OOIR: Observatory of International Research

Papers

(The TQCC of Journal of Classification is 2. 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 2021-10-01 to 2025-10-01.)

Article	Citations
Flexible Clustering with a Sparse Mixture of Generalized Hyperbolic Distributions	66
Erratum to: The Spatial Representation of Consumer Dispersion Patterns via a New Multi-level Latent Class Methodology	26
Expanding the Class of Global Objective Functions for Dissimilarity-Based Hierarchical Clustering	17
Vine Copula-Based Classifiers with Applications	15
On the Local Ultrametricity of Finite Metric Data	11
Clustered Sparse Structural Equation Modeling for Heterogeneous Data	11
SNN-PDM: An Improved Probability Density Machine Algorithm Based on Shared Nearest Neighbors Clustering Technique	10
Merging Components in Linear Gaussian Cluster-Weighted Models	9
On the Use of Contaminated Normal Distributions for Modeling Data Groups with Heavy Tails and Outliers	8
Erratum: Classification Under Partial Reject Options	7
Ordinal Trees and Random Forests: Score-Free Recursive Partitioning and Improved Ensembles	7
Group-Wise Shrinkage Estimation in Penalized Model-Based Clustering	7
Editorial: Journal of Classification Vol. 42-1	7
Slope Stability Classification Model Based on Single-Valued Neutrosophic Matrix Energy and Its Application Under a Single-Valued Neutrosophic Matrix Scenario	6
Editorial: Journal of Classification Vol. 42-2	6
Curve Clustering via Pairwise Directions Estimation	6
Multiclass Sparse Discriminant Analysis Incorporating Graphical Structure Among Predictors	6
Automatic Topic Title Assignment with Word Embedding	5
E-ReMI: Extended Maximal Interaction Two-mode Clustering	5
Missing Values and Directional Outlier Detection in Model-Based Clustering	5
Computing Finite Mixture Estimators in the Tails	4
Two Simple but Efficient Algorithms to Recognize Robinson Dissimilarities	4
Natural Language-Based Synthetic Data Generation for Cluster Analysis	4
Imputation Strategies for Clustering Mixed-Type Data with Missing Values	3
Binary Peacock Algorithm: A Novel Metaheuristic Approach for Feature Selection	3

Mixed-Type Distance Shrinkage and Selection for Clustering via Kernel Metric Learning	3
Combining Semi-supervised Clustering and Classification Under a Generalized Framework	3
Random Forest Variable Importance-Based Selection Algorithm in Class Imbalance Problem	3
A Semi-parametric Density Estimation with Application in Clustering	3
Understanding the Adjusted Rand Index and Other Partition Comparison Indices Based on Counting Object Pairs	2
Co-clustering of Time-Dependent Data via the Shape Invariant Model	2
Sensitivity and Specificity versus Precision and Recall, and Related Dilemmas	2
An Effective Crow Search Algorithm and Its Application in Data Clustering	2
Model Selection Strategies for Determining the Optimal Number of Overlapping Clusters in Additive Overlapping Partitional Clustering	2
Nonparametric Cognitive Diagnosis When Attributes Are Polytomous	2
Copula-Based Non-Metric Unfolding on Augmented Data Matrix	2
Inferential Tools for Assessing Dependence Across Response Categories in Multinomial Models with Discrete Random Effects	2
Finite Mixture of Censored Linear Mixed Models for Irregularly Observed Longitudinal Data	2
Detecting Anomalies in European Trade Data Using Directed Weighted Multilayer Dynamic Networks	2
Editorial: Journal of Classification Vol. 40-1	2
Studying Hierarchical Latent Structures in Heterogeneous Populations with Missing Information	2
Erratum to: Variable Selection for Hidden Markov Models with Continuous Variables and Missing Data	2
The Dutch Scaler Performance Indicator: How Much Did My Model Actually Learn?	2
Multinomial Principal Component Logistic Regression on Shape Data	2
Skew Multiple Scaled Mixtures of Normal Distributions with Flexible Tail Behavior and Their Application to Clustering	2
On Assessments of Agreement Between Fuzzy Partitions	2
Model-Based Clustering and Classification Using Mixtures of Multivariate Skewed Power Exponential Distributions	2
Finding Outliers in Gaussian Model-based Clustering	2
Parsimonious Seemingly Unrelated Contaminated Normal Cluster-Weighted Models	2