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s-kav/README.md

Hi there ๐Ÿ‘‹, I'm Sergii Kavun

๐Ÿ‘จโ€๐Ÿ’ป About Me

I am a passionate Researcher & AI Architector with over 25+ years of research experience and 1.2k+ citations Google Scholar โ†—

Research interests reflect 25+ years of experience in data science, machine learning, and interdisciplinary applications across academia and industry, with focus on practical implementations and real-world impact.

๐Ÿ› ๏ธ Technologies & Tools

Python Git

๐Ÿ“Š GitHub Stats & Languages & Summary

GitHub Stats Most Used Languages Profile Summary
Your GitHub stats Top Languages

๐Ÿ“Š Activity Graph

GitHub Activity Graph

๐Ÿš€ Portfolio summary

Project Tech Stack Key Result Link
Enterprise Agents Capstone Python, Multi-Agent AI, Gemini API, Pandas, Asyncio $124M profit optimization, 86.8% approval rate, 138 sanctions triggers GitHub
DS Tools Python, Pandas, NumPy, Sklearn, Plotly 30+ reusable modules for EDA, feature engineering, model evaluation, distances estimation GitHub
Adaptive Bayes Python, PyMC, NumPy, Jupyter Dynamic Bayesian updating with 94% posterior accuracy on non-stationary data GitHub
Complexity Cost Profiler Python, NetworkX, Pandas, Streamlit 30% cost reduction via graph-based complexity scoring of IT services GitHub
KZ Data Imputation Python, Pandas, Scikit-learn, XGBoost 95% imputation accuracy on Wind Turbine Scada Dataset with 40% missingness GitHub
MDSE Theory Python, SymPy, Matplotlib, LaTeX Symbolic derivation & visualization of Novel probabilistic framework GitHub
S3/S4 Activation Function Python, PyTorch, NumPy, Matplotlib Novel activation function outperforming ReLU by 2.3% on CIFAR-10; ~5.5-6.5x speedup demonstrates the effectiveness of the CUDA-accelerated backend for processing large volumes of data GitHub
NOVAK: Unified adaptive optimizer Python, PyTorch, CUDA/cuDNN, NVCC, NumPy #1 accuracy on 3/4 benchmarks: 89.32% CIFAR-10, 66.41% CIFAR-100, 98.11% ImageNet; +11.89 to +19.98 pp advantage over Adam across datasets; 14.9-46.2% memory reduction vs. adaptive methods; 26.0% faster than SGD despite per-epoch overhead; O(p + p/k) memory for lookahead (vs. O(2p) standard); 64.3% lower failure rate than modern adaptive methods will be soon opened

