Douglas Lenat: Cyc and the Quest to Solve Common Sense Reasoning in AI | Lex Fridman Podcast #221

Douglas Lenat is the founder of Cyc, a 37 year project aiming to solve common-sense knowledge and reasoning in AI. Please support this podcast by checking out our sponsors:
– Squarespace: https://lexfridman.com/squarespace and use code LEX to get 10% off
– BiOptimizers: http://www.magbreakthrough.com/lex to get 10% off
– Stamps.com: https://stamps.com and use code LEX to get free postage & scale
– LMNT: https://drinkLMNT.com/lex to get free sample pack
– ExpressVPN: https://expressvpn.com/lexpod and use code LexPod to get 3 months free

EPISODE LINKS:
Douglas’s Twitter: https://twitter.com/cycorpai
Cyc’s Website: https://cyc.com

PODCAST INFO:
Podcast website: https://lexfridman.com/podcast
Apple Podcasts: https://apple.co/2lwqZIr
Spotify: https://spoti.fi/2nEwCF8
RSS: https://lexfridman.com/feed/podcast/
Full episodes playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOdP_8GztsuKi9nrraNbKKp4
Clips playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOeciFP3CBCIEElOJeitOr41

OUTLINE:
0:00 – Introduction
1:11 – What is Cyc?
9:17 – How to form a knowledge base of the universe
19:43 – How to train an AI knowledge base
24:04 – Global consistency versus local consistency
48:25 – Automated reasoning
54:05 – Direct uses of AI and machine learning
1:06:43 – The semantic web
1:17:16 – Tools to help Cyc interpret data
1:26:26 – The most beautiful idea about Cyc
1:32:25 – Love and consciousness in AI
1:39:24 – The greatness of Marvin Minsky
1:44:18 – Is Cyc just a beautiful dream?
1:49:03 – What is OpenCyc and how was it born?
1:54:53 – The open source community and OpenCyc
2:05:20 – The inference problem
2:07:03 – Cyc’s programming language
2:14:37 – Ontological engineering
2:22:02 – Do machines think?
2:30:47 – Death and consciousness
2:40:48 – What would you say to AI?
2:45:24 – Advice to young people
2:47:20 – Mortality

SOCIAL:
– Twitter: https://twitter.com/lexfridman
– LinkedIn: https://www.linkedin.com/in/lexfridman
– Facebook: https://www.facebook.com/lexfridman
– Instagram: https://www.instagram.com/lexfridman
– Medium: https://medium.com/@lexfridman
– Reddit: https://reddit.com/r/lexfridman
– Support on Patreon: https://www.patreon.com/lexfridman