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Classification and clustering are both important topics in statistical learning. A natural question herein is whether predefined classes are really different from one another, or whether clusters are really there. Specifically, we may be…

机器学习 · 统计学 2015-09-22 Qiyi Lu , Xingye Qiao

This article presents a novel approach to estimate semantic entity similarity using entity features available as Linked Data. The key idea is to exploit ranked lists of features, extracted from Linked Data sources, as a representation of…

Many learning algorithms such as kernel machines, nearest neighbors, clustering, or anomaly detection, are based on the concept of 'distance' or 'similarity'. Before similarities are used for training an actual machine learning model, we…

Adjusted for chance measures are widely used to compare partitions/clusterings of the same data set. In particular, the Adjusted Rand Index (ARI) based on pair-counting, and the Adjusted Mutual Information (AMI) based on Shannon information…

机器学习 · 统计学 2015-12-07 Simone Romano , Nguyen Xuan Vinh , James Bailey , Karin Verspoor

Many tasks in data mining and related fields can be formalized as matching between objects in two heterogeneous domains, including collaborative filtering, link prediction, image tagging, and web search. Machine learning techniques,…

机器学习 · 计算机科学 2014-10-24 Jingbo Shang , Tianqi Chen , Hang Li , Zhengdong Lu , Yong Yu

Machine learning (ML) systems for medical imaging have demonstrated remarkable diagnostic capabilities, but their susceptibility to biases poses significant risks, since biases may negatively impact generalization performance. In this…

机器学习 · 计算机科学 2025-04-29 Haroui Ma , Francesco Quinzan , Theresa Willem , Stefan Bauer

Whether class labels in a given data set correspond to meaningful clusters is crucial for the evaluation of clustering algorithms using real-world data sets. This property can be quantified by separability measures. The central aspects of…

机器学习 · 统计学 2025-04-11 Jana Gauss , Fabian Scheipl , Moritz Herrmann

Background Deriving feature rankings is essential in bioinformatics studies since the ordered features are important in guiding subsequent research. Feature rankings may be distorted by influential points (IP), but such effects are rarely…

应用统计 · 统计学 2023-03-21 Shuo Wang , Junyan Lu

In artificial neural networks, understanding the contributions of input features on the prediction fosters model explainability and delivers relevant information about the dataset. While typical setups for feature importance ranking assess…

Process models generated through process mining depict the as-is state of a process. Through annotations with metrics such as the frequency or duration of activities, these models provide generic information to the process analyst. To…

机器学习 · 计算机科学 2021-02-04 Matthias Stierle , Sven Weinzierl , Maximilian Harl , Martin Matzner

The Ripper algorithm is designed to generate rule sets for large datasets with many features. However, it was shown that the algorithm struggles with classification performance in the presence of missing data. The algorithm struggles to…

机器学习 · 计算机科学 2011-08-24 Mlungisi Duma , Bhekisipho Twala , Tshilidzi Marwala

Random features is one of the most popular techniques to speed up kernel methods in large-scale problems. Related works have been recognized by the NeurIPS Test-of-Time award in 2017 and the ICML Best Paper Finalist in 2019. The body of…

机器学习 · 统计学 2021-07-13 Fanghui Liu , Xiaolin Huang , Yudong Chen , Johan A. K. Suykens

The growth of data today poses a challenge in management and inference. While feature extraction methods are capable of reducing the size of the data for inference, they do not help in minimizing the cost of data storage. On the other hand,…

机器学习 · 计算机科学 2022-03-04 Thu Nguyen , Thanh Nhan Phan , Van Nhuong Nguyen , Thanh Binh Nguyen , Pål Halvorsen , Michael Riegler

This paper defines the notion of analogical dissimilarity between four objects, with a special focus on objects structured as sequences. Firstly, it studies the case where the four objects have a null analogical dissimilarity, i.e. are in…

机器学习 · 计算机科学 2014-01-16 Laurent Miclet , Sabri Bayoudh , Arnaud Delhay

As machine learning continues to gain prominence, transparency and explainability are increasingly critical. Without an understanding of these models, they can replicate and worsen human bias, adversely affecting marginalized communities.…

机器学习 · 计算机科学 2024-05-30 Dongwhi Kim , Nuno Moniz

Recently, representation learning with contrastive learning algorithms has been successfully applied to challenging unlabeled datasets. However, these methods are unable to distinguish important features from unimportant ones under simply…

计算机视觉与模式识别 · 计算机科学 2024-08-12 Toshiyuki Oshima , Kentaro Takagi , Kouta Nakata

Unbiased Learning to Rank (ULTR) aims to train unbiased ranking models from biased click logs, by explicitly modeling a generation process for user behavior and fitting click data based on examination hypothesis. Previous research found…

信息检索 · 计算机科学 2024-05-27 Mouxiang Chen , Chenghao Liu , Zemin Liu , Zhuo Li , Jianling Sun

This article proposes an inferential framework for comparing predictor importance in classification problems with categorical response variables. The approach is based on the categorical Gini correlation (CGC) proposed by Dang et al.…

统计方法学 · 统计学 2026-05-19 Sameera Hewage , Yongli Sang

The promise of active learning (AL) is to reduce labelling costs by selecting the most valuable examples to annotate from a pool of unlabelled data. Identifying these examples is especially challenging with high-dimensional data (e.g.…

计算机视觉与模式识别 · 计算机科学 2022-03-15 Amin Parvaneh , Ehsan Abbasnejad , Damien Teney , Reza Haffari , Anton van den Hengel , Javen Qinfeng Shi

Multi-label learning has emerged as a crucial paradigm in data analysis, addressing scenarios where instances are associated with multiple class labels simultaneously. With the growing prevalence of multi-label data across diverse…

计算机视觉与模式识别 · 计算机科学 2023-09-27 Sadegh Eskandari , Sahar Ghassabi