Slides: GraphRAG: The Marriage of Knowledge Graphs and RAG: Emil Eifrem
Source Video
GraphRAG: The Marriage of Knowledge Graphs and RAG: Emil Eifrem
Relationship To World's Fair 2026
These slides are extracted from a public AI Engineer YouTube video connected to World's Fair 2026. Speaker-matched clips are supporting context unless later confirmed as exact session recordings; official livestream recordings are day-level/event-level source material.
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Extracted Slides

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The Evolution of... Web Search
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Google Launches World’s Largest Search Engine & Subscnde
: Google Now Enables internet Users to Search More Than 1 Billion URLs, Providing Quick and Easy Access to 560 Million Full-Text
Indexed Web Pages and 500 Million Partlaity indexed URLs
MOUNTAIN VIEW, Calif. - June 26, 2000 - Google Inc., one of the fastest growing search engines on the web, today announced it has
released the largest search engine on the Intemet. Google's new index, comprising more than 1 dilbon URLs. offers users the wed's most
comprehensive collection of websites, which can be easily searched with Google's fast and highly relevant search lechnology. Available now
at www.goog'e com, Google's portal and destination site customers can also bcense this new index for integration with their own websites.
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What IS GraphRAG?
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GraphRAG Retrieval Patterns
1. Doa vector search to find an initial set of nodes

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GraphRAG Retrieval Patterns
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|. Do avector search to find an initial set of nodes
2. Traverse the graph around those nodes to add context
3. (Optional: Rank the results using the graph and pass the
top-k documents to the LLM)
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GraphRAG: Unlocking LLM
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OCR text:
Knowledge Graph Construction
Typically PDFs or other phe ee Structured data with
text documents Structured data with short text values
long-form text
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OCR text:
Two Types of Knowledge Graphs
A graph representation of for
example the words, paragraphs.
chunks, documents and the
relationships between them
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Slide-Derived Subjects To Review
Subject extraction uses video title, related session titles/descriptions, transcript context, and OCR text when available. OCR is best-effort and should be reviewed against the embedded slide images.