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Opinion summarisation synthesises opinions expressed in a group of documents discussing the same topic to produce a single summary. Recent work has looked at opinion summarisation of clusters of social media posts. Such posts are noisy and…

Computation and Language · Computer Science 2022-11-29 Jiayu Song , Iman Munire Bilal , Adam Tsakalidis , Rob Procter , Maria Liakata

Our task is to generate an effective summary for a given document with specific realtime requirements. We use the softplus function to enhance keyword rankings to favor important sentences, based on which we present a number of…

Information Retrieval · Computer Science 2017-10-03 Liqun Shao , Hao Zhang , Ming Jia , Jie Wang

Query relevance ranking and sentence saliency ranking are the two main tasks in extractive query-focused summarization. Previous supervised summarization systems often perform the two tasks in isolation. However, since reference summaries…

Information Retrieval · Computer Science 2016-09-28 Ziqiang Cao , Wenjie Li , Sujian Li , Furu Wei , Yanran Li

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

A novel framework for density estimation under expectation constraints is proposed. The framework minimizes the Wasserstein distance between the estimated density and a prior, subject to the constraints that the expected value of a set of…

Machine Learning · Statistics 2026-02-24 Yinan Hu , Esteban G. Tabak

In this paper we propose a new approach to evaluate the informativeness of transcriptions coming from Automatic Speech Recognition systems. This approach, based in the notion of informativeness, is focused on the framework of Automatic Text…

Computation and Language · Computer Science 2018-09-05 Carlos-Emiliano González-Gallardo , Malek Hajjem , Eric SanJuan , Juan-Manuel Torres-Moreno

We propose a novel approach based on optimal transport (OT) for tackling the problem of highly mixed data in blind hyperspectral unmixing. Our method constrains the distribution of the estimated abundance matrix to resemble a targeted…

Image and Video Processing · Electrical Eng. & Systems 2025-09-26 D. Doutsas , B. Figliuzzi

Many scientific papers such as those in arXiv and PubMed data collections have abstracts with varying lengths of 50-1000 words and average length of approximately 200 words, where longer abstracts typically convey more information about the…

Computation and Language · Computer Science 2022-06-03 Sajad Sotudeh , Nazli Goharian

In machine learning and computer graphics, a fundamental task is the approximation of a probability density function through a well-dispersed collection of samples. Providing a formal metric for measuring the distance between probability…

Graphics · Computer Science 2024-02-28 Baptiste Genest , Nicolas Courty , David Coeurjolly

Huge volumes of textual information has been produced every single day. In order to organize and understand such large datasets, in recent years, summarization techniques have become popular. These techniques aims at finding relevant,…

Computation and Language · Computer Science 2018-03-26 Jorge V. Tohalino , Diego R. Amancio

In recent times, data is growing rapidly in every domain such as news, social media, banking, education, etc. Due to the excessiveness of data, there is a need of automatic summarizer which will be capable to summarize the data especially…

Computation and Language · Computer Science 2017-04-12 Santosh Kumar Bharti , Korra Sathya Babu

Abstractive summarization is the task of compressing a long document into a coherent short document while retaining salient information. Modern abstractive summarization methods are based on deep neural networks which often require large…

The proliferation of data and text documents such as articles, web pages, books, social network posts, etc. on the Internet has created a fundamental challenge in various fields of text processing under the title of "automatic text…

Artificial Intelligence · Computer Science 2023-03-15 Kazem Taghandiki , Mohammad Hassan Ahmadi , Elnaz Rezaei Ehsan

Abstractive summarization is an ideal form of summarization since it can synthesize information from multiple documents to create concise informative summaries. In this work, we aim at developing an abstractive summarizer. First, our…

Computation and Language · Computer Science 2016-09-23 Siddhartha Banerjee , Prasenjit Mitra , Kazunari Sugiyama

Extractive compression is a challenging natural language processing problem. This work contributes by formulating neural extractive compression as a parse tree transduction problem, rather than a sequence transduction task. Motivated by…

Information Retrieval · Computer Science 2018-09-26 Davide Bacciu , Antonio Bruno

Keyphrases are crucial for searching and systematizing scholarly documents. Most current methods for keyphrase extraction are aimed at the extraction of the most significant words in the text. But in practice, the list of keyphrases often…

Computation and Language · Computer Science 2024-10-23 Anna Glazkova , Dmitry Morozov

Optimal transport (OT) measures distances between distributions in a way that depends on the geometry of the sample space. In light of recent advances in computational OT, OT distances are widely used as loss functions in machine learning.…

Methodology · Statistics 2021-06-22 Debarghya Mukherjee , Aritra Guha , Justin Solomon , Yuekai Sun , Mikhail Yurochkin

In the last two decades, automatic extractive text summarization on lectures has demonstrated to be a useful tool for collecting key phrases and sentences that best represent the content. However, many current approaches utilize dated…

Computation and Language · Computer Science 2019-06-12 Derek Miller

Scientific extreme summarization (TLDR) aims to form ultra-short summaries of scientific papers. Previous efforts on curating scientific TLDR datasets failed to scale up due to the heavy human annotation and domain expertise required. In…

Computation and Language · Computer Science 2022-10-21 Yuning Mao , Ming Zhong , Jiawei Han

We present a framework for building unsupervised representations of entities and their compositions, where each entity is viewed as a probability distribution rather than a vector embedding. In particular, this distribution is supported…

Computation and Language · Computer Science 2020-03-03 Sidak Pal Singh , Andreas Hug , Aymeric Dieuleveut , Martin Jaggi