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Many organisations manage service quality and monitor a large set devices and servers where each entity is associated with telemetry or physical sensor data series. Recently, various methods have been proposed to detect behavioural…

社会与信息网络 · 计算机科学 2023-05-10 Len Feremans , Boris Cule , Bart Goethals

We investigate the problem of jointly testing two hypotheses and estimating a random parameter based on data that is observed sequentially by sensors in a distributed network. In particular, we assume the data to be drawn from a Gaussian…

信号处理 · 电气工程与系统科学 2020-03-04 Dominik Reinhard , Michael Fauß , Abdelhak M. Zoubir

Joint diagonalization, the process of finding a shared set of approximate eigenvectors for a collection of matrices, arises in diverse applications such as multidimensional harmonic analysis or quantum information theory. This task is…

最优化与控制 · 数学 2025-02-12 Erik Troedsson , Marcus Carlsson , Herwig Wendt

The aim of dataset distillation is to encode the rich features of an original dataset into a tiny dataset. It is a promising approach to accelerate neural network training and related studies. Different approaches have been proposed to…

The community structure of a complex network can be determined by finding the partitioning of its nodes that maximizes modularity. Many of the proposed algorithms for doing this work by recursively bisecting the network. We show that this…

计算机与社会 · 计算机科学 2015-05-13 Yudong Sun , Bogdan Danila , Kresimir Josic , Kevin E. Bassler

Studying materials informatics from a data mining perspective can be beneficial for manufacturing and other industrial engineering applications. Predictive data mining technique and machine learning algorithm are combined to design a…

数据库 · 计算机科学 2012-09-20 Doreswamy , Hemanth K. S

This paper discusses an approach with machine-learning probability models to evaluate the difference between good and bad data quality in a dataset. A decision tree algorithm is used to predict data quality based on no domain knowledge of…

机器学习 · 计算机科学 2020-09-16 Allen ONeill

A principled approach to cyclicality and intransitivity in paired comparison data is developed. The proposed methodology enables more precise estimation of the underlying preference profile and facilitates the identification of all cyclic…

统计方法学 · 统计学 2025-10-08 Rahul Singh , Ori Davidov

Community detection is key to understand the structure of complex networks. However, the lack of appropriate evaluation strategies for this specific task may produce biased and incorrect results that might invalidate further analyses or…

社会与信息网络 · 计算机科学 2019-09-24 Jeancarlo Campos Leão , Alberto H. F. Laender , Pedro O. S. Vaz de Melo

This paper proposes a joint detection and estimation (JDE) scheme based on mutual information for the radar work, whose goal is to choose the true one between target existent and target absence, and to estimate the unknown distance…

信息论 · 计算机科学 2022-01-13 Nan Wang , Dazhuan Xu

A fine-grained data recipe is crucial for pre-training large language models, as it can significantly enhance training efficiency and model performance. One important ingredient in the recipe is to select samples based on scores produced by…

计算与语言 · 计算机科学 2026-01-01 Ziqing Fan , Yuqiao Xian , Yan Sun , Li Shen

This paper addresses the problem of community detection in networked data that combines link and content analysis. Most existing work combines link and content information by a generative model. There are two major shortcomings with the…

社会与信息网络 · 计算机科学 2012-05-14 Tianbao Yang , Rong Jin , Yun Chi , Shenghuo Zhu

High-dimensional datasets depict a challenge for learning tasks in data mining and machine learning. Feature selection is an effective technique in dealing with dimensionality reduction. It is often an essential data processing step prior…

Aggregating different image features for image retrieval has recently shown its effectiveness. While highly effective, though, the question of how to uplift the impact of the best features for a specific query image persists as an open…

计算机视觉与模式识别 · 计算机科学 2018-08-16 Leulseged Tesfaye Alemu , Marcello Pelillo

Many systems can be described using graphs, or networks. Detecting communities in these networks can provide information about the underlying structure and functioning of the original systems. Yet this detection is a complex task and a…

数据结构与算法 · 计算机科学 2013-02-06 Erwan Le Martelot , Chris Hankin

Dense sub-graphs of sparse graphs (communities), which appear in most real-world complex networks, play an important role in many contexts. Most existing community detection algorithms produce a hierarchical structure of community and seek…

数据结构与算法 · 计算机科学 2021-01-13 Pascal Pons , Matthieu Latapy

Existing works about fashion outfit compatibility focus on predicting the overall compatibility of a set of fashion items with their information from different modalities. However, there are few works explore how to explain the prediction,…

计算机视觉与模式识别 · 计算机科学 2019-08-23 Xin Wang , Bo Wu , Yun Ye , Yueqi Zhong

In this paper, we present a general scheme for building reproducible and extensible datasets for website phishing detection. The aim is to (1) enable comparison of systems using different features, (2) overtake the short-lived nature of…

密码学与安全 · 计算机科学 2024-04-24 Abdelhakim Hannousse , Salima Yahiouche

In this dissertation, we present a generative model to capture the relation between facial image quality features (like pose, illumination direction, etc) and face recognition performance. Such a model can be used to predict the performance…

计算机视觉与模式识别 · 计算机科学 2015-10-27 Abhishek Dutta

Retrieving relevant tables containing the necessary information to accurately answer a given question over tables is critical to open-domain question-answering (QA) systems. Previous methods assume the answer to such a question can be found…

信息检索 · 计算机科学 2025-01-13 Peter Baile Chen , Yi Zhang , Dan Roth