TF-IDF: Why Rare Words Matter in Search
The intuition behind term frequency, document rarity, and their role in modern retrieval.
TF-IDFRetrievalRAG
NOTES & IDEAS
All Posts
Notes on backend engineering, applied AI, and the ideas behind the tools I use.
The Agent Loop: How AI Agents Get Things Done
How reasoning, tools, and feedback turn a single model response into a sequence of actions.
AI AgentsLLMsTool Use
Inverted Indexes: How Search Finds Documents Fast
How flipping the relationship between documents and words makes keyword searches efficient.
Inverted IndexSearchRAG