knowledge-graph
3 free lessons tagged knowledge-graph across AI, Business. Each one is a short sequence of focused steps with narration and a five-question quiz at the end — take them in any order, no signup required.
HippoRAG and RAPTOR: Hierarchical and Memory-Style RAG
Deep dive into two advanced RAG architectures — HippoRAG's hippocampal-inspired knowledge graph indexing and RAPTOR's recursive summarization tree — and why both dramatically outperform flat vector retrieval on multi-hop questions.
GraphRAG: Knowledge-Graph Augmented Retrieval
Go beyond dense-vector search: learn how Microsoft GraphRAG extracts entities, builds a knowledge graph, clusters it with the Leiden algorithm, and serves both local and global queries with community summaries — delivering answers that classic RAG cannot.
E-E-A-T and Entity SEO for YMYL Crypto Content
Crypto is YMYL — Google and AI engines hold these pages to a higher trust bar. How to build entity strength, structure Organization and Person schema, defend brand-name SERPs, and turn E-E-A-T into a flywheel that compounds in both classic SEO and GEO citations.

