https://fern.andrez.xyz/blog/ Articles on Machine Learning, Agentic AI, LLMs, RAG systems, Knowledge Graphs, and enterprise AI by Andrés Fernández (fernandrez). en-us Copyright 2026 Andrés Fernández fernandrez@iseeci.com (Andrés Fernández) fernandrez@iseeci.com (Andrés Fernández) Tue, 29 Apr 2026 00:00:00 +0000 fernandrez handcrafted RSS https://fern.andrez.xyz/images/profile.jpg https://fern.andrez.xyz/blog/ https://www.tailoredia.com/deepscope.html https://www.tailoredia.com/deepscope.html Thu, 27 Feb 2025 00:00:00 +0000 Andrés Fernández Manifold Learning t-SNE UMAP Business Intelligence How manifold learning with t-SNE/UMAP and transformer embeddings transforms complex high-dimensional data into actionable customer strategies. https://www.tailoredia.com/semandjic.html https://www.tailoredia.com/semandjic.html Tue, 04 Feb 2025 00:00:00 +0000 Andrés Fernández Django LLM Python A Django library that elegantly solves handling complex, nested data structures from LLMs in Django applications. https://www.linkedin.com/in/fernandrez/recent-activity/articles/ fern.andrez.xyz/blog/deepscope-linkedin-2025 Wed, 01 Jan 2025 00:00:00 +0000 Andrés Fernández Manifold Learning Data Visualization A comprehensive analysis of distance-based manifold learning, t-SNE/UMAP dimensionality reduction, and multi-metric approaches for high-dimensional data visualization. https://www.linkedin.com/in/fernandrez/recent-activity/articles/ fern.andrez.xyz/blog/kernel-hnsw-2025 Wed, 01 Jan 2025 00:00:00 +0000 Andrés Fernández Kernel Methods HNSW Vector Database Exploring how kernel methods transform non-linearly separable problems and how HNSW graphs enable efficient nearest neighbor search in high-dimensional spaces.