Search Results for author: Rishab Balasubramanian

Found 5 papers, 3 papers with code

Adversarial Attacks on Combinatorial Multi-Armed Bandits

no code implementations8 Oct 2023 Rishab Balasubramanian, Jiawei Li, Prasad Tadepalli, Huazheng Wang, Qingyun Wu, Haoyu Zhao

Contrary to prior understanding of multi-armed bandits, our work reveals a surprising fact that the attackability of a specific CMAB instance also depends on whether the bandit instance is known or unknown to the adversary.

Multi-Armed Bandits

Unified Off-Policy Learning to Rank: a Reinforcement Learning Perspective

2 code implementations NeurIPS 2023 Zeyu Zhang, Yi Su, Hui Yuan, Yiran Wu, Rishab Balasubramanian, Qingyun Wu, Huazheng Wang, Mengdi Wang

Building upon this, we leverage offline RL techniques for off-policy LTR and propose the Click Model-Agnostic Unified Off-policy Learning to Rank (CUOLR) method, which could be easily applied to a wide range of click models.

Learning-To-Rank Offline RL +2

Contrastive Learning for Object Detection

1 code implementation12 Aug 2022 Rishab Balasubramanian, Kunal Rathore

Contrastive learning is commonly used as a method of self-supervised learning with the "anchor" and "positive" being two random augmentations of a given input image, and the "negative" is the set of all other images.

Contrastive Learning Object +3

Contrastive Learning for OOD in Object detection

1 code implementation12 Aug 2022 Rishab Balasubramanian, Rupashree Dey, Kunal Rathore

Contrastive learning is commonly applied to self-supervised learning, and has been shown to outperform traditional approaches such as the triplet loss and N-pair loss.

Contrastive Learning Object +4

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