Amazon Health Services (AHS) improved search discovery on Amazon.com by developing a sophisticated healthcare search solution using AWS machine learning and generative AI services. The solution addresses the unique challenges of healthcare search across different product types and service offerings.

• Developed a query understanding pipeline to identify health-related searches using ML models
• Created a comprehensive product knowledge base enhanced with large language models
• Implemented vector search capabilities to match customer queries with relevant healthcare services
• Used a hybrid approach combining human labeling and AI-based classification for search relevance
• Leveraged AWS services like Amazon SageMaker, Amazon Bedrock, and Amazon EMR

The solution enables customers to more easily discover healthcare services like Amazon Pharmacy, One Medical, and Health Benefits Connector by understanding complex medical search intents and providing semantically relevant results.