Contributing Writer · Retrieval & Search
Tommy Tao
Contributing Writer, Explore Agentic
Ziyi writes the retrieval engineering side of the RAG pillar: embedding model choice, hybrid search, re-ranker design, and the evaluation harnesses that tell you whether a change is real. He contributes to the enterprise RAG pillar and glossary.
Vector searchEmbedding modelsRetrieval evaluation
By this contributor
Pieces written or reviewed by Tommy
- Pillar · Reviewed Retrieval is still the hardest part of the stack
- Glossary · Written Agentic RAG
- Comparison · Reviewed Glean Knowledge Graph vs Microsoft Graph: the architectural fork that decides enterprise search at scale
- Insight · Reviewed Glean year-zero cost: what a 500-seat deployment actually burns before the first renewal
- Insight · Written Your Documents Are Sitting on a Gold Mine — Here's How AI Unlocks It
- Insight · Written Retail Inventory Search Is Broken — Here's How AI Cuts the Cost of Every Miss
- Insight · Reviewed AI Agent Evaluation: How to Test Agents Before Production
- Insight · Written RAG Evaluation: Measuring Retrieval Quality Before You Ship
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Other contributors
- Ryo HangEditor-in-Chief
- Alexander GromanContributing Writer
- Kelvin YuContributing Writer
- Soraya ZhengContributing Writer
- Cynthia ZhangContributing Writer
- Chandler BensonContributing Writer
- Elias SaljukiContributing Editor
- Ginny CasuccioContributing Editor
- Gloria Qian ZhangContributing Editor
- Laura Bradley McCoyContributing Writer
- Merve TengizContributing Editor
- Michael CloughEditorial Advisor