All lessons
community-detection
2 free lessons tagged community-detection across AI. 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.
AI
advancedEasy, Hard, and Impossible: The Three Phases
The central result of the field: problems split into three regimes as data increases, and the middle one contains enough information to solve them while no efficient algorithm can. Community detection and planted clique make it concrete.
8 steps·~12 min
AI
advancedGraphRAG: 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.
12 steps·~18 min

