Cited by 29Speech Recognition and SynthesisNatural Language Processing TechniquesBiographical and Historical Analysis

Fred Jelinek

Open access
Liberman, Mark·2010·Computational Linguistics

Abstract

Frederick Jelinek died, peacefully and unexpectedly, on 14 September 2010.Over a distinguished career of nearly fifty years, Fred made important contributions in areas ranging from coding theory and speech recognition to parsing and machine translation.But more important than these specific contributions was his role in persuading the fields of speech and language engineering to adopt statistical methods and the "noisy channel model," returning to the path opened up by Claude Shannon in 1948.And more important still was the role that he played in defining, exemplifying, and promoting what has become the standard research paradigm in an even wider range of fields: the competitive evaluation of alternative algorithms based on precise quantitative criteria defined in advance, relative to a shared body of training and testing material.After receiving his Ph.D. from MIT in 1962, Fred taught at Cornell from 1962 to 1972, worked at IBM from 1972 to 1993, and taught at Johns Hopkins from 1993 to 2010.Fred's many technical accomplishments during this long and productive career can be seen as episodes in two epic narratives, which, like the Iliad and the Odyssey, are related but have separate themes and story lines.The theme of the first epic is the return of Information Theory to center stage in speech and language processing; and the theme of the second epic is the development of a new relationship between science and engineering in speech recognition, computational linguistics, and artificial intelligence (AI) more generally.Fred gave us a vivid first-person narrative of the first of these epic adventures in his ACL Lifetime Achievement Award speech (Jelinek 2009).But missing from this recital is a picture of the dire state of the information-theoretic forces when Fred joined the fray by undertaking speech recognition research at IBM in 1972.To understand what the world was like then, we need to go back to the mid 1950s.Claude Shannon (1956, page 3) wrote:Information theory has, in the last few years, become something of a scientific bandwagon.Starting as a technical tool for the communication engineer, it has received an extraordinary amount of publicity in the popular as well as the scientific press. . . .Our fellow scientists in many different fields, attracted by the fanfare and by the new avenues opened to scientific analysis, are using these ideas in their own problems.Applications are being made to biology, psychology, linguistics, fundamental physics, economics, the theory of organization, and many others. . . .Although this wave of popularity is certainly pleasant and exciting for those of us working in the field, it carries at the same time an element of danger. . . .It will be all too easy for our somewhat artificial prosperity to collapse overnight when it is realized that the use of a few exciting words like information, entropy, redundancy, do not solve all our problems.Ironically, the seeds of that overnight collapse were at that very moment being sown by a young linguist with a fresh Ph.D. from Penn, whose lecture notes for an MIT

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  1. Shannon, Claude. 1956. The bandwagon. IRE Transactions on Information Theory, 2(1):3.

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Authors
Liberman, M.
Affiliations
University of Pennsylvania (US)
Corresponding author
Liberman, Mark
Venue
Computational Linguistics
Published
2010-12
Volume
36
Issue
4
Pages
595-599
ISSN
  • 0891-2017 (ISSN-L)
  • 1530-9312
OpenAlex
W2911878849
Cited by
29
References
5
Citations by year
2026: 1 · 2025: 10 · 2024: 3 · 2023: 4 · 2022: 2 · 2021: 2 · 2020: 3 · 2017: 3
FWCI
0.34
Type
journal article
Language
en
Open access
Locations
  • Computational Linguistics (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Topics
  • Physical Sciences › Computer Science › Artificial Intelligence › Speech Recognition and Synthesis
  • Physical Sciences › Computer Science › Artificial Intelligence › Natural Language Processing Techniques
  • Social Sciences › Arts and Humanities › History › Biographical and Historical Analysis
Keywords
information theory, noisy channel model, speech recognition, statistical machine translation, syntactic analysis, coding theory, algorithm evaluation, science and engineering

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