Search Results for author: Sho Takemori

Found 6 papers, 1 papers with code

Selective Mixup Fine-Tuning for Optimizing Non-Decomposable Objectives

no code implementations27 Mar 2024 Shrinivas Ramasubramanian, Harsh Rangwani, Sho Takemori, Kunal Samanta, Yuhei Umeda, Venkatesh Babu Radhakrishnan

We find that current state-of-the-art empirical techniques offer sub-optimal performance on these practical, non-decomposable performance objectives.

Fairness imbalanced classification

Cost-Sensitive Self-Training for Optimizing Non-Decomposable Metrics

1 code implementation28 Apr 2023 Harsh Rangwani, Shrinivas Ramasubramanian, Sho Takemori, Kato Takashi, Yuhei Umeda, Venkatesh Babu Radhakrishnan

Using the proposed CSST framework, we obtain practical self-training methods (for both vision and NLP tasks) for optimizing different non-decomposable metrics using deep neural networks.

Causality-Aware Neighborhood Methods for Recommender Systems

no code implementations17 Dec 2020 Masahiro Sato, Sho Takemori, Janmajay Singh, Qian Zhang

In this work, we unify traditional neighborhood recommendation methods with the matching estimator, and develop robust ranking methods for the causal effect of recommendations.

Causal Inference Recommendation Systems

Approximation Theory Based Methods for RKHS Bandits

no code implementations23 Oct 2020 Sho Takemori, Masahiro Sato

The RKHS bandit problem (also called kernelized multi-armed bandit problem) is an online optimization problem of non-linear functions with noisy feedback.

Unbiased Learning for the Causal Effect of Recommendation

no code implementations11 Aug 2020 Masahiro Sato, Sho Takemori, Janmajay Singh, Tomoko Ohkuma

This paper proposes an unbiased learning framework for the causal effect of recommendation.

Recommendation Systems

Submodular Bandit Problem Under Multiple Constraints

no code implementations1 Jun 2020 Sho Takemori, Masahiro Sato, Takashi Sonoda, Janmajay Singh, Tomoko Ohkuma

Thus, motivated by diversified retrieval considering budget constraints, we introduce a submodular bandit problem under the intersection of $l$ knapsacks and a $k$-system constraint.

Recommendation Systems Retrieval

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