Retro Relevance: Lessons Learned Balancing Keyword and Semantic Search

Explore the challenges and limitations of semantic search in this conference talk from Haystack US 2024. Delve into scenarios where semantic search falls short, particularly with niche queries and domain-specific jargon. Learn how to bridge the gap between semantic search capabilities and user expectations by leveraging traditional search relevance building blocks. Discover strategies for implementing hybrid queries that combine BM25 keyword search with semantic search, utilizing tools such as query rules for contextual document pinning and synonyms for capturing domain-specific language. Gain practical insights on enhancing search relevance through a comprehensive approach that complements semantic search, ensuring improved performance and user satisfaction. Presented by Kathleen DeRusso, Principal Software Engineer at Elastic, this talk offers valuable lessons for developers and search professionals looking to optimize their search systems.