machina discendi

BM25 is an unsung hero powering heaps of stuff you use every day – think search bars, recommendation systems, or even those fancy AI chatbots that somehow dig up the right info from a mountain of text (we're looking at you, Retrieval-Augmented Generation).

Let's be real, nobody wakes up in the morning thinking, "You know what I need more of in my life? Python lambda functions." But here we are. Buckle up, because this is the lambda tutorial you didn't ask for—but secretly need.