Diego Lopes

Lead Data Engineer · MSc. @ USP · NLP Researcher · Text-to-SQL & NL Interfaces for Databases

[Diego Lopes @datafromlopes]

How do computers know which words matter most in a text? 🤔

TF-IDF is a classic NLP metric that still works perfectly. I just published a simple guide covering the core idea, the math, and a step-by-step example.

📖 Check it out: https://t.co/0aHCIthUxp

#NLP #TextProcessing

[Diego Lopes @datafromlopes]

Still impressed by Cassandra's performance: 3.7B writes at 0.014ms, 51M reads at 0.30ms on my 12-node AWS cluster. Rack-aware across 3 AZs. Proper modeling makes all the difference for distributed systems.

#Cassandra #NoSQL #DistributedSystems #AWS

[Diego Lopes @datafromlopes]

When the conference date is approaching and you need to finish all the fine-tuning experiments asap. There’s no time to sleep. 😴

#ai #finetuning #deeplearning #llm

[Diego Lopes @datafromlopes]

@wandb My research for my master's degree focuses on the automated translation of natural language geospatial queries into SQL.

[Diego Lopes @datafromlopes]

I’m going to start using W&B over MLFlow. What do you think about it? Is a good choice?

Which ones do you prefer?

#MachineLearning #mlops

[Diego Lopes @datafromlopes]

Ai #bolhadev se vocês trabalham com pesquisa e precisam gerenciar diversos artigos, o Zotero + obsidian é uma mão na roda.

[Diego Lopes @datafromlopes]

@mazei_lucas Eu estou testando o n8n para colocar em prod uma RAG. Realmente facilita muito a vida, a facilidade de conectar em diversas bases e escolher entre vários modelos.

Ainda gosto de criar na mão por conta de pesquisas tbm, mas hoje para o ambiente corporativo é essencial.

[Zain @ZainHasan6]

Search-R1: Training LLMs to Reason and Leverage Search Engines with Reinforcement Learning

They add a search engine into the DeepSeek-R1 GRPO based RL training recipe and find that it achieves SOTA.

[Diego Lopes @datafromlopes]

Zotero + Obsidian: The paradise for all researchers.

#Research #computerscience #artificialintelligence

[Diego Lopes @datafromlopes]

Quer aprender sobre banco de dados e não sabe por onde começar? Me segue aqui e no insta @datafromlopes que eu te ajudo 👊🏻

#estudo #bancodedados #computacao #cienciadacomputacao #sql

[Diego Lopes @datafromlopes]

Bora iniciar mais uma leitura

[Diego Lopes @datafromlopes]

If you only do what you can do, you will never be more than you are now. — Master Shifu

[Diego Lopes @datafromlopes]

A world in which everyone wants to be an experts in AI but nobody wants study math.

#artificiaIntelligence #computerscience #machinelearning

[Diego Lopes @datafromlopes]

Sometimes, artificial intelligence scares me.

https://t.co/zxlDD1oeF8