Search Results for author: Ge Liu

Found 8 papers, 2 papers with code

Optimal Design for Human Feedback

no code implementations22 Apr 2024 Subhojyoti Mukherjee, Anusha Lalitha, Kousha Kalantari, Aniket Deshmukh, Ge Liu, Yifei Ma, Branislav Kveton

Learning of preference models from human feedback has been central to recent advances in artificial intelligence.

Pessimistic Off-Policy Multi-Objective Optimization

no code implementations28 Oct 2023 Shima Alizadeh, Aniruddha Bhargava, Karthick Gopalswamy, Lalit Jain, Branislav Kveton, Ge Liu

The pessimistic estimator can be optimized by policy gradients and performs well in all of our experiments.

Decision Making

Bridging Recommendation and Marketing via Recurrent Intensity Modeling

no code implementations ICLR 2022 Yifei Ma, Ge Liu, Anoop Deoras

RIM allows us to rethink recommendation in a Matching (Mtch) scenario, where the benefits of the users (e. g., ItemRec relevance) and item providers (e. g., item-exposure guarantees) are considered at the same time.

Marketing

Maximum n-times Coverage for Vaccine Design

1 code implementation ICLR 2022 Ge Liu, Alexander Dimitrakakis, Brandon Carter, David Gifford

We introduce the maximum $n$-times coverage problem that selects $k$ overlays to maximize the summed coverage of weighted elements, where each element must be covered at least $n$ times.

Information Condensing Active Learning

1 code implementation18 Feb 2020 Siddhartha Jain, Ge Liu, David Gifford

We introduce Information Condensing Active Learning (ICAL), a batch mode model agnostic Active Learning (AL) method targeted at Deep Bayesian Active Learning that focuses on acquiring labels for points which have as much information as possible about the still unacquired points.

Active Learning

Maximizing Overall Diversity for Improved Uncertainty Estimates in Deep Ensembles

no code implementations18 Jun 2019 Siddhartha Jain, Ge Liu, Jonas Mueller, David Gifford

The inaccuracy of neural network models on inputs that do not stem from the training data distribution is both problematic and at times unrecognized.

Bayesian Optimization

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