Monthly Archives: September 2023

4 posts

What is BM25f

BM25f is an extension of the BM25 scoring function, which is a part of the family of ranking functions used in information retrieval. BM25 itself is a modern alternative to the classic TF-IDF scheme, designed to rank documents based on their relevance to a given query. Here’s a breakdown of […]

What is TF-IDF

TF-IDF stands for Term Frequency-Inverse Document Frequency. It’s a numerical statistic used to indicate the importance of a word in a document relative to a collection of documents, often called a corpus. TF-IDF is commonly used in the field of information retrieval and text mining. Here’s a breakdown: Why is […]