Author
Thanos Papaoikonomou
Senior ML Engineer
Articles
![RAG evaluation metrics: A journey through metrics](/search-labs/_next/image?url=%2Fsearch-labs%2Fassets%2Fimages%2Fevaluating-rag-metrics%2Fcat.png&w=3840&q=100)
ML Research
•RAG evaluation metrics: A journey through metrics
Explore RAG evaluation metrics like BLEU score, ROUGE score, PPL, BARTScore, and more. Discover how Elastic is evaluating RAG with UniEval.
![Evaluating scalar quantization in Elasticsearch](/search-labs/_next/image?url=%2Fsearch-labs%2Fassets%2Fimages%2F16-crystal-ball.jpeg&w=3840&q=100)
ML Research
•Evaluating scalar quantization in Elasticsearch
Learn how scalar quantization can be used to reduce the memory footprint of vector embeddings in Elasticsearch through an experiment.
![Evaluating search relevance - Part 1](/search-labs/_next/image?url=%2Fsearch-labs%2Fassets%2Fimages%2F12-robo-hand.jpg&w=3840&q=100)
ML Research
•Evaluating search relevance - Part 1
How to evaluate your own search systems in the context of better understanding the BEIR benchmark, with specific tips and techniques to improve your search evaluation processes. Part 1 of the series.