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Sentence extraction based summarization methods has some limitations as it doesn't go into the semantics of the document. Also, it lacks the capability of sentence generation which is intuitive to humans. Here we present a novel method to…

Computation and Language · Computer Science 2014-06-06 Divyanshu Bhartiya , Ashudeep Singh

Topic models are gaining increasing commercial and academic interest for their ability to summarize large volumes of unstructured text. As unsupervised machine learning methods, they enable researchers to explore data and help general users…

Information Retrieval · Computer Science 2025-08-01 Thomas Compton

We study the problem of generating keyphrases that summarize the key points for a given document. While sequence-to-sequence (seq2seq) models have achieved remarkable performance on this task (Meng et al., 2017), model training often relies…

Computation and Language · Computer Science 2019-09-09 Hai Ye , Lu Wang

Objective: Automatic text summarization tools can help users in the biomedical domain to access information efficiently from a large volume of scientific literature and other sources of text documents. In this paper, we propose a…

Information Retrieval · Computer Science 2018-11-26 Milad Moradi , Nasser Ghadiri

Unsupervised approaches to extractive summarization usually rely on a notion of sentence importance defined by the semantic similarity between a sentence and the document. We propose new metrics of relevance and redundancy using pointwise…

Computation and Language · Computer Science 2021-03-24 Vishakh Padmakumar , He He

Tokenization -- the process of decomposing a given text into a sequence of subwords called tokens -- is one of the key components in the development of language models. Particularly, auto-regressive language models generate texts token by…

Computation and Language · Computer Science 2026-02-19 Daiki Chijiwa , Taku Hasegawa , Kyosuke Nishida , Shin'ya Yamaguchi , Tomoya Ohba , Tamao Sakao , Susumu Takeuchi

Speech summarisation techniques take human speech as input and then output an abridged version as text or speech. Speech summarisation has applications in many domains from information technology to health care, for example improving speech…

Computation and Language · Computer Science 2020-08-28 Dana Rezazadegan , Shlomo Berkovsky , Juan C. Quiroz , A. Baki Kocaballi , Ying Wang , Liliana Laranjo , Enrico Coiera

Currently, machine learning techniques have seen significant success across various applications. Most of these techniques rely on supervision from human-generated labels or a mixture of noisy and imprecise labels from multiple sources.…

Computation and Language · Computer Science 2024-09-04 Yanbo Wang , Wenyu Chen , Shimin Shan

Recently, Transformer-based models have been proven effective in the abstractive summarization task by creating fluent and informative summaries. Nevertheless, these models still suffer from the short-range dependency problem, causing them…

Computation and Language · Computer Science 2026-05-13 Thong Nguyen , Anh Tuan Luu , Truc Lu , Tho Quan

With the abundance of automatic meeting transcripts, meeting summarization is of great interest to both participants and other parties. Traditional methods of summarizing meetings depend on complex multi-step pipelines that make joint…

Computation and Language · Computer Science 2020-09-22 Chenguang Zhu , Ruochen Xu , Michael Zeng , Xuedong Huang

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

Topic models are typically evaluated with respect to the global topic distributions that they generate, using metrics such as coherence, but without regard to local (token-level) topic assignments. Token-level assignments are important for…

Information Retrieval · Computer Science 2019-05-31 Jeffrey Lund , Piper Armstrong , Wilson Fearn , Stephen Cowley , Courtni Byun , Jordan Boyd-Graber , Kevin Seppi

A massive amount of reviews are generated daily from various platforms. It is impossible for people to read through tons of reviews and to obtain useful information. Automatic summarizing customer reviews thus is important for identifying…

Computation and Language · Computer Science 2020-06-02 Pengyuan Li , Lei Huang , Guang-jie Ren

We report a series of experiments with different semantic models on top of various statistical models for extractive text summarization. Though statistical models may better capture word co-occurrences and distribution around the text, they…

Computation and Language · Computer Science 2018-05-21 Divyanshu Daiya , Anukarsh Singh , Mukesh Jadon

Unsupervised methods are widely used to induce latent semantic structure from large text collections, yet their outputs often contain incoherent, redundant, or poorly grounded clusters that are difficult to validate without labeled data. We…

Computation and Language · Computer Science 2026-04-21 Tunazzina Islam

Topic models are statistical tools that allow their users to gain qualitative and quantitative insights into the contents of textual corpora without the need for close reading. They can be applied in a wide range of settings from discourse…

Computation and Language · Computer Science 2025-05-20 Márton Kardos , Kenneth C. Enevoldsen , Kristoffer Laigaard Nielbo

In this paper we present a modification to a latent topic model, which makes the model exploit supervision to produce a factorized representation of the observed data. The structured parameterization separately encodes variance that is…

Machine Learning · Computer Science 2013-04-24 Cheng Zhang , Carl Henrik Ek , Andreas Damianou , Hedvig Kjellstrom

We introduce an extractive summarization system for meetings that leverages discourse structure to better identify salient information from complex multi-party discussions. Using discourse graphs to represent semantic relations between the…

Computation and Language · Computer Science 2024-09-24 Virgile Rennard , Guokan Shang , Michalis Vazirgiannis , Julie Hunter

Modern topic identification (topic ID) systems for speech use automatic speech recognition (ASR) to produce speech transcripts, and perform supervised classification on such ASR outputs. However, under resource-limited conditions, the…

Computation and Language · Computer Science 2017-07-12 Chunxi Liu , Jan Trmal , Matthew Wiesner , Craig Harman , Sanjeev Khudanpur

We consider the problem of modeling the content structure of texts within a specific domain, in terms of the topics the texts address and the order in which these topics appear. We first present an effective knowledge-lean method for…

Computation and Language · Computer Science 2007-05-23 Regina Barzilay , Lillian Lee