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Sarah Lea

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Sarah Lea

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Jul 12

Building a Multi-Agent Support Ticket Triage With LangGraph

Route tickets and draft replies locally with Ollama or via API.

A Multi-Agent System routes tickets and draft replies locally with Ollama or via API (with LangGraph).

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Code Like A Girl

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Sarah Lea

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Mar 26

Ditch Word for Long Documents: The 7-Step Workflow I Use for My Thesis

How a structured 7-step process and OneNote as your central thinking hub help you focus on content, not formatting.

Ditch Word for Long Documents: The 7-Step Workflow I Use for My Thesis

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Sarah Lea

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Oct 20, 2025

How to study Math-Heavy Topics like Reinforcement Learning

Understanding how our brains learns can make math-heavy subjects easier.

How to study Math-Heavy Topics like Reinforcement Learning

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Aug 5, 2025

The Smarter Way to Write Your Thesis: OneNote Meets LaTeX

Part 1 of a series for curious minds: From papers to research, discover how the right tools simplify (and maybe even supercharge) your…

With OneLatex you have a tool to write your thesis in OneNote.

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Data Science Collective

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Sarah Lea

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Apr 12, 2025

RAG in Action: Build your Own Local PDF Chatbot as a Beginner

Understanding chunking, embeddings and vector search better by building a PDF chatbot with LangChain, Ollama and Mistral.

RAG in Action: Build your Own Local PDF Chatbot as a Beginner

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Sep 18

I Tested Three Claude Skills for Academic Writing and Built My Own on Top

I Tested Three Claude Skills for Academic Writing and Built My Own on Top

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Sarah Lea

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Feb 9

From Data Lake to Data Lakehouse: Why AI Changes The Rules For Data platforms

A practical churn-model demo showing how versioned data makes ML runs explainable and reproducible.

From Data Lake to Data Lakehouse: Why AI Changes The Rules For Data platforms

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Sarah Lea

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Dec 28, 2025

Understanding Retrieval in RAG Systems: Why Chunk Size Matters

Understanding Retrieval in RAG Systems: Why Chunk Size Matters

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Sarah Lea

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Sep 22, 2025

CSV Plot Agent with LangChain & Streamlit: Your Introduction to Data Agents

How you can learn the basics of tool-based agents with LangChain, GPT-4o-mini and Streamlit.

CSV Plot Agent with LangChain & Streamlit: Your Introduction to Data Agents

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Sarah Lea

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Sep 11, 2025

From Manual EDA to AI-Powered Agents: A Hands-On Experiment with LangChain

Can an agent take over repetitive EDA tasks? A quick LangChain experiment.

This article shows how a LangChain agent can automate some tasks from exploratory data analysis.

Sarah Lea

Sarah Lea

Simplifying tech for curious minds - Follow for insights 🚀 | Writing on Data, AI, ML & Python | MSc Data Science | Ex-Salesforce-Consultant, now at Big Tech

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