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GEO / AI Search
Definition
Numerical vector representation of a piece of text, image, or other content. Two embeddings that are close in vector space represent semantically similar content. Foundation of vector search and RAG.
Related terms
Vector Search
Search that compares query and document embeddings rather than keywords. Returns semantically similar passages even when no exact word overlap exists. Powers most modern AI retrieval stacks.
RAG
RAGRetrieval-Augmented Generation. Pattern where an LLM first retrieves relevant passages from a knowledge base, then generates an answer grounded in those passages. Underpins Perplexity, AI Overviews, and most enterprise AI search products.
Same category
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