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We propose a new length-controllable abstractive summarization model. Recent state-of-the-art abstractive summarization models based on encoder-decoder models generate only one summary per source text. However, controllable summarization,…

Computation and Language · Computer Science 2020-01-22 Itsumi Saito , Kyosuke Nishida , Kosuke Nishida , Atsushi Otsuka , Hisako Asano , Junji Tomita , Hiroyuki Shindo , Yuji Matsumoto

This work presents a new approach to unsupervised abstractive summarization based on maximizing a combination of coverage and fluency for a given length constraint. It introduces a novel method that encourages the inclusion of key terms…

Computation and Language · Computer Science 2021-05-13 Philippe Laban , Andrew Hsi , John Canny , Marti A. Hearst

Unsupervised sentence representation learning is one of the fundamental problems in natural language processing with various downstream applications. Recently, contrastive learning has been widely adopted which derives high-quality sentence…

Computation and Language · Computer Science 2023-05-29 Jiduan Liu , Jiahao Liu , Qifan Wang , Jingang Wang , Wei Wu , Yunsen Xian , Dongyan Zhao , Kai Chen , Rui Yan

We address the problem of unsupervised extractive document summarization, especially for long documents. We model the unsupervised problem as a sparse auto-regression one and approximate the resulting combinatorial problem via a convex,…

Computation and Language · Computer Science 2022-08-22 Alicia Y. Tsai , Laurent El Ghaoui

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…

Computation and Language · Computer Science 2019-01-15 Jingyun Liu , Jackie C. K. Cheung , Annie Louis

Traditional sequence-to-sequence (seq2seq) models and other variations of the attention-mechanism such as hierarchical attention have been applied to the text summarization problem. Though there is a hierarchy in the way humans use language…

Machine Learning · Computer Science 2019-11-04 Rajeev Bhatt Ambati , Saptarashmi Bandyopadhyay , Prasenjit Mitra

We introduce Biased TextRank, a graph-based content extraction method inspired by the popular TextRank algorithm that ranks text spans according to their importance for language processing tasks and according to their relevance to an input…

Computation and Language · Computer Science 2020-11-03 Ashkan Kazemi , Verónica Pérez-Rosas , Rada Mihalcea

Abstractive summarization has been studied using neural sequence transduction methods with datasets of large, paired document-summary examples. However, such datasets are rare and the models trained from them do not generalize to other…

Computation and Language · Computer Science 2019-05-24 Eric Chu , Peter J. Liu

Single document summarization has enjoyed renewed interests in recent years thanks to the popularity of neural network models and the availability of large-scale datasets. In this paper we develop an unsupervised approach arguing that it is…

Computation and Language · Computer Science 2019-06-11 Hao Zheng , Mirella Lapata

Sentence compression reduces the length of text by removing non-essential content while preserving important facts and grammaticality. Unsupervised objective driven methods for sentence compression can be used to create customized models…

Computation and Language · Computer Science 2022-05-18 Demian Gholipour Ghalandari , Chris Hokamp , Georgiana Ifrim

Keyphrase extraction aims at automatically extracting a list of "important" phrases representing the key concepts in a document. Prior approaches for unsupervised keyphrase extraction resorted to heuristic notions of phrase importance via…

Computation and Language · Computer Science 2023-02-20 Rishabh Joshi , Vidhisha Balachandran , Emily Saldanha , Maria Glenski , Svitlana Volkova , Yulia Tsvetkov

Back-translation based approaches have recently lead to significant progress in unsupervised sequence-to-sequence tasks such as machine translation or style transfer. In this work, we extend the paradigm to the problem of learning a…

Computation and Language · Computer Science 2019-08-26 Yacine Jernite

Traditional methods of summarization are not cost-effective and possible today. Extractive summarization is a process that helps to extract the most important sentences from a text automatically and generates a short informative summary. In…

Computation and Language · Computer Science 2018-09-05 Mohammad Ebrahim Khademi , Mohammad Fakhredanesh , Seyed Mojtaba Hoseini

Summarization systems face the core challenge of identifying and selecting important information. In this paper, we tackle the problem of content selection in unsupervised extractive summarization of long, structured documents. We introduce…

Computation and Language · Computer Science 2021-04-20 Ronald Cardenas , Matthias Galle , Shay B. Cohen

Automatic text summarization (ATS) has recently achieved impressive performance thanks to recent advances in deep learning and the availability of large-scale corpora. To make the summarization results more faithful, this paper presents an…

Computation and Language · Computer Science 2019-10-15 Shengluan Hou , Ruqian Lu

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…

Computation and Language · Computer Science 2025-05-07 Maciej Zembrzuski , Saad Mahamood

Complex questions that require inferencing and synthesizing information from multiple documents can be seen as a kind of topic-oriented, informative multi-document summarization where the goal is to produce a single text as a compressed…

Computation and Language · Computer Science 2014-01-16 Yllias Chali , Shafiq Rayhan Joty , Sadid A. Hasan

In this paper, we propose a novel architecture for direct extractive speech-to-speech summarization, ESSumm, which is an unsupervised model without dependence on intermediate transcribed text. Different from previous methods with text…

Audio and Speech Processing · Electrical Eng. & Systems 2022-09-16 Jun Wang

Single document summarization is the task of producing a shorter version of a document while preserving its principal information content. In this paper we conceptualize extractive summarization as a sentence ranking task and propose a…

Computation and Language · Computer Science 2018-04-17 Shashi Narayan , Shay B. Cohen , Mirella Lapata

Sentence summarization aims at compressing a long sentence into a short one that keeps the main gist, and has extensive real-world applications such as headline generation. In previous work, researchers have developed various approaches to…

Computation and Language · Computer Science 2022-10-18 Puyuan Liu , Xiang Zhang , Lili Mou