Search Results for author: Edwin Zhang

Found 11 papers, 5 papers with code

Rapidly Bootstrapping a Question Answering Dataset for COVID-19

1 code implementation23 Apr 2020 Raphael Tang, Rodrigo Nogueira, Edwin Zhang, Nikhil Gupta, Phuong Cam, Kyunghyun Cho, Jimmy Lin

We present CovidQA, the beginnings of a question answering dataset specifically designed for COVID-19, built by hand from knowledge gathered from Kaggle's COVID-19 Open Research Dataset Challenge.

Question Answering

Covidex: Neural Ranking Models and Keyword Search Infrastructure for the COVID-19 Open Research Dataset

1 code implementation EMNLP (sdp) 2020 Edwin Zhang, Nikhil Gupta, Raphael Tang, Xiao Han, Ronak Pradeep, Kuang Lu, Yue Zhang, Rodrigo Nogueira, Kyunghyun Cho, Hui Fang, Jimmy Lin

We present Covidex, a search engine that exploits the latest neural ranking models to provide information access to the COVID-19 Open Research Dataset curated by the Allen Institute for AI.

Rapidly Deploying a Neural Search Engine for the COVID-19 Open Research Dataset: Preliminary Thoughts and Lessons Learned

1 code implementation10 Apr 2020 Edwin Zhang, Nikhil Gupta, Rodrigo Nogueira, Kyunghyun Cho, Jimmy Lin

We present the Neural Covidex, a search engine that exploits the latest neural ranking architectures to provide information access to the COVID-19 Open Research Dataset curated by the Allen Institute for AI.

Decision Making

Language Control Diffusion: Efficiently Scaling through Space, Time, and Tasks

1 code implementation27 Oct 2022 Edwin Zhang, Yujie Lu, William Wang, Amy Zhang

Training generalist agents is difficult across several axes, requiring us to deal with high-dimensional inputs (space), long horizons (time), and generalization to novel tasks.

reinforcement-learning Reinforcement Learning (RL)

Rapidly Deploying a Neural Search Engine for the COVID-19 Open Research Dataset

no code implementations ACL 2020 Edwin Zhang, Nikhil Gupta, Rodrigo Nogueira, Kyunghyun Cho, Jimmy Lin

The Neural Covidex is a search engine that exploits the latest neural ranking architectures to provide information access to the COVID-19 Open Research Dataset (CORD-19) curated by the Allen Institute for AI.

Decision Making

Cydex: Neural Search Infrastructure for the Scholarly Literature

no code implementations EMNLP (sdp) 2020 Shane Ding, Edwin Zhang, Jimmy Lin

Cydex is a platform that provides neural search infrastructure for domain-specific scholarly literature.

Offline Reinforcement Learning with Closed-Form Policy Improvement Operators

no code implementations29 Nov 2022 Jiachen Li, Edwin Zhang, Ming Yin, Qinxun Bai, Yu-Xiang Wang, William Yang Wang

Behavior constrained policy optimization has been demonstrated to be a successful paradigm for tackling Offline Reinforcement Learning.

D4RL Offline RL +2

Towards a Pretrained Model for Restless Bandits via Multi-arm Generalization

no code implementations23 Oct 2023 Yunfan Zhao, Nikhil Behari, Edward Hughes, Edwin Zhang, Dheeraj Nagaraj, Karl Tuyls, Aparna Taneja, Milind Tambe

Restless multi-arm bandits (RMABs), a class of resource allocation problems with broad application in areas such as healthcare, online advertising, and anti-poaching, have recently been studied from a multi-agent reinforcement learning perspective.

Multi-agent Reinforcement Learning Multi-Armed Bandits +1

Toward Computationally Efficient Inverse Reinforcement Learning via Reward Shaping

no code implementations15 Dec 2023 Lauren H. Cooke, Harvey Klyne, Edwin Zhang, Cassidy Laidlaw, Milind Tambe, Finale Doshi-Velez

Inverse reinforcement learning (IRL) is computationally challenging, with common approaches requiring the solution of multiple reinforcement learning (RL) sub-problems.

reinforcement-learning Reinforcement Learning (RL)

A Decision-Language Model (DLM) for Dynamic Restless Multi-Armed Bandit Tasks in Public Health

no code implementations22 Feb 2024 Nikhil Behari, Edwin Zhang, Yunfan Zhao, Aparna Taneja, Dheeraj Nagaraj, Milind Tambe

Efforts to reduce maternal mortality rate, a key UN Sustainable Development target (SDG Target 3. 1), rely largely on preventative care programs to spread critical health information to high-risk populations.

Language Modelling

Social Environment Design

1 code implementation21 Feb 2024 Edwin Zhang, Sadie Zhao, Tonghan Wang, Safwan Hossain, Henry Gasztowtt, Stephan Zheng, David C. Parkes, Milind Tambe, YiLing Chen

Artificial Intelligence (AI) holds promise as a technology that can be used to improve government and economic policy-making.

Decision Making

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