From Text to Images: Building Multi‑Modal Product Search with Elasticsearch Serverless
The article walks through the evolution of e‑commerce search from simple keyword matching to multi‑modal retrieval, explains a generic architecture that fuses text and image embeddings, details core techniques such as dense, sparse and hybrid models, vector similarity metrics, quantization methods like SQ and BBQ, and demonstrates how Elasticsearch Serverless provides a server‑less, cost‑effective platform to implement the end‑to‑end solution.
