OOIR: Observatory of International Research

Papers

(The H4-Index of Machine Learning is 26. 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 2021-09-01 to 2025-09-01.)

Article	Citations
Automated imbalanced classification via layered learning	219
Adapting performance metrics for ordinal classification to interval scale: length matters	162
One-Stage Tree: end-to-end tree builder and pruner	121
Parameter identifiability of a deep feedforward ReLU neural network	90
Maximum causal entropy inverse constrained reinforcement learning	86
Surrogate models of radiative transfer codes for atmospheric trace gas retrievals from satellite observations	79
Semantic-enhanced graph neural networks with global context representation	68
Fairness seen as global sensitivity analysis	65
Resolving power: a general approach to compare the distinguishing ability of threshold-free evaluation metrics	64
Modelling spatiotemporal dynamics from Earth observation data with neural differential equations	55
Compositional scene modeling with global object-centric representations	55
A review on instance ranking problems in statistical learning	54
Meta-learning for heterogeneous treatment effect estimation with closed-form solvers	50
Learning to bid and rank together in recommendation systems	47
Spike2CGR: an efficient method for spike sequence classification using chaos game representation	38
The role of mutual information in variational classifiers	35
Robust reputation independence in ranking systems for multiple sensitive attributes	34
SETAR-Tree: a novel and accurate tree algorithm for global time series forecasting	33
Masked autoencoder for multiagent trajectories	30
Invariant representation learning via decoupling style and spurious features	29
Differentially-private data synthetisation for efficient re-identification risk control	29
Simultaneous outlier detection and elimination in hyperspectral unmixing via weighted non-negative matrix tri-factorization	29
Towards accurate knowledge transfer via target-awareness representation disentanglement	28
Learning any memory-less discrete semantics for dynamical systems represented by logic programs	27
Chinese character recognition with radical-structured stroke trees	27

Optimal survival trees	27
An accelerated proximal algorithm for regularized nonconvex and nonsmooth bi-level optimization	26
LaMMOn: language model combined graph neural network for multi-target multi-camera tracking in online scenarios	26