Search Results for author: Haque Ishfaq

Found 5 papers, 3 papers with code

Offline Multitask Representation Learning for Reinforcement Learning

no code implementations18 Mar 2024 Haque Ishfaq, Thanh Nguyen-Tang, Songtao Feng, Raman Arora, Mengdi Wang, Ming Yin, Doina Precup

We study offline multitask representation learning in reinforcement learning (RL), where a learner is provided with an offline dataset from different tasks that share a common representation and is asked to learn the shared representation.

reinforcement-learning Reinforcement Learning (RL) +1

Provable and Practical: Efficient Exploration in Reinforcement Learning via Langevin Monte Carlo

1 code implementation29 May 2023 Haque Ishfaq, Qingfeng Lan, Pan Xu, A. Rupam Mahmood, Doina Precup, Anima Anandkumar, Kamyar Azizzadenesheli

One of the key shortcomings of existing Thompson sampling algorithms is the need to perform a Gaussian approximation of the posterior distribution, which is not a good surrogate in most practical settings.

Efficient Exploration reinforcement-learning +2

Randomized Exploration for Reinforcement Learning with General Value Function Approximation

1 code implementation15 Jun 2021 Haque Ishfaq, Qiwen Cui, Viet Nguyen, Alex Ayoub, Zhuoran Yang, Zhaoran Wang, Doina Precup, Lin F. Yang

We propose a model-free reinforcement learning algorithm inspired by the popular randomized least squares value iteration (RLSVI) algorithm as well as the optimism principle.

reinforcement-learning Reinforcement Learning (RL)

Path-Based Contextualization of Knowledge Graphs for Textual Entailment

no code implementations5 Nov 2019 Kshitij Fadnis, Kartik Talamadupula, Pavan Kapanipathi, Haque Ishfaq, Salim Roukos, Achille Fokoue

In this paper, we introduce the problem of knowledge graph contextualization -- that is, given a specific NLP task, the problem of extracting meaningful and relevant sub-graphs from a given knowledge graph.

Knowledge Graphs Natural Language Inference

TVAE: Triplet-Based Variational Autoencoder using Metric Learning

2 code implementations13 Feb 2018 Haque Ishfaq, Assaf Hoogi, Daniel Rubin

Deep metric learning has been demonstrated to be highly effective in learning semantic representation and encoding information that can be used to measure data similarity, by relying on the embedding learned from metric learning.

Metric Learning Representation Learning

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