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Automatic Text Summarization strategies have been successfully employed to digest text collections and extract its essential content. Usually, summaries are generated using textual corpora that belongs to the same domain area where the…

Computation and Language · Computer Science 2018-07-03 Vinicius Woloszyn , Guilherme Medeiros Machado , Leandro Krug Wives , José Palazzo Moreira de Oliveira

Extractive text summarization has been an extensive research problem in the field of natural language understanding. While the conventional approaches rely mostly on manually compiled features to generate the summary, few attempts have been…

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

Pre-trained language models are increasingly being used in multi-document summarization tasks. However, these models need large-scale corpora for pre-training and are domain-dependent. Other non-neural unsupervised summarization approaches…

Computation and Language · Computer Science 2024-08-20 Ran Liu , Ming Liu , Min Yu , Jianguo Jiang , Gang Li , Dan Zhang , Jingyuan Li , Xiang Meng , Weiqing Huang

Abstractive text summarization is a challenging task, and one need to design a mechanism to effectively extract salient information from the source text and then generate a summary. A parsing process of the source text contains critical…

Computation and Language · Computer Science 2020-03-19 Haiyang Xu , Yun Wang , Kun Han , Baochang Ma , Junwen Chen , Xiangang Li

We propose an unsupervised keyphrase extraction model that encodes topical information within a multipartite graph structure. Our model represents keyphrase candidates and topics in a single graph and exploits their mutually reinforcing…

Information Retrieval · Computer Science 2018-04-17 Florian Boudin

In recent years, deep learning has achieved significant success in the Chinese word segmentation (CWS) task. Most of these methods improve the performance of CWS by leveraging external information, e.g., words, sub-words, syntax. However,…

Computation and Language · Computer Science 2022-01-25 Xuemei Tang , Jun Wang , Qi Su

Obtaining training data for multi-document summarization (MDS) is time consuming and resource-intensive, so recent neural models can only be trained for limited domains. In this paper, we propose SummPip: an unsupervised method for…

Computation and Language · Computer Science 2020-07-21 Jinming Zhao , Ming Liu , Longxiang Gao , Yuan Jin , Lan Du , He Zhao , He Zhang , Gholamreza Haffari

Keyphrase extraction from a given document is the task of automatically extracting salient phrases that best describe the document. This paper proposes a novel unsupervised graph-based ranking method to extract high-quality phrases from a…

Information Retrieval · Computer Science 2022-01-27 Venktesh V , Mukesh Mohania , Vikram Goyal

Abstractive text summarization is a highly difficult problem, and the sequence-to-sequence model has shown success in improving the performance on the task. However, the generated summaries are often inconsistent with the source content in…

Computation and Language · Computer Science 2018-05-11 Bingzhen Wei , Xuancheng Ren , Xu Sun , Yi Zhang , Xiaoyan Cai , Qi Su

Long-context large language models remain computationally expensive to run and often fail to reliably process very long inputs, which makes context compression an important component of many systems. Existing compression approaches…

Computation and Language · Computer Science 2026-04-28 Yitian Zhou , Chaoning Zhang , Jiaquan Zhang , Zhenzhen Huang , Jinyu Guo , Sung-Ho Bae , Lik-Hang Lee , Caiyan Qin , Yang Yang

Existing graph-based methods for extractive document summarization represent sentences of a corpus as the nodes of a graph or a hypergraph in which edges depict relationships of lexical similarity between sentences. Such approaches fail to…

Computation and Language · Computer Science 2019-06-25 Hadrien Van Lierde , Tommy W. S. Chow

Summarization is a way to represent same information in concise way with equal sense. This can be categorized in two type Abstractive and Extractive type. Our work is focused around Extractive summarization. A generic approach to extractive…

Information Retrieval · Computer Science 2017-05-19 Chandra Shekhar Yadav , Aditi Sharan

A main challenge in mining network-based data is finding effective ways to represent or encode graph structures so that it can be efficiently exploited by machine learning algorithms. Several methods have focused in network representation…

Social and Information Networks · Computer Science 2019-03-18 Leonardo Gutiérrez-Gómez , Jean-Charles Delvenne

Most extractive summarization methods focus on the main body of the document from which sentences need to be extracted. However, the gist of the document may lie in side information, such as the title and image captions which are often…

Computation and Language · Computer Science 2017-09-12 Shashi Narayan , Nikos Papasarantopoulos , Shay B. Cohen , Mirella Lapata

The recent advance in neural network architecture and training algorithms have shown the effectiveness of representation learning. The neural network-based models generate better representation than the traditional ones. They have the…

Computation and Language · Computer Science 2018-05-29 Kamal Al-Sabahi , Zhang Zuping , Mohammed Nadher

The task of Chinese text spam detection is very challenging due to both glyph and phonetic variations of Chinese characters. This paper proposes a novel framework to jointly model Chinese variational, semantic, and contextualized…

Computation and Language · Computer Science 2019-09-02 Zhuoren Jiang , Zhe Gao , Guoxiu He , Yangyang Kang , Changlong Sun , Qiong Zhang , Luo Si , Xiaozhong Liu

Graph neural networks (GNNs) have been utilized for various natural language processing (NLP) tasks lately. The ability to encode corpus-wide features in graph representation made GNN models popular in various tasks such as document…

Machine Learning · Computer Science 2022-11-30 Sara Salamat , Nima Tavassoli , Behnam Sabeti , Reza Fahmi

The extended structural context has made scientific paper summarization a challenging task. This paper proposes CHANGES, a contrastive hierarchical graph neural network for extractive scientific paper summarization. CHANGES represents a…

Computation and Language · Computer Science 2023-06-02 Haopeng Zhang , Xiao Liu , Jiawei Zhang

We propose a novel method for code summarization utilizing Heterogeneous Code Representations (HCRs) and our specially designed HierarchyNet. HCRs effectively capture essential code features at lexical, syntactic, and semantic levels by…

Software Engineering · Computer Science 2023-05-10 Minh Huynh Nguyen , Nghi D. Q. Bui , Truong Son Hy , Long Tran-Thanh , Tien N. Nguyen

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