OOIR: Observatory of International Research

Papers

(The TQCC of Journal of Classification is 3. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-08-01 to 2026-08-01.)

Article	Citations
Flexible Clustering with a Sparse Mixture of Generalized Hyperbolic Distributions	44
On the Local Ultrametricity of Finite Metric Data	28
Expanding the Class of Global Objective Functions for Dissimilarity-Based Hierarchical Clustering	20
Class-Focused Variable Importance in Random Forests for Multi-Class Outcomes	17
Vine Copula-Based Classifiers with Applications	15
SNN-PDM: An Improved Probability Density Machine Algorithm Based on Shared Nearest Neighbors Clustering Technique	13
Editorial: Journal of Classification Vol. 42-3	11
Double-Layer Conditional Mixture Model for Model-Based Clustering and Automatic Component Merging	10
Clustered Sparse Structural Equation Modeling for Heterogeneous Data	10
On the Use of Contaminated Normal Distributions for Modeling Data Groups with Heavy Tails and Outliers	10
Merging Components in Linear Gaussian Cluster-Weighted Models	9
Editorial: Journal of Classification Vol. 42-2	8
Group-Wise Shrinkage Estimation in Penalized Model-Based Clustering	8
Erratum: Classification Under Partial Reject Options	8
Editorial: Journal of Classification Vol. 42-1	8
Multiclass Sparse Discriminant Analysis Incorporating Graphical Structure Among Predictors	7
Modelling Group-Switching in Cluster Analysis via Compositional Mixture Components	7
How to Measure Multidimensional Variation?	6
Curve Clustering via Pairwise Directions Estimation	6
Automatic Topic Title Assignment with Word Embedding	6
Two Simple but Efficient Algorithms to Recognize Robinson Dissimilarities	5
Slope Stability Classification Model Based on Single-Valued Neutrosophic Matrix Energy and Its Application Under a Single-Valued Neutrosophic Matrix Scenario	5
Missing Values and Directional Outlier Detection in Model-Based Clustering	5
Imputation Strategies for Clustering Mixed-Type Data with Missing Values	4
Random Forest Variable Importance-Based Selection Algorithm in Class Imbalance Problem	4

Computing Finite Mixture Estimators in the Tails	4
Clustering Large-scale Time Series	4
FunCWM: Functional Cluster-Weighted Models and Their Applications to Climatological Functional Data	4
E-ReMI: Extended Maximal Interaction Two-mode Clustering	4
Natural Language-Based Synthetic Data Generation for Cluster Analysis	4
Continuous Sweep for Binary Quantification Learning	4
Studying Hierarchical Latent Structures in Heterogeneous Populations with Missing Information	3
Erratum to: Mixtures of Quantile-Based Factor Analyzers	3
A Semi-parametric Density Estimation with Application in Clustering	3
Mixed-Type Distance Shrinkage and Selection for Clustering via Kernel Metric Learning	3
Temporal Categorical Modeling Using Latent Gaussian Processes	3
Erratum to: Variable Selection for Hidden Markov Models with Continuous Variables and Missing Data	3
Combining Semi-supervised Clustering and Classification Under a Generalized Framework	3
Copula-Based Non-Metric Unfolding on Augmented Data Matrix	3
Finding Outliers in Gaussian Model-based Clustering	3
Model-Based Clustering and Classification Using Mixtures of Multivariate Skewed Power Exponential Distributions	3
Extending Cluster-Weighted Factor Analyzers for Multivariate Prediction and Interpretability	3
Binary Peacock Algorithm: A Novel Metaheuristic Approach for Feature Selection	3