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19721970s
Frederick Jelinek
Led IBM's speech group to abandon linguistic rules for statistics — the bet that eventually won.
Organizations
IBM ResearchJohns Hopkins UniversityCornell University
Major Achievements
- •Directed IBM's continuous speech recognition group from 1972, building it around hidden Markov models and n-gram language models.
- •Established the statistical approach to natural language that displaced hand-written grammars.
- •Founded the Center for Language and Speech Processing at Johns Hopkins.
- •Associated with the remark that recognition accuracy rose whenever a linguist left his team.
Key Papers
- Continuous Speech Recognition by Statistical Methods
Frederick Jelinek · Proceedings of the IEEE · 1976