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Showing posts with the label Data Lineage for AI

The "Déjà Vu" Effect: Cutting GenAI Costs with Semantic Caching

 There’s a common pattern in enterprise AI: users ask the same questions again and again. Think about your internal knowledge base. Employees constantly ask things like: “How do I reset my VPN?” “What are the Q3 sales figures?” “What’s the company policy on expense reports?” A standard RAG system has no memory of these past interactions. Every time a question comes in, it repeats the same expensive steps: Embed the query Search the vector database Retrieve the top documents Send everything to the LLM (GPT-4, Llama, etc.) Generate an answer Even if the question—and the answer—was identical five minutes ago. This is incredibly wasteful. You’re paying for retrieval and inference on every request, even when nothing has changed. It’s like running a factory production line just to print the same invoice twice. The result is predictable: rising costs and unnecessary latency. The fix is semantic caching —a technique that recognizes repeat intent and serves answers instantly, without re-run...

The "Audit Trail": Proving Who, What, and When for Every AI Decision

Imagine a customer applies for a mortgage. Your AI agent reviews their documents, checks the risk policy, and denies the loan. The customer sues, claiming bias. In court, the judge asks a simple question: “Why did the AI deny this loan?” If your answer is “we don’t know, it’s a black box,” the case is already lost. In traditional software, explanations are straightforward. You can point to a rule: if credit_score < 700. In Generative AI, decisions are different. They emerge from a probabilistic mix of the user’s prompt, retrieved documents (RAG), and model behavior. Most organizations can tell you what the AI decided. Very few can prove why . To make AI defensible in an enterprise setting, you need forensics. You must be able to freeze time and reconstruct the exact decision scene. Here’s how to build a complete AI audit trail on Databricks by combining MLflow Tracing (process) with Unity Catalog lineage (data). The “Black Box” Defense Is Dead Logging only the final answer — “DENI...