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 2022-05-01 to 2026-05-01.)

Article	Citations
Flexible Clustering with a Sparse Mixture of Generalized Hyperbolic Distributions	100
Expanding the Class of Global Objective Functions for Dissimilarity-Based Hierarchical Clustering	38
Class-Focused Variable Importance in Random Forests for Multi-Class Outcomes	26
Vine Copula-Based Classifiers with Applications	20
On the Local Ultrametricity of Finite Metric Data	15
SNN-PDM: An Improved Probability Density Machine Algorithm Based on Shared Nearest Neighbors Clustering Technique	15
Merging Components in Linear Gaussian Cluster-Weighted Models	13
Editorial: Journal of Classification Vol. 42-3	10
On the Use of Contaminated Normal Distributions for Modeling Data Groups with Heavy Tails and Outliers	9
Double-Layer Conditional Mixture Model for Model-Based Clustering and Automatic Component Merging	9
Clustered Sparse Structural Equation Modeling for Heterogeneous Data	9
Editorial: Journal of Classification Vol. 42-1	8
How to Measure Multidimensional Variation?	7
Group-Wise Shrinkage Estimation in Penalized Model-Based Clustering	7
Erratum: Classification Under Partial Reject Options	7
Editorial: Journal of Classification Vol. 42-2	7
Modelling Group-Switching in Cluster Analysis via Compositional Mixture Components	6
Multiclass Sparse Discriminant Analysis Incorporating Graphical Structure Among Predictors	6
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
Curve Clustering via Pairwise Directions Estimation	5
Automatic Topic Title Assignment with Word Embedding	5
Two Simple but Efficient Algorithms to Recognize Robinson Dissimilarities	5
E-ReMI: Extended Maximal Interaction Two-mode Clustering	4
Clustering Large-scale Time Series	4

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