Neural approaches to conversational AI

J Gao, M Galley, L Li - The 41st international ACM SIGIR conference on …, 2018‏ - dl.acm.org
This tutorial surveys neural approaches to conversational AI that were developed in the last
few years. We group conversational systems into three categories:(1) question answering …

Bellman-consistent pessimism for offline reinforcement learning

T **e, CA Cheng, N Jiang, P Mineiro… - Advances in neural …, 2021‏ - proceedings.neurips.cc
The use of pessimism, when reasoning about datasets lacking exhaustive exploration has
recently gained prominence in offline reinforcement learning. Despite the robustness it adds …

Bridging offline reinforcement learning and imitation learning: A tale of pessimism

P Rashidinejad, B Zhu, C Ma, J Jiao… - Advances in Neural …, 2021‏ - proceedings.neurips.cc
Offline (or batch) reinforcement learning (RL) algorithms seek to learn an optimal policy from
a fixed dataset without active data collection. Based on the composition of the offline dataset …

The statistical complexity of interactive decision making

DJ Foster, SM Kakade, J Qian, A Rakhlin - arxiv preprint arxiv:2112.13487, 2021‏ - arxiv.org
A fundamental challenge in interactive learning and decision making, ranging from bandit
problems to reinforcement learning, is to provide sample-efficient, adaptive learning …

Dive into deep learning

A Zhang, ZC Lipton, M Li, AJ Smola - arxiv preprint arxiv:2106.11342, 2021‏ - arxiv.org
This open-source book represents our attempt to make deep learning approachable,
teaching readers the concepts, the context, and the code. The entire book is drafted in …

Bilinear classes: A structural framework for provable generalization in rl

S Du, S Kakade, J Lee, S Lovett… - International …, 2021‏ - proceedings.mlr.press
Abstract This work introduces Bilinear Classes, a new structural framework, which permit
generalization in reinforcement learning in a wide variety of settings through the use of …

Bellman eluder dimension: New rich classes of rl problems, and sample-efficient algorithms

C **, Q Liu, S Miryoosefi - Advances in neural information …, 2021‏ - proceedings.neurips.cc
Finding the minimal structural assumptions that empower sample-efficient learning is one of
the most important research directions in Reinforcement Learning (RL). This paper …

Provably efficient reinforcement learning with linear function approximation

C **, Z Yang, Z Wang… - Conference on learning …, 2020‏ - proceedings.mlr.press
Abstract Modern Reinforcement Learning (RL) is commonly applied to practical problems
with an enormous number of states, where\emph {function approximation} must be deployed …

Nearly minimax optimal reinforcement learning for linear mixture markov decision processes

D Zhou, Q Gu, C Szepesvari - Conference on Learning …, 2021‏ - proceedings.mlr.press
We study reinforcement learning (RL) with linear function approximation where the
underlying transition probability kernel of the Markov decision process (MDP) is a linear …

When is partially observable reinforcement learning not scary?

Q Liu, A Chung, C Szepesvári… - Conference on Learning …, 2022‏ - proceedings.mlr.press
Partial observability is ubiquitous in applications of Reinforcement Learning (RL), in which
agents learn to make a sequence of decisions despite lacking complete information about …