Explore the journey of semantic search, tracing its evolution from simple keyword matching (TF-IDF) to modern, transformer-based language understanding. A hands-on guide detailing the implementation of four generations of semantic search systems using Python.
This article provides a step-by-step implementation of four generations of semantic search systems, demonstrating how the field has progressed from basic keyword matching to sophisticated language understanding powered by transformers. It serves as a practical guide for understanding the foundational shift in NLP techniques.