• views: 74
• date: 24 March 2026
• posted by: voska89

Full Text Search, BM25, Vector/Semantic Search, Hybrid Search, Reranking and User Signals to enhance our search results

What you'll learn

✓ Understand Full Text Search and its different search algorithms.
✓ Learn what BM25 is and why it is so popular.
✓ Learn Semantic Search and Vector Databases.
✓ Learn how to perform Hybrid Search combining FTS and Semantic Search.
✓ Learn how to rerank the results of hybrid search.

Requirements

● Advanced developer knowledge of WordPress and MySQL
● Access to an OpenAI key for vector search.

Description

This an advanced course for experienced WordPress Developers.
For Vector Search, and OpenAI API Key is needed. Currently, a minimum initial payment of $5USD is required. The course will use under $1USD with fair usage.
Full Text Search does not need an OpenAI API Key. You can follow the lectures without an API key.
Advanced WordPress Search in MySQL: FTS, BM25, Semantic Search, Hybrid Search, Reranking and Signals.
Modern websites live or die by the quality of their search experience. If your WordPress site relies on default search, you're leaving relevance, speed, and user satisfaction on the table. This course gives you the technical depth and practical skills to build powerful, intelligent search systems.
What You'll Learn
• How WordPress search actually works under the hood, and why it struggles at scale.
• Implementing MySQL Full‑Text Search (FTS) with boolean mode, natural language mode, and relevance tuning.
• Using BM25 for dramatically improved ranking and scoring.
• Building semantic search with embeddings and vector databases.
• Applying reranking strategies to combine lexical and semantic signals - Hybrid Search.
• Using Signals to assist rankings.
PLUGIN01 - A summary of TF, TF-IDF and BM25
PLUGIN02 - BM25 with adjustable `k1 ` and `b` parameters
PLUGIN03 - BM25 search results with calculations
PLUGIN04 - Tool yo compare TF, TF-IDF and BM25
PLUGIN05 - FTS on our custom wp_products table
PLUGIN20 - Building our FTS wp_posts_rag summary table with additional embeddings
PLUGIN21 - Searching our wp_posts_rag table
PLUGIN30 - Creating a set of endpoints for FTS, Vector and Hybrid search
PLUGIN31 - Reranking plugin for our set of FTS and Vector searches
PLUGIN32 - Creating a form for our Boolean FTS search
PLUGIN33 - Using our Boolean search to give a ranked set of results on our Posts
PLUGIN40 - A look at what Signals are and how they can help

Who this course is for

■ Advance WordPress/MySQL users

Homepage

https://www.udemy.com/course/advanced-wordpress-search-full-text-and-vector-search

   
   
   

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