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While prior work on group recommender systems (GRSs) has primarily focused on improving recommendation accuracy, most approaches assume static or predefined groups, making them unsuitable for dynamic, real-world scenarios. We reframe group…

机器学习 · 计算机科学 2025-11-06 Junhyung Park , Hyungjin Kim , Seokho Ahn , Young-Duk Seo

Long-range sequence modeling is a crucial aspect of natural language processing and time series analysis. However, traditional models like Recurrent Neural Networks (RNNs) and Transformers suffer from computational and memory…

人工智能 · 计算机科学 2025-01-15 Mohamed A. Taha

Deep learning has been actively studied for time series forecasting, and the mainstream paradigm is based on the end-to-end training of neural network architectures, ranging from classical LSTM/RNNs to more recent TCNs and Transformers.…

机器学习 · 计算机科学 2022-05-06 Gerald Woo , Chenghao Liu , Doyen Sahoo , Akshat Kumar , Steven Hoi

This paper presents a basic enhancement to the DeSTIN deep learning architecture by replacing the explicitly calculated transition tables that are used to capture temporal features with a simpler, more scalable mechanism. This mechanism…

计算机视觉与模式识别 · 计算机科学 2013-01-17 Steven R. Young , Itamar Arel

Most learning approaches treat dimensionality reduction (DR) and clustering separately (i.e., sequentially), but recent research has shown that optimizing the two tasks jointly can substantially improve the performance of both. The premise…

机器学习 · 计算机科学 2017-06-15 Bo Yang , Xiao Fu , Nicholas D. Sidiropoulos , Mingyi Hong

Getting a robust time-series clustering with best choice of distance measure and appropriate representation is always a challenge. We propose a novel mechanism to identify the clusters combining learned compact representation of…

机器学习 · 计算机科学 2021-01-12 Soma Bandyopadhyay , Anish Datta , Arpan Pal

Autonomous robotic systems require advanced control frameworks to achieve complex temporal objectives that extend beyond conventional stability and trajectory tracking. Signal Temporal Logic (STL) provides a formal framework for specifying…

系统与控制 · 电气工程与系统科学 2025-04-29 Kazunobu Serizawa , Kazumune Hashimoto , Wataru Hashimoto , Masako Kishida , Shigemasa Takai

Transformers are the de-facto choice for sequence modelling, yet their quadratic self-attention and weak temporal bias can make long-range forecasting both expensive and brittle. We introduce FreezeTST, a lightweight hybrid that interleaves…

机器学习 · 计算机科学 2025-10-21 Pradeep Singh , Mehak Sharma , Anupriya Dey , Balasubramanian Raman

Image clustering is an important but challenging task in machine learning. As in most image processing areas, the latest improvements came from models based on the deep learning approach. However, classical deep learning methods have…

计算机视觉与模式识别 · 计算机科学 2019-10-25 Thiago V. M. Souza , Cleber Zanchettin

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

Co-clustering is a specific type of clustering that addresses the problem of finding groups of objects without necessarily considering all attributes. This technique has shown to have more consistent results in high-dimensional sparse data…

机器学习 · 计算机科学 2021-10-28 Yuri Santos , Jônata Tyska , Vania Bogorny

Clustering is a core task in machine learning with wide-ranging applications in data mining and pattern recognition. However, its unsupervised nature makes it inherently challenging. Many existing clustering algorithms suffer from critical…

机器学习 · 计算机科学 2025-07-29 Ahmed Shokry , Ayman Khalafallah

Deep clustering methods typically rely on a single, well-defined representation for clustering. In contrast, pretrained diffusion models provide abundant and diverse multi-scale representations across network layers and noise timesteps.…

Deep learning models achieve state-of-the-art performance across domains but face scalability challenges in real-time or resource-constrained scenarios. To address this, we propose Loss Trajectory Correlation (LTC), a novel metric for…

机器学习 · 计算机科学 2025-03-14 Manish Nagaraj , Deepak Ravikumar , Efstathia Soufleri , Kaushik Roy

Cluster analysis, or clustering, plays a crucial role across numerous scientific and engineering domains. Despite the wealth of clustering methods proposed over the past decades, each method is typically designed for specific scenarios and…

统计方法学 · 统计学 2026-01-22 Siyi Wang , Alexandre Leblanc , Paul D. McNicholas

Deep clustering (DC) is often quoted to have a key advantage over $k$-means clustering. Yet, this advantage is often demonstrated using image datasets only, and it is unclear whether it addresses the fundamental limitations of $k$-means…

机器学习 · 计算机科学 2026-02-06 Kai Ming Ting , Wei-Jie Xu , Hang Zhang

Large-scale LiDAR-based point cloud semantic segmentation is a critical task in autonomous driving perception. Almost all of the previous state-of-the-art LiDAR semantic segmentation methods are variants of sparse 3D convolution. Although…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Chuanyu Luo , Nuo Cheng , Sikun Ma , Han Li , Xiaohan Li , Shengguang Lei , Pu Li

Analysis of time-series data allows to identify long-term trends and make predictions that can help to improve our lives. With the rapid development of artificial neural networks, long short-term memory (LSTM) recurrent neural network (RNN)…

新兴技术 · 计算机科学 2018-09-11 Kazybek Adam , Kamilya Smagulova , Alex Pappachen James

Time series analysis has gained significant attention due to its critical applications in diverse fields such as healthcare, finance, and sensor networks. The complexity and non-stationarity of time series make it challenging to capture the…

机器学习 · 计算机科学 2024-10-31 Guancen Lin , Cong Shen , Aijing Lin

This paper proposes a low algorithmic latency adaptation of the deep clustering approach to speaker-independent speech separation. It consists of three parts: a) the usage of long-short-term-memory (LSTM) networks instead of their…

声音 · 计算机科学 2019-02-20 Shanshan Wang , Gaurav Naithani , Tuomas Virtanen