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#221 – Douglas Lenat: Cyc and the Quest to Solve Common Sense Reasoning in AI

Lex Fridman Podcast

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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/
YouTube Full Episodes: https://youtube.com/lexfridman
YouTube Clips: https://youtube.com/lexclips

SUPPORT & CONNECT:
- Check out the sponsors above, it's the best way to support this podcast
- Support on Patreon: https://www.patreon.com/lexfridman
- Twitter: https://twitter.com/lexfridman
- Instagram: https://www.instagram.com/lexfridman
- LinkedIn: https://www.linkedin.com/in/lexfridman
- Facebook: https://www.facebook.com/lexfridman
- Medium: https://medium.com/@lexfridman

OUTLINE:
Here's the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time.
(00:00) - Introduction
(07:39) - What is Cyc?
(15:45) - How to form a knowledge base of the universe
(26:11) - How to train an AI knowledge base
(30:32) - Global consistency versus local consistency
(54:53) - Automated reasoning
(1:00:33) - Direct uses of AI and machine learning
(1:13:11) - The semantic web
(1:23:44) - Tools to help Cyc interpret data
(1:32:54) - The most beautiful idea about Cyc
(1:38:53) - Love and consciousness in AI
(1:45:52) - The greatness of Marvin Minsky
(1:50:46) - Is Cyc just a beautiful dream?
(1:55:31) - What is OpenCyc and how was it born?
(2:01:21) - The open source community and OpenCyc
(2:11:48) - The inference problem
(2:13:31) - Cyc's programming language
(2:21:05) - Ontological engineering
(2:28:30) - Do machines think?
(2:37:15) - Death and consciousness
(2:47:16) - What would you say to AI?
(2:51:52) - Advice to young people
(2:53:48) - Mortality

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: <a href="https://lexfridman.com/squarespace">https://lexfridman.com/squarespace</a> and use code LEX to get 10% off 
– BiOptimizers: <a href="http://www.magbreakthrough.com/lex">http://www.magbreakthrough.com/lex</a> to get 10% off 
– Stamps.com: <a href="https://stamps.com">https://stamps.com</a> and use code LEX to get free postage & scale 
– LMNT: <a href="https://drinkLMNT.com/lex">https://drinkLMNT.com/lex</a> to get free sample pack 
– ExpressVPN: <a href="https://expressvpn.com/lexpod">https://expressvpn.com/lexpod</a> and use code LexPod to get 3 months free
EPISODE LINKS: 
Douglas’s Twitter: <a href="https://twitter.com/cycorpai">https://twitter.com/cycorpai</a> 
Cyc’s Website: <a href="https://cyc.com">https://cyc.com</a>
PODCAST INFO: 
Podcast website: <a href="https://lexfridman.com/podcast">https://lexfridman.com/podcast</a> 
Apple Podcasts: <a href="https://apple.co/2lwqZIr">https://apple.co/2lwqZIr</a> 
Spotify: <a href="https://open.spotify.com/show/2MAi0BvDc6GTFvKFPXnkCL">https://open.spotify.com/show/2MAi0BvDc6GTFvKFPXnkCL</a> 
RSS: <a href="https://lexfridman.com/feed/podcast/">https://lexfridman.com/feed/podcast/</a> 
YouTube Full Episodes: <a href="https://youtube.com/lexfridman">https://youtube.com/lexfridman</a> 
YouTube Clips: <a href="https://youtube.com/lexclips">https://youtube.com/lexclips</a>
SUPPORT & CONNECT: 
– Check out the sponsors above, it’s the best way to support this podcast 
– Support on Patreon: <a href="https://www.patreon.com/lexfridman">https://www.patreon.com/lexfridman</a> 
– Twitter: <a href="https://twitter.com/lexfridman">https://twitter.com/lexfridman</a> 
– Instagram: <a href="https://www.instagram.com/lexfridman">https://www.instagram.com/lexfridman</a> 
– LinkedIn: <a href="https://www.linkedin.com/in/lexfridman">https://www.linkedin.com/in/lexfridman</a> 
– Facebook: <a href="https://www.facebook.com/lexfridman">https://www.facebook.com/lexfridman</a> 
– Medium: <a href="https://medium.com/@lexfridman">https://medium.com/@lexfridman</a>
OUTLINE: 
Here’s the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time. 
(00:00) – Introduction 
(07:39) – What is Cyc? 
(15:45) – How to form a knowledge base of the universe 
(26:11) – How to train an AI knowledge base 
(30:32) – Global consistency versus local consistency 
(54:53) – Automated reasoning 
(1:00:33) – Direct uses of AI and machine learning 
(1:13:11) – The semantic web 
(1:23:44) – Tools to help Cyc interpret data 
(1:32:54) – The most beautiful idea about Cyc 
(1:38:53) – Love and consciousness in AI 
(1:45:52) – The greatness of Marvin Minsky 
(1:50:46) – Is Cyc just a beautiful dream? 
(1:55:31) – What is OpenCyc and how was it born? 
(2:01:21) – The open source community and OpenCyc 
(2:11:48) – The inference problem 
(2:13:31) – Cyc’s programming language 
(2:21:05) – Ontological engineering 
(2:28:30) – Do machines think? 
(2:37:15) – Death and consciousness 
(2:47:16) – What would you say to AI? 
(2:51:52) – Advice to young people 
(2:53:48) – Mortality

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#221 – Douglas Lenat: Cyc and the Quest to Solve Common Sense Reasoning in AI

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