks like text classification and…

计算与语言 · 计算机科学 2024-10-29 Poojitha Thota , Shirin Nilizadeh

Capturing the compositional process which maps the meaning of words to that of documents is a central challenge for researchers in Natural Language Processing and Information Retrieval. We introduce a model that is able to represent the…

计算与语言 · 计算机科学 2014-06-17 Misha Denil , Alban Demiraj , Nal Kalchbrenner , Phil Blunsom , Nando de Freitas

Although domain shift has been well explored in many NLP applications, it still has received little attention in the domain of extractive text summarization. As a result, the model is under-utilizing the nature of the training data due to…

计算与语言 · 计算机科学 2019-09-02 Danqing Wang , Pengfei Liu , Ming Zhong , Jie Fu , Xipeng Qiu , Xuanjing Huang