Scientific & Research Foundation
The mathematical and physical foundation behind the RIVIXI AI Platform
Overcoming Data Chaos: How Machine Learning Compensates for Inaccurate Utility Records
A case study on how the Decision Fusion pipeline processes messy, unstructured maintenance logs, spatial distortions, and missing variables using Target Encoding and Spatial Aggregation.
Authors: A. Ivanaiskii, E. Ivanaiskii, S. Shipilov. Recall rate: 93.88% // Reduced GIS address errors from 68% to 7%
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Adapting AI Platforms to Legacy Hardware: Dynamic DSP Pipeline Reengineering
Dynamic DSP pipeline reengineering for integrating 6.5 kHz SebaKMT sensors into the cloud backend.
Authors: A. Ivanayskiy, E. Ivanayskiy, S. Shipilov. Welch’s t-test (p < 0.0001)
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Topological AI vs. Classical Cross-Correlation: Overcoming Legacy Defectoscope Vulnerabilities
Overcoming legacy correlator false alarm vulnerabilities at distances over 150m using 1D-CNN.
Authors: E. Ivanayskiy, S. Shipilov. Specificity: 97.7%, Sensitivity: 97.4%
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Computer Vision in Ultrasonic Leak Detection
Applying 2D-CNN to 2D Mel-spectrogram analysis to distinguish point leaks from distributed boiling noise.
Authors: E. Ivanayskiy, A. Ivanayskiy. Filters false positives from groundwater boiling
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Improving Pipeline Failure Prediction via Data Sanitization, Hyperparameter Optimization, and Boosting Blending Ensembles
A multi-model blending ensemble combining XGBoost, CatBoost, LightGBM, and Gradient Boosting with Optuna tuning and data sanitization.
Authors: A. Ivanaiskii, E. Ivanaiskii, S. Shipilov. ROC-AUC: 0.8879 // Precision at Top-20 (Precision@20): 90.0%
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Application of Hybrid Machine Learning Models for Predicting Pipeline Failure Risk in Urban Heat and Water Supply Networks
A two-level hybrid machine learning pipeline using Gradient Boosting and Random Forest with spatial aggregation for asset management.
Authors: E. Ivanaiskii, A. Ivanaiskii, I. Nazarov, P. Chistyakov. Balanced Accuracy: 0.8222 // ROC-AUC: 0.8539
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