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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…

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

Existing summarization systems mostly generate summaries purely relying on the content of the source document. However, even for humans, we usually need some references or exemplars to help us fully understand the source document and write…

Computation and Language · Computer Science 2021-12-14 Chenxin An , Ming Zhong , Zhichao Geng , Jianqiang Yang , Xipeng Qiu

Unsupervised extractive summarization is an important technique in information extraction and retrieval. Compared with supervised method, it does not require high-quality human-labelled summaries for training and thus can be easily applied…

Artificial Intelligence · Computer Science 2023-12-19 Renlong Jie , Xiaojun Meng , Xin Jiang , Qun Liu

Contextualized word embeddings can lead to state-of-the-art performances in natural language understanding. Recently, a pre-trained deep contextualized text encoder such as BERT has shown its potential in improving natural language tasks…

Computation and Language · Computer Science 2022-09-02 Hyunjae Lee , Jaewoong Yun , Hyunjin Choi , Seongho Joe , Youngjune L. Gwon

Sentence summarization shortens given texts while maintaining core contents of the texts. Unsupervised approaches have been studied to summarize texts without human-written summaries. However, recent unsupervised models are extractive,…

Computation and Language · Computer Science 2022-12-22 Dongmin Hyun , Xiting Wang , Chanyoung Park , Xing Xie , Hwanjo Yu

We present a new neural model for text summarization that first extracts sentences from a document and then compresses them. The proposed model offers a balance that sidesteps the difficulties in abstractive methods while generating more…

Information Retrieval · Computer Science 2019-04-08 Afonso Mendes , Shashi Narayan , Sebastião Miranda , Zita Marinho , André F. T. Martins , Shay B. Cohen

Extracting summaries from long documents can be regarded as sentence classification using the structural information of the documents. How to use such structural information to summarize a document is challenging. In this paper, we propose…

Computation and Language · Computer Science 2023-01-23 Junyi Bian , Xiaodi Huang , Hong Zhou , Shanfeng Zhu

Unsupervised extractive document summarization aims to select important sentences from a document without using labeled summaries during training. Existing methods are mostly graph-based with sentences as nodes and edge weights measured by…

Computation and Language · Computer Science 2021-12-14 Shusheng Xu , Xingxing Zhang , Yi Wu , Furu Wei , Ming Zhou

Traditional approaches to extractive summarization rely heavily on human-engineered features. In this work we propose a data-driven approach based on neural networks and continuous sentence features. We develop a general framework for…

Computation and Language · Computer Science 2016-07-04 Jianpeng Cheng , Mirella Lapata

We propose Vec2Summ, a novel method for abstractive summarization that frames the task as semantic compression. Vec2Summ represents a document collection using a single mean vector in the semantic embedding space, capturing the central…

Computation and Language · Computer Science 2025-08-12 Mao Li , Fred Conrad , Johann Gagnon-Bartsch

Neural models trained with large amount of parallel data have achieved impressive performance in abstractive summarization tasks. However, large-scale parallel corpora are expensive and challenging to construct. In this work, we introduce a…

Computation and Language · Computer Science 2022-01-17 Mengsay Loem , Sho Takase , Masahiro Kaneko , Naoaki Okazaki

Existing models of multilingual sentence embeddings require large parallel data resources which are not available for low-resource languages. We propose a novel unsupervised method to derive multilingual sentence embeddings relying only on…

Computation and Language · Computer Science 2021-05-24 Ivana Kvapilıkova , Mikel Artetxe , Gorka Labaka , Eneko Agirre , Ondřej Bojar

Automated multi-document extractive text summarization is a widely studied research problem in the field of natural language understanding. Such extractive mechanisms compute in some form the worthiness of a sentence to be included into the…

Computation and Language · Computer Science 2019-12-30 Abhishek Kumar Singh , Manish Gupta , Vasudeva Varma

As a crucial step in extractive document summarization, learning cross-sentence relations has been explored by a plethora of approaches. An intuitive way is to put them in the graph-based neural network, which has a more complex structure…

Computation and Language · Computer Science 2020-04-28 Danqing Wang , Pengfei Liu , Yining Zheng , Xipeng Qiu , Xuanjing Huang

We propose an abstraction-based multi-document summarization framework that can construct new sentences by exploring more fine-grained syntactic units than sentences, namely, noun/verb phrases. Different from existing abstraction-based…

Computation and Language · Computer Science 2015-06-08 Lidong Bing , Piji Li , Yi Liao , Wai Lam , Weiwei Guo , Rebecca J. Passonneau

Sentence representation at the semantic level is a challenging task for Natural Language Processing and Artificial Intelligence. Despite the advances in word embeddings (i.e. word vector representations), capturing sentence meaning is an…

Sentence scoring and sentence selection are two main steps in extractive document summarization systems. However, previous works treat them as two separated subtasks. In this paper, we present a novel end-to-end neural network framework for…

Computation and Language · Computer Science 2018-07-09 Qingyu Zhou , Nan Yang , Furu Wei , Shaohan Huang , Ming Zhou , Tiejun Zhao

Extracting dense representations for terms and phrases is a task of great importance for knowledge discovery platforms targeting highly-technical fields. Dense representations are used as features for downstream components and have multiple…

Computation and Language · Computer Science 2023-05-26 Francesco Fusco , Diego Antognini

Extractive methods have been proven effective in automatic document summarization. Previous works perform this task by identifying informative contents at sentence level. However, it is unclear whether performing extraction at sentence…

Computation and Language · Computer Science 2020-10-27 Qingyu Zhou , Furu Wei , Ming Zhou

Withthegrowthofknowledgegraphs, entity descriptions are becoming extremely lengthy. Entity summarization task, aiming to generate diverse, comprehensive, and representative summaries for entities, has received increasing interest recently.…

Information Retrieval · Computer Science 2020-05-26 Dongjun Wei , Yaxin Liu , Fuqing Zhu , Liangjun Zang , Wei Zhou , Yijun Lu , Songlin Hu