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07/14/2023
An IPW-based Unbiased Ranking Metric in Two-sided Markets
In modern recommendation systems, unbiased learning-to-rank (LTR) is cru...
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04/28/2023
Counterfactual Explanation with Missing Values
Counterfactual Explanation (CE) is a post-hoc explanation method that pr...
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05/23/2022
Bézier Flow: a Surface-wise Gradient Descent Method for Multi-objective Optimization
In this paper, we propose a strategy to construct a multi-objective opti...
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03/29/2022
A Two-phase Framework with a Bézier Simplex-based Interpolation Method for Computationally Expensive Multi-objective Optimization
This paper proposes a two-phase framework with a Bézier simplex-based in...
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12/23/2021
Cardinality-constrained Distributionally Robust Portfolio Optimization
This paper studies a distributionally robust portfolio optimization mode...
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04/10/2021
Approximate Bayesian Computation of Bézier Simplices
Bézier simplex fitting algorithms have been recently proposed to approxi...
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12/22/2020
Ordered Counterfactual Explanation by Mixed-Integer Linear Optimization
Post-hoc explanation methods for machine learning models have been widel...
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07/30/2020
Prediction of hierarchical time series using structured regularization and its application to artificial neural networks
This paper discusses the prediction of hierarchical time series, where e...
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06/17/2019