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ai deep-dive Reading Stanford CS124

CS124 Week 4 Information Retrieval: The Indexing and Ranking Layer Beneath RAG

Week 4 builds candidates with an inverted index, ranks them with tf-idf and cosine similarity, and then connects retrieved evidence to generation; PA3 exposes RAG's inspectable retrieval half.

#cs124#stanford#information-retrieval#rag#nlp
ai deep-dive Private Corpus Pipeline

Private Corpus Search Boundaries: Decide Where Data May Go First

The first private-corpus decision is not which vector database to buy. Define data classes, trust zones, policy enforcement points, and freshness SLAs so every index, model, and observability system receives only the minimum data it is allowed to process.

#rag#information-retrieval#data-security#access-control#qdrant#meilisearch