Search Results for author: William B. Haskell

Found 8 papers, 0 papers with code

Learning to Price Supply Chain Contracts against a Learning Retailer

no code implementations2 Nov 2022 Xuejun Zhao, Ruihao Zhu, William B. Haskell

The goal for the supplier is to develop data-driven pricing policies with sublinear regret bounds under a wide range of possible retailer inventory policies for a fixed time horizon.

Decision Making

Preference Robust Optimization with Quasi-Concave Choice Functions for Multi-Attribute Prospects

no code implementations31 Aug 2020 Jian Wu, William B. Haskell, Wenjie Huang, Huifu Xu

Preference robust choice models concern decision-making problems where the decision maker's (DM) utility/risk preferences are ambiguous and the evaluation is based on the worst-case utility function/risk measure from a set of plausible utility functions/risk measures.

Attribute Decision Making +1

Convergence of Recursive Stochastic Algorithms using Wasserstein Divergence

no code implementations25 Mar 2020 Abhishek Gupta, William B. Haskell

We show that if the distribution of the iterates in the Markov chain satisfy a contraction property with respect to the Wasserstein divergence, then the Markov chain admits an invariant distribution.

Q-Learning

A Unifying Framework for Variance Reduction Algorithms for Finding Zeroes of Monotone Operators

no code implementations22 Jun 2019 Xun Zhang, William B. Haskell, Zhisheng Ye

This framework includes a number of existing deterministic and variance-reduced algorithms for function minimization as special cases, and it is also applicable to more general problems such as saddle-point problems and variational inequalities.

Preference Elicitation and Robust Optimization with Multi-Attribute Quasi-Concave Choice Functions

no code implementations17 May 2018 William B. Haskell, Wenjie Huang, Huifu Xu

Decision maker's preferences are often captured by some choice functions which are used to rank prospects.

Attribute

Stochastic Approximation for Risk-aware Markov Decision Processes

no code implementations11 May 2018 Wenjie Huang, William B. Haskell

The inner loop computes the risk by solving a stochastic saddle-point problem.

Q-Learning

A Unified Framework for Stochastic Matrix Factorization via Variance Reduction

no code implementations19 May 2017 Renbo Zhao, William B. Haskell, Jiashi Feng

We propose a unified framework to speed up the existing stochastic matrix factorization (SMF) algorithms via variance reduction.

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