TF-IDF Explained
Search feels like magic until you build one yourself. Type in a few words, and somehow the right document floats to the top of the list. Under the hood, even the simplest version of this magic relies on an elegant, decades-old idea: TF-IDF. In this post, we’ll build a tiny search engine from scratch, using nothing but Python’s standard library, and use it to find the most relevant document for a query. ...