Machine Learning Street Talk (MLST)

#57 - Prof. Melanie Mitchell - Why AI is harder than we think

18 snips
Jul 25, 2021
In this engaging discussion, Professor Melanie Mitchell, a leading expert in complexity and AI, teams up with Letitia Parcalabescu, an AI researcher and YouTuber. They tackle the contrasting cycles of optimism and disappointment in AI development. Topics include the challenges of achieving common-sense reasoning and effective analogy-making in machine learning. They delve into the philosophical underpinnings of intelligence, the nuances of creativity in AI, and the limitations of current neural networks, all while advocating for a deeper understanding of both human and artificial cognition.
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ANECDOTE

Early AI Hype

  • In 1958, the New York Times reported that the US Navy's Perceptron would soon walk, talk, see, and write.
  • Similar overconfident AI predictions were made by Herbert Simon, Claude Shannon, and Marvin Minsky.
INSIGHT

Brittleness of Expert Systems

  • Expert systems, popular in the 1980s, proved brittle, failing to generalize to new situations.
  • This was because they lacked the common sense and subconscious knowledge of human experts.
INSIGHT

Rise of Machine Learning

  • Machine learning, with its statistical approach, rose in the 1990s and 2000s, focusing on specific tasks.
  • Practitioners differentiated it from the then-discredited field of artificial intelligence.
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