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

Article	Citations
Flexible Clustering with a Sparse Mixture of Generalized Hyperbolic Distributions	82
Expanding the Class of Global Objective Functions for Dissimilarity-Based Hierarchical Clustering	32
Vine Copula-Based Classifiers with Applications	18
On the Local Ultrametricity of Finite Metric Data	16
On the Use of Contaminated Normal Distributions for Modeling Data Groups with Heavy Tails and Outliers	12
SNN-PDM: An Improved Probability Density Machine Algorithm Based on Shared Nearest Neighbors Clustering Technique	11
Clustered Sparse Structural Equation Modeling for Heterogeneous Data	11
Merging Components in Linear Gaussian Cluster-Weighted Models	8
Double-Layer Conditional Mixture Model for Model-Based Clustering and Automatic Component Merging	8
Editorial: Journal of Classification Vol. 42-3	8
Editorial: Journal of Classification Vol. 42-1	7
Editorial: Journal of Classification Vol. 42-2	7
Group-Wise Shrinkage Estimation in Penalized Model-Based Clustering	7
Multiclass Sparse Discriminant Analysis Incorporating Graphical Structure Among Predictors	6
Erratum: Classification Under Partial Reject Options	6
Curve Clustering via Pairwise Directions Estimation	6
Missing Values and Directional Outlier Detection in Model-Based Clustering	6
Automatic Topic Title Assignment with Word Embedding	5
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
E-ReMI: Extended Maximal Interaction Two-mode Clustering	5
Computing Finite Mixture Estimators in the Tails	4
Imputation Strategies for Clustering Mixed-Type Data with Missing Values	4
Mixed-Type Distance Shrinkage and Selection for Clustering via Kernel Metric Learning	4
Binary Peacock Algorithm: A Novel Metaheuristic Approach for Feature Selection	3

A Semi-parametric Density Estimation with Application in Clustering	3
Model Selection Strategies for Determining the Optimal Number of Overlapping Clusters in Additive Overlapping Partitional Clustering	3
Erratum to: Mixtures of Quantile-Based Factor Analyzers	3
Extending Cluster-Weighted Factor Analyzers for Multivariate Prediction and Interpretability	3
Copula-Based Non-Metric Unfolding on Augmented Data Matrix	3
Natural Language-Based Synthetic Data Generation for Cluster Analysis	3
Erratum to: Variable Selection for Hidden Markov Models with Continuous Variables and Missing Data	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
Random Forest Variable Importance-Based Selection Algorithm in Class Imbalance Problem	3
Studying Hierarchical Latent Structures in Heterogeneous Populations with Missing Information	3
Finding Outliers in Gaussian Model-based Clustering	3