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Comprehending the information environment (IE) during crisis events is challenging due to the rapid change and abstract nature of the domain. Many approaches focus on snapshots via classification methods or network approaches to describe…

Social and Information Networks · Computer Science 2026-03-19 David Farr , Stephen Prochaska , Jack Moody , Lynnette Hui Xian Ng , Iain Cruickshank , Kate Starbird , Jevin West

The rapid growth of scientific publishing has made it increasingly difficult to track how fast-moving areas evolve. Search engines and LLM-based assistants retrieve or summarize papers, but often hide how the corpus was selected, organized,…

Information Retrieval · Computer Science 2026-05-28 Bernardo A. Denkvitts , Nitin Gupta , Biplav Srivastava

Spatial-temporal data, that is information about objects that exist at a particular location and time period, are rich in value and, as a consequence, the target of so many initiative efforts. Clustering approaches aim at grouping…

Databases · Computer Science 2019-11-07 Ivens Portugal , Paulo Alencar , Donald Cowan

The many endless rivers of text now available present a serious challenge in the task of gleaning, analyzing and discovering useful information. In this paper, we describe a methodology for visualizing text streams in real time. The…

Discrete Mathematics · Computer Science 2015-03-20 Emden Gansner , Yifan Hu , Stephen North

Text Document Clustering is one of the fastest growing research areas because of availability of huge amount of information in an electronic form. There are several number of techniques launched for clustering documents in such a way that…

Information Retrieval · Computer Science 2014-01-13 R. Jensi , Dr. G. Wiselin Jiji

Short text stream clustering is an important but challenging task since massive amount of text is generated from different sources such as micro-blogging, question-answering, and social news aggregation websites. One of the major challenges…

Information Retrieval · Computer Science 2021-01-22 Md Rashadul Hasan Rakib , Muhammad Asaduzzaman

The interest in 3D dynamical tracking is growing in fields such as robotics, biology and fluid dynamics. Recently, a major source of progress in 3D tracking has been the study of collective behaviour in biological systems, where the…

Computer Vision and Pattern Recognition · Computer Science 2015-11-05 Andrea Cavagna , Chiara Creato , Lorenzo Del Castello , Stefania Melillo , Leonardo Parisi , Massimiliano Viale

Twitter can be viewed as a data source for Natural Language Processing (NLP) tasks. The continuously updating data streams on Twitter make it challenging to trace real-time topic evolution. In this paper, we propose a framework for modeling…

Computation and Language · Computer Science 2021-04-19 Xiaonan Jing , Yi Zhang , Qingyuan Hu , Julia Taylor Rayz

Document clustering is an unsupervised approach in which a large collection of documents (corpus) is subdivided into smaller, meaningful, identifiable, and verifiable sub-groups (clusters). Meaningful representation of documents and…

Information Retrieval · Computer Science 2014-12-08 Muhammad Rafi , Farnaz Amin , Mohammad Shahid Shaikh

Clustering aims to group unlabeled objects based on similarity inherent among them into clusters. It is important for many tasks such as anomaly detection, database sharding, record linkage, and others. Some clustering methods are taken as…

Databases · Computer Science 2024-12-02 Binbin Gu , Saeed Kargar , Faisal Nawab

Globular clusters are stellar dynamical systems which evolve on stellar evolutionary and both internal and external dynamical timescales. Quantitative comparison of cluster properties with realistic evolutionary dynamical models is becoming…

Astrophysics · Physics 2007-05-23 Gerard Gilmore

Novel forms of data analysis methods have emerged as a significant research direction in the transportation domain. These methods can potentially help to improve our understanding of the dynamic flows of vehicles, people, and goods.…

Computers and Society · Computer Science 2019-01-10 Ivens Portugal , Paulo Alencar , Donald Cowan

Twitter serves as a data source for many Natural Language Processing (NLP) tasks. It can be challenging to identify topics on Twitter due to continuous updating data stream. In this paper, we present an unsupervised graph based framework to…

Computation and Language · Computer Science 2021-04-19 Xiaonan Jing , Qingyuan Hu , Yi Zhang , Julia Taylor Rayz

While traditional research on text clustering has largely focused on grouping documents by topic, it is conceivable that a user may want to cluster documents along other dimensions, such as the authors mood, gender, age, or sentiment.…

Information Retrieval · Computer Science 2014-01-22 Sajib Dasgupta , Vincent Ng

Deep graph clustering has recently received significant attention due to its ability to enhance the representation learning capabilities of models in unsupervised scenarios. Nevertheless, deep clustering for temporal graphs, which could…

Machine Learning · Computer Science 2024-04-12 Meng Liu , Yue Liu , Ke Liang , Wenxuan Tu , Siwei Wang , Sihang Zhou , Xinwang Liu

Topic evolution modeling has received significant attentions in recent decades. Although various topic evolution models have been proposed, most studies focus on the single document corpus. However in practice, we can easily access data…

Computation and Language · Computer Science 2021-11-23 Yandi Zhu , Xiaoling Lu , Jingya Hong , Feifei Wang

To cluster data is to separate samples into distinctive groups that should ideally have some cohesive properties. Today, numerous clustering algorithms exist, and their differences lie essentially in what can be perceived as ``cohesive…

Machine Learning · Statistics 2025-05-08 Louis Ohl , Pierre-Alexandre Mattei , Frédéric Precioso

This paper presents ATEM, a novel framework for studying topic evolution in scientific archives. ATEM is based on dynamic topic modeling and dynamic graph embedding techniques that explore the dynamics of content and citations of documents…

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

This paper proposes a modeling framework for dynamic topic evolution based on temporal large language models. The method first uses a large language model to obtain contextual embeddings of text and then introduces a temporal decay function…

Computation and Language · Computer Science 2025-11-04 Di Wu , Shuaidong Pan

Image clustering divides a collection of images into meaningful groups, typically interpreted post-hoc via human-given annotations. Those are usually in the form of text, begging the question of using text as an abstraction for image…

Machine Learning · Computer Science 2024-02-20 Andreas Stephan , Lukas Miklautz , Kevin Sidak , Jan Philip Wahle , Bela Gipp , Claudia Plant , Benjamin Roth