English
Related papers

Related papers: DTECT: Dynamic Topic Explorer & Context Tracker

200 papers

The world is facing a multitude of challenges that hinder the development of human civilization and the well-being of humanity on the planet. The Sustainable Development Goals (SDGs) were formulated by the United Nations in 2015 to address…

Computation and Language · Computer Science 2025-06-09 Francesco Invernici , Francesca Curati , Jelena Jakimov , Amirhossein Samavi , Anna Bernasconi

Learning an effective speaker representation is crucial for achieving reliable performance in speaker verification tasks. Speech signals are high-dimensional, long, and variable-length sequences containing diverse information at each…

Audio and Speech Processing · Electrical Eng. & Systems 2023-08-25 Wei Xia , John H. L. Hansen

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

Data intensive research requires the support of appropriate datasets. However, it is often time-consuming to discover usable datasets matching a specific research topic. We formulate the dataset discovery problem on an attributed…

Information Retrieval · Computer Science 2021-06-08 Basmah Altaf , Shichao Pei , Xiangliang Zhang

The tremendous growth of social media content on the Internet has inspired the development of the text analytics to understand and solve real-life problems. Leveraging statistical topic modelling helps researchers and practitioners in…

Social and Information Networks · Computer Science 2016-08-09 Marina Sokolova , Kanyi Huang , Stan Matwin , Joshua Ramisch , Vera Sazonova , Renee Black , Chris Orwa , Sidney Ochieng , Nanjira Sambuli

Text data is inherently temporal. The meaning of words and phrases changes over time, and the context in which they are used is constantly evolving. This is not just true for social media data, where the language used is rapidly influenced…

Computation and Language · Computer Science 2025-03-05 Kai-Robin Lange , Niklas Benner , Lars Grönberg , Aymane Hachcham , Imene Kolli , Jonas Rieger , Carsten Jentsch

Experts across diverse disciplines are often interested in making sense of large text collections. Traditionally, this challenge is approached either by noisy unsupervised techniques such as topic models, or by following a manual theme…

Computation and Language · Computer Science 2024-10-23 Maria Leonor Pacheco , Tunazzina Islam , Lyle Ungar , Ming Yin , Dan Goldwasser

In the new global era, determining trends can play an important role in guiding researchers, scientists, and agencies. The main faced challenge is to track the emerging topics among the stacked publications. Therefore, any study done to…

Computational Engineering, Finance, and Science · Computer Science 2023-10-25 Sila Ovgu Korkut , Oznur Oztunc Kaymak , Aytug Onan , Erman Ulker , Femin Yalcin

Contextual Text Block Detection (CTBD) is the task of identifying coherent text blocks within the complexity of natural scenes. Previous methodologies have treated CTBD as either a visual relation extraction challenge within computer vision…

Computer Vision and Pattern Recognition · Computer Science 2024-01-18 Jiawei Wang , Shunchi Zhang , Kai Hu , Chixiang Ma , Zhuoyao Zhong , Lei Sun , Qiang Huo

We present LDAExplore, a tool to visualize topic distributions in a given document corpus that are generated using Topic Modeling methods. Latent Dirichlet Allocation (LDA) is one of the basic methods that is predominantly used to generate…

Information Retrieval · Computer Science 2015-07-24 Ashwinkumar Ganesan , Kiante Brantley , Shimei Pan , Jian Chen

Topic modeling seems to be almost synonymous with generating lists of top words to represent topics within large text corpora. However, deducing a topic from such list of individual terms can require substantial expertise and experience,…

Computation and Language · Computer Science 2025-11-21 Arik Reuter , Bishnu Khadka , Anton Thielmann , Christoph Weisser , Sebastian Fischer , Benjamin Säfken

As we continue to collect and store textual data in a multitude of domains, we are regularly confronted with material whose largely unknown thematic structure we want to uncover. With unsupervised, exploratory analysis, no prior knowledge…

Information Retrieval · Computer Science 2015-07-20 Samuel Rönnqvist

The explosion of big social data has created a scalability trap for traditional qualitative research, as manual coding remains labor-intensive and conventional topic models often suffer from semantic thinning and a lack of domain awareness.…

Computers and Society · Computer Science 2026-04-15 Zhenke Duan , Xin Li

Opinions in forums and social networks are released by millions of people due to the increasing number of users that use Web 2.0 platforms to opine about brands and organizations. For enterprises or government agencies it is almost…

Information Retrieval · Computer Science 2018-05-02 Ignacio Espinoza , Marcelo Mendoza , Pablo Ortega , Daniel Rivera , Fernanda Weiss

Emotion recognition is a crucial task for human conversation understanding. It becomes more challenging with the notion of multimodal data, e.g., language, voice, and facial expressions. As a typical solution, the global- and the local…

Computation and Language · Computer Science 2024-01-31 Cam-Van Thi Nguyen , Anh-Tuan Mai , The-Son Le , Hai-Dang Kieu , Duc-Trong Le

In this paper, we show a textual analysis of past ICALEPCS and IPAC conference proceedings to gain insights into the research trends and topics discussed in the field. We use natural language processing techniques to extract meaningful…

Computation and Language · Computer Science 2023-10-16 Antonin Sulc , Annika Eichler , Tim Wilksen

Extracting topics from text has become an essential task, especially with the rapid growth of unstructured textual data. Most existing works rely on highly computational methods to address this challenge. In this paper, we argue that…

Computation and Language · Computer Science 2025-11-07 Salma Mekaoui , Hiba Sofyan , Imane Amaaz , Imane Benchrif , Arsalane Zarghili , Ilham Chaker , Nikola S. Nikolov

Topic modeling, a method for extracting the underlying themes from a collection of documents, is an increasingly important component of the design of intelligent systems enabling the sense-making of highly dynamic and diverse streams of…

Information Retrieval · Computer Science 2019-10-07 Chris Gropp , Alexander Herzog , Ilya Safro , Paul W. Wilson , Amy W. Apon

Accurate prediction of conversation topics can be a valuable signal for creating coherent and engaging dialog systems. In this work, we focus on context-aware topic classification methods for identifying topics in free-form human-chatbot…

Computation and Language · Computer Science 2018-10-22 Chandra Khatri , Rahul Goel , Behnam Hedayatnia , Angeliki Metanillou , Anushree Venkatesh , Raefer Gabriel , Arindam Mandal

This study addresses the challenges of analyzing temporal discrepancies in large language models (LLMs) trained on data from different time periods. To facilitate the automatic exploration of these differences, we propose a novel system…

Information Retrieval · Computer Science 2024-10-08 Reinhard Friedrich Fritsch , Adam Jatowt