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Subgroup discovery is a local pattern mining technique to find interpretable descriptions of sub-populations that stand out on a given target variable. That is, these sub-populations are exceptional with regard to the global distribution.…

Databases · Computer Science 2017-09-26 Janis Kalofolias , Mario Boley , Jilles Vreeken

Deriving insights from high-dimensional data is one of the core problems in data mining. The difficulty mainly stems from the fact that there are exponentially many variable combinations to potentially consider, and there are infinitely…

Machine Learning · Statistics 2021-11-08 Jefrey Lijffijt , Bo Kang , Wouter Duivesteijn , Kai Puolamäki , Emilia Oikarinen , Tijl De Bie

We introduce the problem of robust subgroup discovery, i.e., finding a set of interpretable descriptions of subsets that 1) stand out with respect to one or more target attributes, 2) are statistically robust, and 3) non-redundant. Many…

Machine Learning · Computer Science 2022-10-11 Hugo Manuel Proença , Peter Grünwald , Thomas Bäck , Matthijs van Leeuwen

The dearth of prescribing guidelines for physicians is one key driver of the current opioid epidemic in the United States. In this work, we analyze medical and pharmaceutical claims data to draw insights on characteristics of patients who…

Machine Learning · Computer Science 2020-05-01 Chirag Nagpal , Dennis Wei , Bhanukiran Vinzamuri , Monica Shekhar , Sara E. Berger , Subhro Das , Kush R. Varshney

The selection of features is an essential data preprocessing stage in data mining. The core principle of feature selection seems to be to pick a subset of possible features by excluding features with almost no predictive information as well…

Machine Learning · Computer Science 2020-08-11 Mehrdad Rostami , Kamal Berahmand , Saman Forouzandeh

The task of subgroup discovery (SD) is to find interpretable descriptions of subsets of a dataset that stand out with respect to a target attribute. To address the problem of mining large numbers of redundant subgroups, subgroup set…

Machine Learning · Computer Science 2021-03-16 Hugo M. Proença , Peter Grünwald , Thomas Bäck , Matthijs van Leeuwen

Machine learning (ML) models may suffer from significant performance disparities between patient groups. Identifying such disparities by monitoring performance at a granular level is crucial for safely deploying ML to each patient.…

Machine Learning · Computer Science 2025-03-14 Alceu Bissoto , Trung-Dung Hoang , Tim Flühmann , Susu Sun , Christian F. Baumgartner , Lisa M. Koch

Subgroup selection in clinical trials is essential for identifying patient groups that react differently to a treatment, thereby enabling personalised medicine. In particular, subgroup selection can identify patient groups that respond…

We present an interpretable deep model for fine-grained visual recognition. At the core of our method lies the integration of region-based part discovery and attribution within a deep neural network. Our model is trained using image-level…

Computer Vision and Pattern Recognition · Computer Science 2020-05-22 Zixuan Huang , Yin Li

The aim of this paper is to categorize and describe different types of learners in massive open online courses (MOOCs) by means of a subgroup discovery approach based on MapReduce. The final objective is to discover IF-THEN rules that…

Computers and Society · Computer Science 2024-03-12 J. M. Luna , H. M. Fardoun , F. Padillo , C. Romero , S. Ventura

Clinical time series data are critical for patient monitoring and predictive modeling. These time series are typically multivariate and often comprise hundreds of heterogeneous features from different data sources. The grouping of features…

Machine Learning · Computer Science 2025-11-12 Fedor Sergeev , Manuel Burger , Polina Leshetkina , Vincent Fortuin , Gunnar Rätsch , Rita Kuznetsova

In domains where transparency and trustworthiness are crucial, such as healthcare, rule-based systems are widely used and often preferred over black-box models for decision support systems due to their inherent interpretability. However, as…

Machine Learning · Computer Science 2025-06-18 Christel Sirocchi , Damiano Verda

This article presents GuideR, a user-guided rule induction algorithm, which overcomes the largest limitation of the existing methods-the lack of the possibility to introduce user's preferences or domain knowledge to the rule learning…

Machine Learning · Computer Science 2019-04-23 Marek Sikora , Łukasz Wróbel , Adam Gudyś

Scenario discovery is the process of finding areas of interest, known as scenarios, in data spaces resulting from simulations. For instance, one might search for conditions, i.e., inputs of the simulation model, where the system is…

Machine Learning · Computer Science 2022-05-06 Vadim Arzamasov , Klemens Böhm

Grouping patients meaningfully can give insights about the different types of patients, their needs, and the priorities. Finding groups that are meaningful is however very challenging as background knowledge is often required to determine…

Databases · Computer Science 2019-04-04 Seyed Amin Tabatabaei , Xixi Lu , Mark Hoogendoorn , Hajo A. Reijers

In this paper, we address Generalized Category Discovery, aiming to simultaneously uncover novel categories and accurately classify known ones. Traditional methods, which lean heavily on self-supervision and contrastive learning, often fall…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Sarah Rastegar , Mohammadreza Salehi , Yuki M. Asano , Hazel Doughty , Cees G. M. Snoek

Decoding the human brain from electroencephalography (EEG) signals holds promise for understanding neurological activities. However, EEG data exhibit heterogeneity across subjects and sessions, limiting the generalization of existing…

Computational Engineering, Finance, and Science · Computer Science 2026-02-03 Zhi Zhang , Yan Liu , Zhejing Hu , Gong Chen , Jiannong Cao , Shenghua Zhong , Sean Fontaine , Changhong Jing , Shuqiang Wang

In this chapter, we address the problem of rule mining, beginning with essential background information, including measures of rule quality. We then explore various rule mining methodologies, categorized into three groups: inductive logic…

Artificial Intelligence · Computer Science 2024-08-13 Agnieszka Lawrynowicz , Luis Galarraga , Mehwish Alam , Berenice Jaulmes , Vaclav Zeman , Tomas Kliegr

We propose a multi-threshold change plane regression model which naturally partitions the observed subjects into subgroups with different covariate effects. The underlying grouping variable is a linear function of covariates and thus…

Methodology · Statistics 2018-08-03 Jialiang Li , Yaguang Li , Baisuo Jin

In regression and causal inference, controlled subgroup selection aims to identify, with inferential guarantees, a subgroup (defined as a subset of the covariate space) on which the average response or treatment effect is above a given…

Methodology · Statistics 2025-10-31 Nathan Cheng , Asher Spector , Lucas Janson
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