Search Results for author: Borislav Mavrin

Found 5 papers, 2 papers with code

Self-Supervised Contrastive BERT Fine-tuning for Fusion-based Reviewed-Item Retrieval

2 code implementations1 Aug 2023 Mohammad Mahdi Abdollah Pour, Parsa Farinneya, Armin Toroghi, Anton Korikov, Ali Pesaranghader, Touqir Sajed, Manasa Bharadwaj, Borislav Mavrin, Scott Sanner

Experimental results show that Late Fusion contrastive learning for Neural RIR outperforms all other contrastive IR configurations, Neural IR, and sparse retrieval baselines, thus demonstrating the power of exploiting the two-level structure in Neural RIR approaches as well as the importance of preserving the nuance of individual review content via Late Fusion methods.

Contrastive Learning Information Retrieval +2

Distributional Reinforcement Learning for Efficient Exploration

no code implementations13 May 2019 Borislav Mavrin, Shangtong Zhang, Hengshuai Yao, Linglong Kong, Kaiwen Wu, Yao-Liang Yu

In distributional reinforcement learning (RL), the estimated distribution of value function models both the parametric and intrinsic uncertainties.

Atari Games Distributional Reinforcement Learning +3

Deep Reinforcement Learning with Decorrelation

no code implementations18 Mar 2019 Borislav Mavrin, Hengshuai Yao, Linglong Kong

Further experiments on the losing games show that our decorelation algorithms can win over DQN and QR-DQN with a fined tuned regularization factor.

Atari Games reinforcement-learning +2

QUOTA: The Quantile Option Architecture for Reinforcement Learning

3 code implementations5 Nov 2018 Shangtong Zhang, Borislav Mavrin, Linglong Kong, Bo Liu, Hengshuai Yao

In this paper, we propose the Quantile Option Architecture (QUOTA) for exploration based on recent advances in distributional reinforcement learning (RL).

Decision Making Distributional Reinforcement Learning +2

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