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In this work we address the problem of argument search. The purpose of argument search is the distillation of pro and contra arguments for requested topics from large text corpora. In previous works, the usual approach is to use a standard…

Computation and Language · Computer Science 2019-08-27 Michael Fromm , Evgeniy Faerman , Thomas Seidl

This article outlines a new method of locating discourse boundaries based on lexical cohesion and a graphical technique called dotplotting. The application of dotplotting to discourse segmentation can be performed either manually, by…

cmp-lg · Computer Science 2008-02-03 Jeffrey C. Reynar

Despite the success of convolution- and attention-based models in vision tasks, their rigid receptive fields and complex architectures limit their ability to model irregular spatial patterns and hinder interpretability, therefore posing…

Computer Vision and Pattern Recognition · Computer Science 2025-12-22 Xiangshuai Song , Jun-Jie Huang , Tianrui Liu , Ke Liang , Chang Tang

Scene text detection and recognition has received increasing research attention. Existing methods can be roughly categorized into two groups: character-based and segmentation-based. These methods either are costly for character annotation…

Computer Vision and Pattern Recognition · Computer Science 2020-02-26 Yuliang Liu , Hao Chen , Chunhua Shen , Tong He , Lianwen Jin , Liangwei Wang

This paper presents an algorithmic family of dynamic topic models called Aligned Neural Topic Models (ANTM), which combine novel data mining algorithms to provide a modular framework for discovering evolving topics. ANTM maintains the…

Information Retrieval · Computer Science 2023-06-06 Hamed Rahimi , Hubert Naacke , Camelia Constantin , Bernd Amann

Keyword extraction has been an important topic for modern natural language processing. With its applications ranging from ontology generation, fact verification in summarized text, and recommendation systems. While it has had significant…

Computation and Language · Computer Science 2022-11-17 Aman Priyanshu , Supriti Vijay

With the rapid advancement of large language models, academic topic identification and topic evolution analysis are crucial for enhancing AI's understanding capabilities. Dynamic topic analysis provides a powerful approach to capturing and…

Information Retrieval · Computer Science 2025-04-15 Yang Yang , Tong Zhang , Jian Wu , Lijie Su

Artistic text recognition is an extremely challenging task with a wide range of applications. However, current scene text recognition methods mainly focus on irregular text while have not explored artistic text specifically. The challenges…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Xudong Xie , Ling Fu , Zhifei Zhang , Zhaowen Wang , Xiang Bai

Certain type of documents such as tweets are collected by specifying a set of keywords. As topics of interest change with time it is beneficial to adjust keywords dynamically. The challenge is that these need to be specified ahead of…

Machine Learning · Statistics 2020-01-23 Xingyu Wang , Lida Zhang , Diego Klabjan

Education systems are dynamically changing to accommodate technological advances, industrial and societal needs, and to enhance students' learning journeys. Curriculum specialists and educators constantly revise taught subjects across…

Computers and Society · Computer Science 2024-03-12 Tamador Alkhidir , Edmond Awad , Aamena Alshamsi

This technical report presents our first place winning solution for temporal action detection task in CVPR-2022 AcitivityNet Challenge. The task aims to localize temporal boundaries of action instances with specific classes in long…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Xiang Wang , Huaxin Zhang , Shiwei Zhang , Changxin Gao , Yuanjie Shao , Nong Sang

In the retrieval-based multi-turn dialogue modeling, it remains a challenge to select the most appropriate response according to extracting salient features in context utterances. As a conversation goes on, topic shift at discourse-level…

Computation and Language · Computer Science 2020-12-18 Yi Xu , Hai Zhao , Zhuosheng Zhang

Climate change communication in the mass media and other textual sources may affect and shape public perception. Extracting climate change information from these sources is an important task, e.g., for filtering content and e-discovery,…

Computation and Language · Computer Science 2021-01-05 Francesco S. Varini , Jordan Boyd-Graber , Massimiliano Ciaramita , Markus Leippold

Prior research notes that BERT's computational cost grows quadratically with sequence length thus leading to longer training times, higher GPU memory constraints and carbon emissions. While recent work seeks to address these scalability…

Computation and Language · Computer Science 2020-11-02 Yatin Chaudhary , Pankaj Gupta , Khushbu Saxena , Vivek Kulkarni , Thomas Runkler , Hinrich Schütze

Topic detection is a complex process and depends on language because it somehow needs to analyze text. There have been few studies on topic detection in Persian, and the existing algorithms are not remarkable. Therefore, we aimed to study…

Computation and Language · Computer Science 2024-03-18 Elnaz Zafarani-Moattar , Mohammad Reza Kangavari , Amir Masoud Rahmani

Graph-based semi-supervised learning has proven to be an effective approach for query-focused multi-document summarization. The problem of previous semi-supervised learning is that sentences are ranked without considering the higher level…

Computation and Language · Computer Science 2014-01-03 Jiwei Li , Sujian Li

Argument mining is a core technology for automating argument search in large document collections. Despite its usefulness for this task, most current approaches to argument mining are designed for use only with specific text types and fall…

Computation and Language · Computer Science 2018-02-19 Christian Stab , Tristan Miller , Iryna Gurevych

Topic modelling has been a successful technique for text analysis for almost twenty years. When topic modelling met deep neural networks, there emerged a new and increasingly popular research area, neural topic models, with over a hundred…

Machine Learning · Computer Science 2021-03-02 He Zhao , Dinh Phung , Viet Huynh , Yuan Jin , Lan Du , Wray Buntine

Online information has increased tremendously in today's age of Internet. As a result, the need has arose to extract relevant content from the plethora of available information. Researchers are widely using automatic text summarization…

Social and Information Networks · Computer Science 2021-06-02 Mohd Khizir Siddiqui , Amreen Ahmad , Om Pal , Tanvir Ahmad

Context information around words helps in determining their actual meaning, for example "networks" used in contexts of artificial neural networks or biological neuron networks. Generative topic models infer topic-word distributions, taking…

Information Retrieval · Computer Science 2018-08-14 Pankaj Gupta , Florian Buettner , Hinrich Schütze