TCS

What is similarity search in RAG, and how does it differ from keyword search?

Why Hugging Face Hub functions as the de facto model registry for open weights

Define cross-encoder reranking and when it's used

Which property distinguishes dense embeddings from one-hot vectors?

Compare LLM04 data and model poisoning with LLM01 prompt injection

When Ray Serve is the right wrapper around an LLM serving runtime

Distinguish direct from indirect prompt injection with concrete sources

Why OpenAI Evals matters as a pattern even if you do not use it directly

Compare Switch Transformer top-1 routing with Mixtral top-2

What Maximal Marginal Relevance does for retrieved results