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Many learning tasks involve multi-modal data streams, where continuous data from different modes convey a comprehensive description about objects. A major challenge in this context is how to efficiently interpret multi-modal information in…

Machine Learning · Computer Science 2020-07-24 Amila Silva , Shanika Karunasekera , Christopher Leckie , Ling Luo

We propose a method for online news stream clustering that is a variant of the non-parametric streaming K-means algorithm. Our model uses a combination of sparse and dense document representations, aggregates document-cluster similarity…

Computation and Language · Computer Science 2021-01-28 Kailash Karthik Saravanakumar , Miguel Ballesteros , Muthu Kumar Chandrasekaran , Kathleen McKeown

The society produces textual data online in several ways, e.g., via reviews and social media posts. Therefore, numerous researchers have been working on discovering patterns in textual data that can indicate peoples' opinions, interests,…

Following a particular news story online is an important but difficult task, as the relevant information is often scattered across different domains/sources (e.g., news articles, blogs, comments, tweets), presented in various formats and…

Computation and Language · Computer Science 2018-08-20 Bichen Shi , Thanh-Binh Le , Neil Hurley , Georgiana Ifrim

In this paper, we propose a novel online topic tracking framework, named IEDL, for tracking the topic changes related to deep learning techniques on Stack Exchange and automatically interpreting each identified topic. The proposed framework…

Information Retrieval · Computer Science 2019-07-04 Fenglei Jin , Cuiyun Gao , Michael R. Lyu

Existing deep hierarchical topic models are able to extract semantically meaningful topics from a text corpus in an unsupervised manner and automatically organize them into a topic hierarchy. However, it is unclear how to incorporate prior…

Machine Learning · Computer Science 2021-10-28 Zhibin Duan , Yishi Xu , Bo Chen , Dongsheng Wang , Chaojie Wang , Mingyuan Zhou

Network data enriched with textual information, referred to as text networks, arise in a wide range of applications, including email communications, scientific collaborations, and legal contracts. In such settings, both the structure of…

Methodology · Statistics 2025-05-09 Maoyu Zhang , Biao Cai , Dong Li , Xiaoyue Niu , Jingfei Zhang

The age of social media has opened new opportunities for businesses. This flourishing wealth of information is outside traditional channels and frameworks of classical marketing research, including that of Marketing Mix Modeling (MMM).…

Computation and Language · Computer Science 2023-07-25 Miguel Palencia-Olivar

In online incremental learning, data continuously arrives with substantial distributional shifts, creating a significant challenge because previous samples have limited replay value when learning a new task. Prior research has typically…

Machine Learning · Computer Science 2026-04-17 Quyen Tran , Hai Nguyen , Hoang Phan , Quan Dao , Linh Ngo , Khoat Than , Dinh Phung , Dimitris Metaxas , Trung Le

Topic Modeling refers to the problem of discovering the main topics that have occurred in corpora of textual data, with solutions finding crucial applications in numerous fields. In this work, inspired by the recent advancements in the…

Computation and Language · Computer Science 2021-08-23 Shayan Fazeli , Majid Sarrafzadeh

Real time nature of social networks with bursty short messages and their respective large data scale spread among vast variety of topics are research interest of many researchers. These properties of social networks which are known as 5'Vs…

Computation and Language · Computer Science 2021-08-05 Meysam Asgari-Chenaghlu , Mohammad-Reza Feizi-Derakhshi , Leili farzinvash , Mohammad-Ali Balafar , Cina Motamed

The explosive growth of textual data over time presents a significant challenge in uncovering evolving themes and trends. Existing dynamic topic modeling techniques, while powerful, often exist in fragmented pipelines that lack robust…

Computation and Language · Computer Science 2025-07-15 Suman Adhya , Debarshi Kumar Sanyal

Predictive queries over spatiotemporal (ST) stream data pose significant data processing and analysis challenges. ST data streams involve a set of time series whose data distributions may vary in space and time, exhibiting multiple distinct…

Machine Learning · Statistics 2024-10-03 Anderson Chaves , Eduardo Ogasawara , Patrick Valduriez , Fabio Porto

Unsupervised discovery of stories with correlated news articles in real-time helps people digest massive news streams without expensive human annotations. A common approach of the existing studies for unsupervised online story discovery is…

Information Retrieval · Computer Science 2023-05-05 Susik Yoon , Dongha Lee , Yunyi Zhang , Jiawei Han

Modeling topics effectively in short texts, such as tweets and news snippets, is crucial to capturing rapidly evolving social trends. Existing topic models often struggle to accurately capture the underlying semantic patterns of short…

Computation and Language · Computer Science 2025-02-18 Shuyu Chang , Rui Wang , Peng Ren , Qi Wang , Haiping Huang

This paper presents StreamChat, a novel approach that enhances the interaction capabilities of Large Multimodal Models (LMMs) with streaming video content. In streaming interaction scenarios, existing methods rely solely on visual…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Jihao Liu , Zhiding Yu , Shiyi Lan , Shihao Wang , Rongyao Fang , Jan Kautz , Hongsheng Li , Jose M. Alvare

Virtual brainstorming sessions have become a central component of collaborative problem solving, yet the large volume and uneven distribution of ideas often make it difficult to extract valuable insights efficiently. Manual coding of ideas…

Computation and Language · Computer Science 2026-03-23 Melkamu Abay Mersha , Jugal Kalita

Every day, hundreds of millions of new Tweets containing over 40 languages of ever-shifting vernacular flow through Twitter. Models that attempt to extract insight from this firehose of information must face the torrential covariate shift…

Social and Information Networks · Computer Science 2018-09-21 Dan Shiebler , Luca Belli , Jay Baxter , Hanchen Xiong , Abhishek Tayal

The proliferation of textual data on the Internet presents a unique opportunity for institutions and companies to monitor public opinion about their services and products. Given the rapid generation of such data, the text stream mining…

Computation and Language · Computer Science 2024-08-19 Cristiano Mesquita Garcia , Alessandro Lameiras Koerich , Alceu de Souza Britto , Jean Paul Barddal

Rapid technological advances are inherently linked to the increased amount of data, a substantial portion of which can be interpreted as data stream, capable of exhibiting the phenomenon of concept drift and having a high imbalance ratio.…

Machine Learning · Computer Science 2024-04-25 Paweł Zyblewski