Evaluating Marketplace Search: User Perception vs. Business Metrics

Explore the complex relationship between user perception and business metrics in e-commerce and marketplace search in this 44-minute conference talk from Haystack EU 2024. Delve into the fundamental trade-off between precision and recall, examining how these concepts correlate with user experience metrics and business performance indicators. Investigate the challenges search practitioners face when optimizing search relevance, focusing on the concept of query specificity. Compare modern techniques like vector search and sparse expansions with traditional lexical search methods. Discover potential solutions to improve search quality, including simple UI changes, emphasizing that effective search goes beyond algorithms. Learn from Julien Meynet's extensive experience in Data Science, Machine Learning, and Engineering, particularly his insights from tackling unique search challenges in second-hand marketplaces.