Volume XIV • Technical Archive

Articles

A curated collection of technical explorations, architectural insights, and research findings from the intersection of AI and distributed systems.

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Beyond Flat Search - Mastering Hierarchical RAG
Article
March 2026 3 min read

Beyond Flat Search - Mastering Hierarchical RAG

Solving "Lost in the Middle" problem with Auto-Merging Retrieval and LlamaIndex.

AI/ML
William Golovlev arrow_forward
Building Trust in AI: Engineering an Explainable Document Research Assistant
AI Engineering
February 2026 6 min read

Building Trust in AI: Engineering an Explainable Document Research Assistant

How I solved the AI 'Black Box' problem using hybrid search, reranking, and programmatic faithfulness scoring to create a transparent RAG pipeline.

RAG Explainable AI LangSmith
AI Engineering
William Golovlev arrow_forward
FitXAI Implementation - Building an Explainable AI (xAI) Workout Coach
Machine Learning
February 2026 8 min read

FitXAI Implementation - Building an Explainable AI (xAI) Workout Coach

Deep dive into the implementation of FitXAI - an ensemble-based xAI inference engine that provides transparent workout recommendations using Random Forests and SHAP explanations.

Random Forest SHAP Streamlit
Machine Learning
William Golovlev arrow_forward
Random Forests in 10 Minutes - Wisdom of the Crowd
AI/ML
January 2026 3 min read

Random Forests in 10 Minutes - Wisdom of the Crowd

Moving from a single neural network to a "forest" of decision makers.

Machine Learning Random Forest Decision Trees
AI/ML
William Golovlev arrow_forward
Turning the Key - Building a Neural Network From Scratch
Article
January 2026 4 min read

Turning the Key - Building a Neural Network From Scratch

Going line-by-line through the "Master Loop" that powers modern AI.

AI/ML
William Golovlev arrow_forward
The AI Compass: Gradients & The Mountain of Loss
AI/ML
January 2026 2 min read

The AI Compass: Gradients & The Mountain of Loss

Understanding how gradients guide AI models down the mountain of loss toward better predictions.

Machine Learning Gradients AI Tutorial
AI/ML
William Golovlev arrow_forward
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