๐Ÿ“ซ Connect with me

LinkedIn Email Profile views

Primary Research Areas

๐Ÿง  ML & DL Architectures
Novel Neural Network Architectures: Development of custom deep learning architectures from scratch, including proprietary hourglass architectures for time series forecasting
Optimization Algorithms: Advanced hyperparameter optimization techniques using Grid Search, Random Search, Optuna, and Neptune for model performance enhancement
Model Interpretability & Explainable AI (XAI): Research into interpretable machine learning models and explanation techniques for complex AI systems
๐Ÿ“Š Time Series (TS) Analysis & Forecasting
Advanced TS Modeling: Implementation and comparison of state-of-the-art models including TimesFM, Lag-Llama, TiDE, NhiTS, N-BEATS, TimeGPT, and Temporal Fusion Transformers (TFT)
Financial Market Prediction: Cryptocurrency and stock market forecasting using deep learning approaches with bi-LSTM and dense layer architectures
Big Data TS: Scalable time series analysis for large-scale financial and banking datasets with MAPE < 10% accuracy targets
๐Ÿ”ค NLP & LLM
Retrieval-Augmented Generation (RAG): Advanced RAG systems implementation with various embedding models and vector databases (ChromaDB, FAISS)
Text-to-SQL Translation: Automated query generation from natural language using transformer-based models and code generation techniques
Multimodal AI: Text-to-Speech (TTS), Speech-to-Text (STT), and Text-to-Image (TTI) systems using cutting-edge models like Whisper, VITS, and Stable Diffusion variants
Zero-Shot & Few-Shot Learning: Classification and pattern recognition without extensive training data
๐Ÿ‘๏ธ CV & Pattern Recognition
Human Pose Estimation: Advanced pose detection and tracking systems for real-world applications
Object Detection & Recognition: Implementation of state-of-the-art detection algorithms with custom optimization techniques
Image Enhancement & Super-Resolution: Multi-slice upscaling techniques using ESRGAN and Stable Diffusion XL models
Medical Image Analysis: Computer vision applications in healthcare and diagnostic imaging
๐Ÿฆ Financial Technology & Security
Anti-Fraud Detection: Pattern recognition and anomaly detection in financial transactions using machine learning approaches
Risk Management Systems: Graph theory algorithms for connectivity analysis in financial institutions
Banking Analytics: Customer behavior analysis, recommendation systems, and Top-of-Wallet predictions
Blockchain & Cryptocurrency: Market analysis and trading strategy development using deep learning
๐Ÿ”— Graph Theory & Network Analysis
Financial Network Connectivity: Mathematical modeling of relationships between financial institutions for risk assessment
Social Network Analysis: Application of graph algorithms to understand complex network structures in various domains
๐ŸŽฏ Recommendation Systems
Advanced RecSys Architectures: Implementation of ensemble methods using GRU4Rec, LightFM, matrix factorization, and attention mechanisms
Cold Start Problem: Novel approaches to recommendation systems for new users and items
Multi-modal Recommendations: Integration of various data types for enhanced recommendation accuracy
โšก High-Performance Computing & Optimization
Distributed Computing: Scalable machine learning using Apache Spark, Dask, and Ray for big data processing
Model Optimization: Parallelization techniques and hardware acceleration for neural network training
MLOps & Deployment: Production-ready machine learning systems with continuous integration and monitoring
๐Ÿค– Agentic AI & Autonomous Systems
LangChain & LangGraph: Development of autonomous AI agents for complex task execution
Multi-Agent Systems: Coordination and collaboration between multiple AI agents
AI Safety & Alignment: Research into safe and beneficial artificial intelligence systems
๐Ÿ”ฎ Generative AI & Creative Applications
Stable Diffusion Research: Advanced image generation techniques and model fine-tuning
AI-Assisted Content Creation: Tools and frameworks for creative industries
Synthetic Data Generation: High-quality synthetic datasets for training and evaluation
๐Ÿ“ˆ Quantitative Finance & Algorithmic Trading
Market Microstructure: High-frequency trading strategies using machine learning
Portfolio Optimization: Multi-objective optimization techniques for investment strategies
Behavioral Finance: Integration of psychological factors in financial modeling
๐Ÿ”ฌ Research Methodologies
CRISP-DM & CRISP-ML(Q): Standardized approaches to data science and machine learning projects
OSEMN Framework: Systematic data science workflow implementation
Custom DSMLC: Proprietary data science and machine learning lifecycle methodologies
๐Ÿ“Š Statistical Analysis & Modeling
Hypothesis Testing: Advanced statistical methods for research validation
Multivariate Analysis: Complex statistical modeling for high-dimensional data
Causal Inference: Methods for establishing causality in observational data
๐Ÿ—๏ธ System Architecture & Engineering
Scalable ML Pipelines: End-to-end machine learning system design and implementation
Cloud Computing: Multi-cloud deployment strategies (GCP, AWS, Azure) for ML workloads
Edge Computing: Optimization of models for mobile and IoT devices using TensorFlow Lite
๐ŸŒŸ Next-Generation AI Systems
Neuromorphic Computing: Brain-inspired computing architectures for AI acceleration
Quantum Machine Learning: Integration of quantum computing with machine learning algorithms
Federated Learning: Privacy-preserving distributed machine learning systems
๐ŸŒ AI for Social Good
Healthcare AI: Medical diagnosis and treatment recommendation systems
Environmental Monitoring: AI applications for climate change and sustainability
Educational Technology: Personalized learning systems and intelligent tutoring
๐Ÿ” Privacy & Security in AI
Differential Privacy: Privacy-preserving machine learning techniques
Adversarial Machine Learning: Robustness against adversarial attacks
Secure Multi-party Computation: Privacy-preserving collaborative AI systems

๐Ÿ”ฅ Streak Stats

GitHub Streak

Pinned Loading

  1. ds_tools ds_tools Public

    Library consisting of additional & helpful functions for data science research stages

    Python 2

  2. adaptive_bayes adaptive_bayes Public

    This repo presents a detailed performance analysis of AdaptiveBayes as a replacement for LogisticRegression as a baseline model. Results are based on classic ML datasets and a wide range of large-sโ€ฆ

    Jupyter Notebook 1

  3. complexity_cost_profiler complexity_cost_profiler Public

    CostComplexityProfiler: Advanced Algorithmic Complexity Assessment Model with Unified Composite Score. A sophisticated static analysis tool designed to evaluate the "cost" of software projects acroโ€ฆ

    Jupyter Notebook 1

  4. kz_data_imputation kz_data_imputation Public

    About missing data imputation new author's method

    Jupyter Notebook 1

  5. mdse_theory mdse_theory Public

    Theory: Multidimensional Space of Events - Novel probabilistic framework

    1

  6. s3_s4_activation_function s3_s4_activation_function Public

    We introduce two novel hybrid activation functions: S3 (Sigmoid-Softsign) and its improved version S4 (Smoothed S3)

    Python 1