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SODEN: A Scalable Continuous-Time Survival Model through Ordinary Differential Equation Networks [article]

Weijing Tang, Jiaqi Ma, Qiaozhu Mei, Ji Zhu
2021 arXiv   pre-print
In this paper, we propose a flexible model for survival analysis using neural networks along with scalable optimization algorithms.  ...  Following this connection, we model the distribution of event time through an ordinary differential equation and utilize efficient ODE solvers and adjoint sensitivity analysis to numerically evaluate the  ...  Survival Ordinary Differential Equation Networks SODEN: A Scalable Continuous-Time Survival  ... 
arXiv:2008.08637v2 fatcat:fxuhvcgpf5gcdl4hjx7mmypceq

Survival Analysis via Ordinary Differential Equations [article]

Weijing Tang, Kevin He, Gongjun Xu, Ji Zhu
2021 arXiv   pre-print
This paper introduces an Ordinary Differential Equation (ODE) notion for survival analysis.  ...  Specifically, the ODE modeling framework unifies many existing survival models, such as the proportional hazards model, the linear transformation model, the accelerated failure time model, and the time-varying  ...  Zhu (2020).Soden: A scalable continuous-time survival model through ordinary differential equation networks.arXivpreprint arXiv:2008.08637.Tsiatis, A. A. (1990).  ... 
arXiv:2009.03449v2 fatcat:q2tylxx2pbg2bjm3vmr7dhvnzq

Les Houches 2013: Physics at TeV Colliders: Standard Model Working Group Report [article]

J. Butterworth, G. Dissertori, S. Dittmaier, D. de Florian, N. Glover, K. Hamilton, J. Huston, M. Kado, A. Korytov, F. Krauss, G. Soyez , J. R. Andersen, S. Badger, L. Barzè (+69 others)
2014 arXiv   pre-print
Session 1 dealt primarily with (1) the techniques for calculating standard model multi-leg NLO and NNLO QCD and NLO EW cross sections and (2) the comparison of those cross sections with LHC data from Run  ...  Acknowledgements This work was supported in part by the Marie Curie Initial Training Network MCnetITN, the German Federal Ministry of Education and Research (BMBF), the Helmholtz Alliance "Physics at the  ...  Part of this work were supported by my PPSC20 grant "Precision modelling of hadron structure at highest energies". Thanks to my ATLAS and LPCC WG colleagues for the co-operation.  ... 
arXiv:1405.1067v1 fatcat:zgoqej3qlna5ra5rpbu5f452hy

Sensitivity analysis and optimization of a mesoscale atmospheric model

Χρήστος Μ. Γιάνναρος
2018
For the proper representation of these processes, it is necessary to couple the WRF model with the Single Layer Urban Canopy Model (SLUCM), using a modified equation to calculate the urban surface temperature  ...  Applying the optimal parameters for Athens has led to a significant improvement in the model performance, with reductions in temperature biases from 0.30 °C to approximately 1.60 °C.  ...  Skamarock, 2002) integrates a set of ordinary differential equations using a predictor-corrector approach.  ... 
doi:10.26262/heal.auth.ir.296971 fatcat:c2jmgowczffezpnpf3zb6jsxj4