Heqing's Knowledge Base
Books processed through an AI-assisted extraction pipeline. Human-reviewed. Open source.
Knowledge Graph
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227 due for review →
397 nodes · 1257 links
conceptsynthesizedideaatomic insightessaypublishedsourcebook · podcastglowingdue for review
355reviewed notes
1257connections
25sources
20essays
How Knowledge Moves
10 Notes/
immutableRaw sources. Kindle highlights, articles, podcasts, videos. Never modified after capture. This is the ground truth.
kindle notesarticlespodcastsvideospersonal
CLAUDE CODE EXTRACTS
20 Ideas/
ai-generatedAtomic ideas extracted per source. Each idea is one insight, one file. Links back to the original highlight. This is where AI does the heavy lifting.
229 reviewed ideas25 sources
SYNTHESIZE ACROSS SOURCES
30 Concept/
wiki layerCross-source concepts. A concept like “negotiation” pulls insights from books, articles, conversations. Wikilinked. This is the knowledge graph.
126 conceptscross-referenced
HUMAN REVIEWS ON KINDLE
second-brain.heqinghuang.com
AI extracts. Human reviews. Only approved content goes public. The graph grows as you read more books and review more ideas.
Public
Graph + Feed
Private
Review Queue
00 Meta/Orchestrates everything. Index of all pages, operation log, schema definition, review queue. The system's memory of itself.
The graph grows as you review. Fork this project on GitHub.
Recent Activity
2026-07-06
5 Kindle books for review (57 ideas)extractedreviewed
2026-06-30
The "Divine Leaf" — coca with Andrew Weil & Wade Davis (podcast)ingested
2026-06-30
The next big breakthrough will be AIs learning on the job (article) — FIRST ARTICLEingested
2026-06-21
Second-pass coverage for Effortless and The Truth (+16 ideas)extracted
2026-06-21
Added extract-book skillextracted
2026-06-21
5 Kindle books for review (36 ideas)extractedreviewed
2026-06-19
Communication topic for Nonviolent Communication ideas
2026-06-17
Auto-fill queue — 5 Kindle books (41 ideas)extracted