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This study addresses the reliability of automatic summarization in high-risk scenarios and proposes a large language model framework that integrates uncertainty quantification and risk-aware mechanisms. Starting from the demands of…

Computation and Language · Computer Science 2025-10-03 Shuaidong Pan , Di Wu

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

Learning transferable representations from unlabeled time series is crucial for improving performance in data-scarce classification. Existing self-supervised methods often operate at the point level and rely on unidirectional encoding,…

Machine Learning · Computer Science 2026-03-02 Mingyue Cheng , Xiaoyu Tao , Zhiding Liu , Qi Liu , Hao Zhang , Rujiao Zhang , Enhong Chen

The large volume of text in electronic healthcare records often remains underused due to a lack of methodologies to extract interpretable content. Here we present an unsupervised framework for the analysis of free text that combines…

This paper provides results of evaluating some text summarisation techniques for the purpose of producing call summaries for contact centre solutions. We specifically focus on extractive summarisation methods, as they do not require any…

Computation and Language · Computer Science 2022-09-07 Alexandra N. Uma , Dmitry Sityaev

Dialogue disentanglement aims to detach the chronologically ordered utterances into several independent sessions. Conversation utterances are essentially organized and described by the underlying discourse, and thus dialogue disentanglement…

Computation and Language · Computer Science 2023-06-13 Bobo Li , Hao Fei , Fei Li , Shengqiong Wu , Lizi Liao , Yinwei Wei , Tat-Seng Chua , Donghong Ji

Steady progress has been made in abstractive summarization with attention-based sequence-to-sequence learning models. In this paper, we propose a new decoder where the output summary is generated by conditioning on both the input text and…

Machine Learning · Computer Science 2019-08-21 Melissa Ailem , Bowen Zhang , Fei Sha

Conversation agents, commonly referred to as chatbots, are increasingly deployed in many domains to allow people to have a natural interaction while trying to solve a specific problem. Given their widespread use, it is important to provide…

Social and Information Networks · Computer Science 2020-10-13 Biplav Srivastava , Francesca Rossi , Sheema Usmani , and Mariana Bernagozzi

Over the last few years, deep learning has grown in popularity for speaker verification, identification, and diarization. Inarguably, a significant part of this success is due to the demonstrated effectiveness of their speaker…

Sound · Computer Science 2022-10-07 Yehoshua Dissen , Felix Kreuk , Joseph Keshet

Text segmentation aims to divide text into contiguous, semantically coherent segments, while segment labeling deals with producing labels for each segment. Past work has shown success in tackling segmentation and labeling for documents and…

Computation and Language · Computer Science 2022-09-29 Hakan Inan , Rashi Rungta , Yashar Mehdad

Large language models (LLMs) excel in abstractive summarization tasks, delivering fluent and pertinent summaries. Recent advancements have extended their capabilities to handle long-input contexts, exceeding 100k tokens. However, in…

Computation and Language · Computer Science 2024-11-15 Mathieu Ravaut , Aixin Sun , Nancy F. Chen , Shafiq Joty

Current video summarization methods rely heavily on supervised computer vision techniques, which demands time-consuming and subjective manual annotations. To overcome these limitations, we investigated self-supervised video summarization.…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Tomoya Sugihara , Shuntaro Masuda , Ling Xiao , Toshihiko Yamasaki

Role-oriented dialogue summarization is to generate summaries for different roles in the dialogue, e.g., merchants and consumers. Existing methods handle this task by summarizing each role's content separately and thus are prone to ignore…

Computation and Language · Computer Science 2022-05-27 Haitao Lin , Junnan Zhu , Lu Xiang , Yu Zhou , Jiajun Zhang , Chengqing Zong

Huge amounts of textual conversations occur online every day, where multiple conversations take place concurrently. Interleaved conversations lead to difficulties in not only following the ongoing discussions but also extracting relevant…

Computation and Language · Computer Science 2020-10-22 Tao Yu , Shafiq Joty

The supervised training of high-capacity models on large datasets containing hundreds of thousands of document-summary pairs is critical to the recent success of deep learning techniques for abstractive summarization. Unfortunately, in most…

Computation and Language · Computer Science 2020-04-22 Reinald Kim Amplayo , Mirella Lapata

The paper presents a first attempt towards unsupervised neural text simplification that relies only on unlabeled text corpora. The core framework is composed of a shared encoder and a pair of attentional-decoders and gains knowledge of…

Computation and Language · Computer Science 2019-08-22 Sai Surya , Abhijit Mishra , Anirban Laha , Parag Jain , Karthik Sankaranarayanan

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

Dialogue summarization comes with its own peculiar challenges as opposed to news or scientific articles summarization. In this work, we explore four different challenges of the task: handling and differentiating parts of the dialogue…

Computation and Language · Computer Science 2021-09-20 Muhammad Khalifa , Miguel Ballesteros , Kathleen McKeown

This paper introduces the proposed automatic minuting system of the Hitachi team for the First Shared Task on Automatic Minuting (AutoMin-2021). We utilize a reference-free approach (i.e., without using training minutes) for automatic…

Computation and Language · Computer Science 2021-12-07 Atsuki Yamaguchi , Gaku Morio , Hiroaki Ozaki , Ken-ichi Yokote , Kenji Nagamatsu

We introduce an unsupervised discriminative model for the task of retrieving experts in online document collections. We exclusively employ textual evidence and avoid explicit feature engineering by learning distributed word representations…

Information Retrieval · Computer Science 2017-09-19 Christophe Van Gysel , Maarten de Rijke , Marcel Worring