Raul Castro Fernandez
Raul Castro Fernandez

Assistant professor in computer science at the University of Chicago

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2025 © Raul Castro Fernandez

Pneuma: LLMs for Navigating Structure Data

Organizations are excited about LLMs for many reasons. A solution that helps organizations understand existing...

2025, Jun 15   —  4 minute read

Human- or Machine-Generated? Identity as a Double-Edged Sword

Distinguishing humans from machines online will soon become nearly impossible. Even today, separating human-generated from...

2025, Apr 08   —  8 minute read

On value, cost, and how to save money when running SQL Queries on the Cloud

What is the value of data? How can we harness data’s value? I am obsessed...

2024, Aug 24   —  4 minute read

This is what we are presenting at SIGMOD'24

SIGMOD’24 will take place in Santiago (Chile) next week, and, as usual, I thought I’d...

2024, Jun 03   —  6 minute read

Adding New Knowledge to LLMs, RAG-style systems, Solo, and More

LLMs are great tools to query unstructured and structured documents, but the knowledge (it’s just...

2023, Dec 04   —  5 minute read

How Large Language Models Will Disrupt Data Management

Large Language models are exciting. Since OpenAI made ChatGPT widely available last November, this class...

2023, Oct 02   —  6 minute read

New Data Discovery Work: Ver and Metam

Over the last year, our group has spent a lot of time pushing on our...

2023, Mar 29   —  5 minute read

Three updates: value of data workshop and two SIGMOD papers

I want to share three updates. The first is about a workshop we are organizing...

2022, May 30   —  7 minute read

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