https://harshgaur017.github.io/articles/ Notes on retrieval, recommendations and event-driven architecture. en-in https://harshgaur017.github.io/articles/which-number-is-the-price.html https://harshgaur017.github.io/articles/which-number-is-the-price.html Parsing code-mixed Hindi and Hinglish product search: disambiguating price from size, pre-computing numeric bounds, and treating the language model as a compiler rather than a chatbot. Fri, 17 Oct 2026 09:00:00 +0530 https://harshgaur017.github.io/articles/four-signals-one-score.html https://harshgaur017.github.io/articles/four-signals-one-score.html Why a pure embedding recommender returns beautiful, useless results, and how blending vector similarity with co-occurrence, category and attribute signals fixes it. Fri, 17 Oct 2026 09:00:00 +0530 https://harshgaur017.github.io/articles/who-gets-told-what.html https://harshgaur017.github.io/articles/who-gets-told-what.html Replacing hardcoded notification triggers with a rules engine: event registries, the recipient type that resolves to nobody, and a duplicate-message bug caused by one person holding two roles. Fri, 17 Oct 2026 09:00:00 +0530