George Chen
· Assistant ProfessorCarnegie Mellon University · Heinz College
Active 2000–2007
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About
George H. Chen is an Associate Professor at the Heinz College of Information Systems and Public Policy and an Affiliated Faculty member in the Machine Learning Department at Carnegie Mellon University. His research focuses on trustworthy machine learning methods for reasoning about time, particularly in health applications. He specializes in predicting time durations before critical events, known as 'time-to-event prediction' or 'survival analysis,' and analyzing time series data such as electronic health records and EEG data. His work aims to develop new methods for these time-related problems, emphasizing statistical guarantees and nonparametric approaches that operate under minimal assumptions on the data. Professor Chen has authored a book/monograph published in December 2024 in Foundations and Trends in Machine Learning, providing a self-contained introduction to deep learning methods for predicting time-to-event outcomes, targeted toward a machine learning audience. He has also contributed to the field by teaching tutorials on survival analysis at CHIL 2020 and SIGMETRICS 2021, and co-organized a survival analysis symposium as part of the 2023 AAAI Fall Symposium Series. Beyond his academic pursuits, he co-founded and advises CoolCrop, an AgriTech startup in India that provides cold storage solutions and market forecasts to farmers, serving over 9000 farmers across 7 states. His educational background includes a PhD in Electrical Engineering and Computer Science from…
Research topics
- Physics
- Particle physics
- Nuclear physics
- Algorithm
- Combinatorics
Selected publications
Physical Review Letters · 2005-12-16 · 142 citations
articleOpen accessWe extract a relatively precise value for the decay constant of the ${D}^{+}$ meson by measuring $\mathcal{B}({D}^{+}\ensuremath{\rightarrow}{\ensuremath{\mu}}^{+}\ensuremath{\nu})=(4.40\ifmmode\pm\else\textpm\fi{}{0.66}_{\ensuremath{-}0.12}^{+0.09})\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}4}$ using $281\text{ }\text{ }{\mathrm{pb}}^{\ensuremath{-}1}$ of data taken on the $\ensuremath{\psi}(3770)$ resonance with the CLEO-$c$ detector. We find ${f}_{{D}^{+}}=(222.6\ifmmode\pm\else\te…
Physical Review Letters · 2005-09-14 · 94 citations
articleOpen accessUsing $55.8\text{ }\text{ }{\mathrm{pb}}^{\ensuremath{-}1}$ of ${e}^{+}{e}^{\ensuremath{-}}$ collisions recorded at the $\ensuremath{\psi}(3770)$ resonance with the CLEO-c detector at CESR, we determine absolute hadronic branching fractions of charged and neutral $D$ mesons using a double tag technique. Among measurements for three ${D}^{0}$ and six ${D}^{+}$ modes, we obtain reference branching fractions $\mathcal{B}({D}^{0}\ensuremath{\rightarrow}{K}^{\ensuremath{-}}{\ensuremath{\pi}}^{+})=(3.…
Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D, Particles, fields, gravitation, and cosmology · 2005-07-05 · 71 citations
articleOpen accessThe resonant substructure in ${D}^{0}\ensuremath{\rightarrow}{K}_{S}^{0}{\ensuremath{\pi}}^{+}{\ensuremath{\pi}}^{\ensuremath{-}}$ decays is described by a combination of ten quasi two-body intermediate states which include both $CP$-even and $CP$-odd eigenstates and one doubly Cabibbo suppressed channel. We present a formalism that connects the variation in ${D}^{0}$ decay time over the Dalitz plot with the mixing parameters, $x$ and $y$, that describe off-shell and on-shell ${D}^{0}\ensuremath…
Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D, Particles, fields, gravitation, and cosmology · 2005-11-28 · 69 citations
articleOpen accessThe spin-singlet $P$-wave state of charmonium, ${h}_{c}{(}^{1}{P}_{1})$, has been observed in the decay $\ensuremath{\psi}(2S)\ensuremath{\rightarrow}{\ensuremath{\pi}}^{0}{h}_{c}$ followed by ${h}_{c}\ensuremath{\rightarrow}\ensuremath{\gamma}{\ensuremath{\eta}}_{c}$. Inclusive and exclusive analyses of the $M({h}_{c})$ spectrum have been performed. Two complementary inclusive analyses select either a range of energies for the photon emitted in ${h}_{c}\ensuremath{\rightarrow}\ensuremath{\gamma…
Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D, Particles, fields, gravitation, and cosmology · 2006-01-18 · 66 citations
articleOpen accessWe describe a search for $\ensuremath{\psi}(3770)$ decay to two-body non-$D\overline{D}$ final states in ${e}^{+}{e}^{\ensuremath{-}}$ data produced by the CESR collider and analyzed with the CLEO-c detector. Vector-pseudoscalar production ${\ensuremath{\rho}}^{0}{\ensuremath{\pi}}^{0}$, ${\ensuremath{\rho}}^{+}{\ensuremath{\pi}}^{\ensuremath{-}}$, $\ensuremath{\omega}{\ensuremath{\pi}}^{0}$, $\ensuremath{\phi}{\ensuremath{\pi}}^{0}$, $\ensuremath{\rho}\ensuremath{\eta}$, $\ensuremath{\omega}\en…
Frequent coauthors
- 95 shared
V. Savinov
- 92 shared
H. Schwarthoff
- 92 shared
R. Poling
University of Minnesota
- 92 shared
J. C. Wang
Wuhan University
- 92 shared
C. Sedlack
University of Illinois Urbana-Champaign
- 91 shared
R. Ehrlich
- 91 shared
B. I. Eisenstein
University of Illinois Urbana-Champaign
- 90 shared
D. Riley
University of New Mexico
Awards & honors
- MIT George Sprowls award for best thesis in computer science
- MIT's top teaching award for graduate students, the Goodwin…
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