Barbara Hidalgo-Sotelo
Technical docs for the AI, data science, and knowledge graph projects I build and maintain. Each site covers architecture decisions, data models, deployment notes, and lessons learned.
14 years of workout data, an ML classifier that separates runs from dog walks, and a full ETL pipeline from CSV export to interactive dashboard.
A unified interface for comparing outputs across OpenAI, Anthropic, and Google models — with persistent history and automatic topic extraction.
Computer vision and metadata extraction turn four years of hive inspection photos into a queryable knowledge graph with weather correlation.
Extracts temporal events from unstructured text and visualizes them as interactive timelines — surfacing narrative structure from documents.
Transforms family stories and memories into a 14-entity knowledge graph enriched with Wikidata, preserving relationships and provenance across generations.
AI-powered LLC management combining structured data, document search via ChromaDB, and a multi-provider RAG chatbot with a built-in evaluation harness.
Predicts which academic papers are likely to cite each other using a from-scratch TransE implementation over knowledge graph embeddings, with interactive network exploration.