Roni Rosenfeld

Roni Rosenfeld is an Israeli-American computer scientist and computational epidemiologist, currently serving as the head of the Machine Learning Department at Carnegie Mellon University.[1] He is an international expert in machine learning, infectious disease forecasting, statistical language modeling and artificial intelligence.[2]

Roni Rosenfeld
Born
רוני רוזנפלד

1959 (age 63–64)
NationalityIsraeli-American
EducationTel Aviv University
University of Chicago
Carnegie Mellon University
Scientific career
FieldsComputer Science
Statistical Epidemiology
Machine Learning
Institutions
Doctoral advisorsRaj Reddy
Xuedong Huang
Websitewww.cs.cmu.edu/~roni/

Education

Rosenfeld received his B.Sc. in mathematics and physics from Tel Aviv University in 1985. He received his Ph.D. in computer science from Carnegie Mellon University in 1994. While a graduate student, he developed and open-sourced a statistical language-modeling toolkit to allow anyone to create statistical language models from their own corpora and experiment with and extend the toolkit's capabilities.[3] The toolkit has been used by more than 100 NLP laboratories in more than 20 countries.[4]

Rosenfeld's Ph.D. thesis, A Maximum Entropy Approach to Adaptive Statistical Language Modeling,[5] was advised by Raj Reddy and Xuedong Huang and won the 2001 Computer, Speech and Language award for "Most Influential Paper in the Last 5 Years."[6]

Career

Shortly after receiving his Ph.D., Rosenfeld joined the faculty of the Carnegie Mellon School of Computer Science as an assistant professor. He was promoted to the rank of associate professor in 1999 and received tenure in 2001.[7] In 2005 he was promoted to professor of language technologies, machine learning computer science and computational biology in the School of Computer Science at Carnegie Mellon University. Rosenfeld also holds adjunct appointments at the University of Pittsburgh School of Medicine, department of computational and systems biology.[8][9]

From 2002 to 2003, Rosenfeld was a visiting professor at the University of Hong Kong.[7]

Rosenfeld is the director of Carnegie Mellon's Machine Learning for Social Good (ML4SG) program.[10] He has held educational leadership positions in a variety of programs, including the M.S. in computational finance (1997–1999), graduate computational and statistical learning (2001–2003), M.S. in machine learning (2017) and undergraduate minor in machine learning.[7]

Rosenfeld was appointed Head of Carnegie Mellon's Machine Learning Department in 2018.[1]

Research

Rosenfeld's research interests include epidemiological forecasting, information and communication technologies for development (ICT4D), and machine learning for social good.[11]

Epidemiological forecasting

Rosenfeld is a world expert in epidemiological forecasting.[12] He founded and directs the Delphi research group, which has won most of the epidemiological forecasting challenges organized by the U.S. CDC and other U.S. government agencies.[13] In December 2016, the CDC named his group the "Most Accurate Forecaster" for 2015–2016,[14] and in October 2017, the Delphi group's two systems took the top two spots in the 2016-2017 flu forecasting challenge.[15] The CDC recognized Rosenfeld's Delphi group at Carnegie Mellon University as having contributed the most accurate national-, regional-, and state-level influenza-like illness forecasts and national-level hospitalization forecasts to the site.[16][17] In 2019, the CDC recognized forecasts provided by the Delphi group at Carnegie Mellon as having been the most accurate for five seasons in a row,[18] and named the Delphi group an Influenza Forecasting Center of Excellence, a five-year designation that includes $3 million in research funding.[19]

Rosenfeld describes his forecasting research goal as "to make epidemiological forecasting as universally accepted and useful as weather forecasting is today."[20] His recent work in the area has focused on selecting high value epidemiological forecasting targets (e.g. Influenza and Dengue); creating baseline forecasting methods for them; establishing metrics for measuring and tracking forecasting accuracy; estimating the limits of forecastability for each target; and identifying new sources of data that could be helpful to the forecasting goal.

Honors and awards
  • 2017 Joel and Ruth Spira Teaching Award[21]
  • 2017 CDC Influenza Forecasting Challenge "Most Accurate Forecaster"[22][23]
  • 1992 Allen Newell Medal for Research Excellence[24]

References
  1. "Carnegie Mellon Names Rosenfeld Head of Machine Learning Department - Machine Learning". Machine Learning | Carnegie Mellon University. Retrieved 2019-11-10.
  2. "Roni Rosenfeld - Google Scholar Citations". scholar.google.com. Retrieved 2019-11-09.
  3. "Statistical Language Modeling Toolkit".
  4. "The CMU SLM Toolkit".
  5. Rosenfeld, Ronald (July 1996). "A maximum entropy approach to adaptive statistical language modelling". Computer Speech & Language. 10 (3): 187–228. doi:10.1006/csla.1996.0011.
  6. "Roni Rosenfeld: Publication List". www.cs.cmu.edu. Retrieved 2019-11-10.
  7. University, Carnegie Mellon. "Biography of Roni Rosenfeld - Machine Learning - CMU - Carnegie Mellon University". Machine Learning | Carnegie Mellon University.
  8. "Roni Rosenfeld's Home Page".
  9. "Joint/Adjunct Faculty | Computational & Systems Biology". Retrieved 2019-11-10.
  10. "Machine Learning for Social Good | Carnegie Mellon Office of Admission". admission.enrollment.cmu.edu. Retrieved 2019-11-10.
  11. "Roni Rosenfeld". 15 October 2015.
  12. EST, Kate Sheridan On 12/21/17 at 3:41 PM (2017-12-21). "Cloudy with a chance of influenza: can we predict the flu like we predict the weather?". Newsweek. Retrieved 2019-11-10.
  13. "DELPHI - Epi Forecasting". delphi.midas.cs.cmu.edu. Retrieved 2019-11-10.
  14. "New Flu Activity Forecasts Available for 2016-17 Season; CDC Names Most Accurate Forecaster for 2015-16 Error processing SSI file". www.cdc.gov. 2017-04-07. Retrieved 2019-11-10.
  15. "FluSight: Flu Forecasting | CDC". www.cdc.gov. 2019-10-15. Retrieved 2019-11-10.
  16. "CDC Says Carnegie Mellon's Flu Forecasts Once Again Most Accurate - News - Carnegie Mellon University".
  17. Schmidt, Charles (18 September 2019). "Real-time flu tracking". Nature. 573 (7774): S58–S59. Bibcode:2019Natur.573S..58S. doi:10.1038/d41586-019-02755-6. PMID 31534256.
  18. "FluSight: Flu Forecasting | CDC". www.cdc.gov. 2019-12-11. Retrieved 2019-12-14.
  19. "CDC Funds Carnegie Mellon's Flu Forecasting Center | CMU". www.cmu.edu. 2019-10-08. Retrieved 2019-11-10.
  20. "CMU Statistics". www.stat.cmu.edu. Retrieved 2019-11-10.
  21. "Past Recipients - SCS Business Office - Carnegie Mellon University".
  22. "New Flu Activity Forecasts Available for 2016-17 Season; CDC Names Most Accurate Forecaster for 2015-16 | CDC". 13 November 2019.
  23. "FluSight: Flu Forecasting". 27 February 2020.
  24. "The Allen Newell Award for Research Excellence - Previous Winners". 4 October 2013.
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