First Conference on
Discrete Optimization and Machine Learning
23-25 July, 2018
RIKEN Center for Advanced Intelligence Project
Tokyo, Japan

Monday, July 23

09h30 - 10h00 Registration/Coffee
09h45 - 10h00 Opening remarks
10h00 - 12h00 Session A1 -- Chair: Leo Liberti
A11Blended conditional gradients
Sebastian Pokutta (Georgia Tech)
A12Projection-free simplex descent
Dan Tu (Georgia Tech)
A13Finding new molecules using deep neural network, simulation, and search
Kazuki Yoshizoe (RIKEN AIP)
A14Learning when to use a decomposition
Axel Parmentier (Ecole Nationale des Ponts et Chaussées)
12h00 - 13h30 Lunch
13h30 - 15h30 Session A2 -- Chair: Shinji Mizuno
A21Generative modeling via feasibility and iterative projection
Naveen Kodali (Georgia Tech)
A22Exact clustering via integer programming and maximum satisfiability
Atsushi Miyauchi (RIKEN AIP)
A23Approximation algorithms for covering problems
Yotaro Takazawa (Tokyo Institute of Technology)
A24Submodular reassignment problem for reallocating agents to tasks with synergy effects
Yoshio Okamoto (University of Electro Communications)
15h30 - 16h00 Coffee
16h00 - 17h30 Session A3 -- Chair: Yao Xie
A31Deep reinforcement learning in inventory management
Jana Boerger (Georgia Tech)
A32A framework of efficient online learning algorithms and applications
Nguyễn Kim Thắng (Université d’Evry)
A33Machine learning from weak supervision
Masashi Sugiyama (University of Tokyo / RIKEN AIP)

Tuesday, July 24

09h30 - 10h00 Coffee
10h00 - 12h00 Session B1 -- Chair: Yuri Faenza
B11Discrete DC programming for integrally convex functions
Kazuo Murota (Tokyo Metropolitan University)
B12On limited memory Kelley's method
Swati Gupta (Georgia Tech)
B13Submodular maximization over logics
Takanori Maehara (RIKEN AIP)
B14Finding Submodularity hidden in symmetric difference
Shuji Kijima (Kyushu University)
12h00 - 13h00 Lunch
13h00 - 14h00 Robot Demo I
Cognitive Assistive Technology team
Mihoko Otake (University of Tokyo / RIKEN AIP)
14h00 - 15h30 Session B2 -- Chair: Claudia D'Ambrosio
B21Random projections in mathematical programming
Leo Liberti (CNRS and Ecole Polytechnique)
B22An iterative algorithm using random projection for LP
Pierre-Louis Poirion (CNRS and Ecole Polytechnique)
B23Randomized Sketches for feasibility of large linear systems subject to arbitrary convex constraints
Khac Ky Vu (Chinese University of Hong Kong)
15h30 - 16h00 Coffee
16h00 - 17h30 Session B3 -- Chair: Sebastian Pokutta
B31Fenchel-Moreau conjugation inequalities in generalized convexity
Michel De Lara (Ecole Nationale des Ponts et Chaussées)
B32Heterogeneous medical data analysis by selective inference
Ichiro Takeuchi (Nagoya Institute of Technology / RIKEN AIP)
B33Fast yet simple natural-gradient variational inference in complex models
Mohammad Emtiyaz Khan (RIKEN AIP)

Wednesday, July 25

09h30 - 10h00 Coffee
10h00 - 12h00 Session C1 -- Chair: Swati Gupta
C11Robust hypothesis testing using Wasserstein uncertainty
Yao Xie (Georgia Tech)
C12Statistical estimation for non-smooth functions with the regularity lemma
Masaaki Imaizumi (Institute of Statistical Mathematics / RIKEN AIP)
C13Semiparametric choice models
Selin Ahipasaoglu (Singapore University of Technology and Design)
C14Mathematical programming for limited memory influence diagram
Victor Cohen (Ecole Nationale des Ponts et Chaussées)
12h00 - 13h00 Lunch
13h00 - 14h00 Robot Demo II
Hakuto, the Japanese Google-X team
Takeshi Hakamada (Ispace)
14h00 - 15h30 Session C2 -- Chair: Antoine Deza
C21Legal assignments and fast EADAM with consent via classical theory of stable matchings
Yuri Faenza (Columbia University)
C22Tensor factorization for spatio-temporal predictions
Koh Takeuchi (NTT CS Labs)
C23Using linear programming to train neural networks
Gonzalo Muñoz (Polytechnique Montréal)
15h30 - 16h00 Coffee
16h00 - 17h30 Session C3 -- Chair: Takanori Maehara
C31Spectral sparsification of hypergraph
Yuichi Yoshida (National Institute of Informatics)
C32Accelerated stochastic optimization for finite sum regularized empirical risk minimization
Taiji Suzuki (University of Tokyo / RIKEN AIP)
C33Convex matroid optimization, lattice polytopes, and degree sequences of hypergraphs
Antoine Deza (McMaster University)
17h30 Closing remarks

Last update: July 14, 2018