Geospatial GraphRAG Compared to Vector RAG
RAG projects rarely fail for lack of data; the problem usually lies in whether the retrieval method can support questions that depend on relationship…
Category
Data Science
Data analysis, machine learning and applied generative AI projects.
13 articles
Beyond the Bot: The Anatomy of an Operational Agent for Emergencies
When people talk about automation in geoprocessing, they usually picture a script running in a loop or a bot answering predefined commands. In critic…
Beyond Latitude and Longitude: Creating Spatial Embeddings for RAG
When I started combining large language models (LLMs) with geographic data, my first temptation was to treat latitude and longitude as "just two more…
GetCompress: Compressing Raster Stacks to Run Faster Without Losing the Original Grid
While reading a paper on multivariate solar power forecasting with multilevel data fusion, one practical idea kept coming back to me, that with large…
Lessons on AI Applied to Satellite Imagery
AI models for remote sensing deliver increasingly impressive results on academic benchmarks, but moving them into operational environments, where rea…
GeoAI Solution Architecture: Integrating Geolocation and Artificial Intelligence
It's been a long time since I last posted here on the blog. But recently, while looking at search trends on Google Trends, I noticed a remarkable ris…
Financial Analysis for Beef Cattle Farming
It is no secret that Brazil's agricultural industry is booming, and much of that is thanks to the trend and production cycle analyses that help produ…
Credit Risk Assessment
On a sunny day in the middle of the Brazilian semi-arid region, a representative of Fintech λλ reached out asking me to improve their customer credit…
Customer Churn Prediction for Telecom Companies
Telecom companies rely on analyses of customer dissatisfaction to retain and win customers. In this project I build a churn prediction model from scr…
Credit Card Fraud Detection
Credit card fraud is one of the main concerns of financial institutions. In this post, I explore a dataset of European card transactions and build a …
Forecasting Animal Adoptions with Prophet
Environmental preservation, and our wildlife in particular, has always interested me. In this project, I use Facebook's Prophet framework and Austin …
Analysis of Violence in Rio de Janeiro
Ah, Rio de Janeiro, what a marvelous city! But not everything is rosy. In this exploratory analysis of public crime data from ISP-RJ, I look at vehic…
Airbnb Data Analysis - Toronto, Canada
Airbnb is already considered the largest hospitality company in the world, yet it does not own a single hotel. In this post, I run an exploratory ana…
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