Rudolf Batt
Search Engineer at searchHub. Author of practical guidance on building Elasticsearch-based retail search.
Key Contributions
- Multi-analyzer strategy for retail: Use base field (minimal analyzer) + sub-fields (standard, shingles, ngram, numeric patterns). Disable TF-IDF (
similarity: boolean) for structured product data. - Query relaxation pipeline: 3-query cascade (exact → lenient → ngram) handles the full spectrum of search patterns without a single “silver-bullet” query.