DataFunTalk

Sep 20, 2020 · Artificial Intelligence

Building a Production‑Ready Recommendation System with Python, LLR, and ElasticSearch

This tutorial explains how to construct a recommendation system by loading transaction data, creating sparse user‑item and item‑item matrices, applying Log‑Likelihood Ratio for item similarity, and indexing the results into ElasticSearch for real‑time serving, using Python and open‑source big‑data tools.