#75 – Marcus Hutter: Universal Artificial Intelligence, AIXI, and AGI

Lex Fridman Podcast

Lex Fridman

Philosophy, Society & Culture, Science, Technology

4.7 • 13K Ratings

🗓️ 26 February 2020

⏱️ 100 minutes

🔗️ Recording | iTunes | RSS

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Summary

Marcus Hutter is a senior research scientist at DeepMind and professor at Australian National University. Throughout his career of research, including with Jürgen Schmidhuber and Shane Legg, he has proposed a lot of interesting ideas in and around the field of artificial general intelligence, including the development of the AIXI model which is a mathematical approach to AGI that incorporates ideas of Kolmogorov complexity, Solomonoff induction, and reinforcement learning. EPISODE LINKS: Hutter Prize: http://prize.hutter1.net Marcus web: http://www.hutter1.net Books mentioned: – Universal AI: https://amzn.to/2waIAuw – AI: A Modern Approach: https://amzn.to/3camxnY – Reinforcement Learning: https://amzn.to/2PoANj9 – Theory of Knowledge: https://amzn.to/3a6Vp7x This conversation

Transcript

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0:00.0	The following is a conversation with Marcus Hutter, senior research scientist at Google Deep Mind.
0:06.7	Throughout his career of research, including with Yergen Schmidt, Hubert, and Shane Legg,
0:11.7	he has proposed a lot of interesting ideas in and around the field of artificial general intelligence,
0:17.5	including the development of IXI, spelled A-I-X-I model,
0:22.6	which is a mathematical approach to AGI that incorporates ideas of comagurov complexity,
0:28.8	solemn enough induction, and reinforcement learning.
0:33.0	In 2006, Marcus launched the 50,000-year-old Hutter Prize for lostless compression of human knowledge.
0:41.1	The idea behind this prize is that the ability to compress well is closely related to intelligence.
0:47.8	This, to me, is a profound idea.
0:51.2	Specifically, if you can compress the first 100 megabytes or 1 gigabyte of Wikipedia better than your predecessors,
0:58.2	your compressor likely has to also be smarter.
1:02.1	The intention of this prize is to encourage the development of intelligent compressors as a path to AGI.
1:09.5	In conjunction with this podcast release, just a few days ago, Marcus announced a 10X increase
1:15.5	in several aspects of this prize, including the money, to 500,000 euros.
1:22.6	The better your compressor works, relatives of the previous winners,
1:26.0	the higher fraction of that prize money is awarded to you.
1:29.3	You can learn more about it if you google simply Hutter Prize.
1:35.0	I have a big fan of benchmarks for developing AI systems,
1:38.1	and the Hutter Prize may indeed be one that will spark some good ideas for approaches that will make progress
1:44.5	on the path of developing AGI systems.
1:47.8	This is the Artificial Intelligence Podcast.
1:50.4	If you enjoy it, subscribe on YouTube, give it 5 stars and Apple podcasts,
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