Second AI Winter — expert systems market collapses

事件摘要

After a decade of hype and commercial investment in expert systems, a combination of technical limitations, unmet expectations, and funding cuts triggered the second AI winter. The Lisp machine industry collapsed, government funding was slashed, and AI research entered a prolonged downturn.

影响评估

• Economic Disruption +2 · Medium-term

  Lisp machine industry collapsed; billions in government and corporate investment lost.

  Affected Groups: investors, tech companies, lisp machine industry

• Paradigm Shift +2 · Long-term

  Ended the symbolic AI era and paved the way for the connectionist (neural network) revolution.

  Affected Groups: ai researchers, academia

• Risk Creation +1 · Long-term

  AI funding was slashed; the field suffered a decade-long reputation and investment drought.

  Affected Groups: ai researchers, students, general public

共识度与来源

• 1
  Wikipedia — AI winter

  URL: https://en.wikipedia.org/wiki/AI_winter

  Reference Evidence Citation logged Live source
• 2
  Reuters — AI winter lessons: history's view on hype cycles

  URL: https://www.reuters.com/article/us-ai-winter-analysis-idUSKCN1M40IB

  Reference Evidence Citation logged Live source