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Contrastive deep clustering has recently gained significant attention with its ability of joint contrastive learning and clustering via deep neural networks. Despite the rapid progress, previous works mostly require both positive and…

机器学习 · 计算机科学 2023-01-12 Xiaozhi Deng , Dong Huang , Chang-Dong Wang

Most work in text classification and Natural Language Processing (NLP) focuses on English or a handful of other languages that have text corpora of hundreds of millions of words. This is creating a new version of the digital divide: the…

计算与语言 · 计算机科学 2019-03-28 Meryem M'hamdi , Robert West , Andreea Hossmann , Michael Baeriswyl , Claudiu Musat

Short text clustering has been popularly studied for its significance in mining valuable insights from many short texts. In this paper, we focus on the federated short text clustering (FSTC) problem, i.e., clustering short texts that are…

计算与语言 · 计算机科学 2023-12-14 Mengling Hu , Chaochao Chen , Weiming Liu , Xinting Liao , Xiaolin Zheng

Meme clustering is critical for toxicity detection, virality modeling, and typing, but it has received little attention in previous research. Clustering similar Internet memes is challenging due to their multimodality, cultural context, and…

计算与语言 · 计算机科学 2025-05-05 Tygo Bloem , Filip Ilievski

With the rapid development of online social media, online shopping sites and cyber-physical systems, heterogeneous information networks have become increasingly popular and content-rich over time. In many cases, such networks contain…

数据库 · 计算机科学 2012-02-01 Yizhou Sun , Charu C. Aggarwal , Jiawei Han

Community detection in online social networks has been a hot research topic in recent years. Meanwhile, to enjoy more social network services, users nowadays are usually involved in multiple online social networks simultaneously, some of…

社会与信息网络 · 计算机科学 2015-06-19 Jiawei Zhang , Philip S. Yu

Clustering web documents has numerous applications, such as aggregating news articles into meaningful events, detecting trends and hot topics on the Web, preserving diversity in search results, etc. At the same time, the importance of named…

计算与语言 · 计算机科学 2016-07-19 Matthias Galle , Jean-Michel Renders , Guillaume Jacquet

Text clustering serves as a fundamental technique for organizing and interpreting unstructured textual data, particularly in contexts where manual annotation is prohibitively costly. With the rapid advancement of Large Language Models…

计算与语言 · 计算机科学 2025-10-08 Chen Huang , Guoxiu He

Text clustering holds significant value across various domains due to its ability to identify patterns and group related information. Current approaches which rely heavily on a computed similarity measure between documents are often limited…

信息检索 · 计算机科学 2025-04-09 Laurence Hirsch , Robin Hirsch , Bayode Ogunleye

The time at which a message is communicated is a vital piece of metadata in many real-world natural language processing tasks such as Topic Detection and Tracking (TDT). TDT systems aim to cluster a corpus of news articles by event, and in…

计算与语言 · 计算机科学 2024-03-27 Hang Jiang , Doug Beeferman , Weiquan Mao , Deb Roy

Aligning coordinated text streams from multiple sources and multiple languages has opened many new research venues on cross-lingual knowledge discovery. In this paper we aim to advance state-of-the-art by: (1). extending coarse-grained…

计算与语言 · 计算机科学 2016-09-28 Tao Ge , Qing Dou , Xiaoman Pan , Heng Ji , Lei Cui , Baobao Chang , Zhifang Sui , Ming Zhou

Cross-lingual topic models have been prevalent for cross-lingual text analysis by revealing aligned latent topics. However, most existing methods suffer from producing repetitive topics that hinder further analysis and performance decline…

计算与语言 · 计算机科学 2024-03-28 Xiaobao Wu , Xinshuai Dong , Thong Nguyen , Chaoqun Liu , Liangming Pan , Anh Tuan Luu

Event detection in text streams is a crucial task for the analysis of online media and social networks. One of the current challenges in this field is establishing a performance standard while maintaining an acceptable level of…

计算与语言 · 计算机科学 2024-12-23 Marjolaine Ray , Qi Wang , Frédérique Mélanie-Becquet , Thierry Poibeau , Béatrice Mazoyer

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…

信息检索 · 计算机科学 2014-01-13 R. Jensi , Dr. G. Wiselin Jiji

Clustering short text is a difficult problem, due to the low word co-occurrence between short text documents. This work shows that large language models (LLMs) can overcome the limitations of traditional clustering approaches by generating…

计算与语言 · 计算机科学 2025-04-08 Justin K. Miller , Tristram J. Alexander

We present a hybrid method for latent information discovery on the data sets containing both text content and connection structure based on constrained low rank approximation. The new method jointly optimizes the Nonnegative Matrix…

机器学习 · 计算机科学 2017-03-29 Rundong Du , Barry Drake , Haesun Park

Hierarchical Text Classification (HTC) is a natural language processing task with the objective to classify text documents into a set of classes from a structured class hierarchy. Many HTC approaches have been proposed which attempt to…

信息检索 · 计算机科学 2024-12-02 Jaco du Toit , Herman Redelinghuys , Marcel Dunaiski

Text clustering is an important method for organising the increasing volume of digital content, aiding in the structuring and discovery of hidden patterns in uncategorised data. The effectiveness of text clustering largely depends on the…

计算与语言 · 计算机科学 2024-12-06 Alina Petukhova , João P. Matos-Carvalho , Nuno Fachada

Clustering is a fundamental tool that has garnered significant interest across a wide range of applications including text analysis. To improve clustering accuracy, many researchers have incorporated background knowledge, typically in the…

机器学习 · 计算机科学 2026-01-19 Chaoqi Jia , Weihong Wu , Longkun Guo , Zhigang Lu , Chao Chen , Kok-Leong Ong

Contextual large language model embeddings are increasingly utilized for topic modeling and clustering. However, current methods often scale poorly, rely on opaque similarity metrics, and struggle in multilingual settings. In this work, we…

计算与语言 · 计算机科学 2025-06-03 Hans W. A. Hanley , Zakir Durumeric