Search Results for author: Andrew Shen

Found 3 papers, 2 papers with code

Easy-First Bottom-Up Discourse Parsing via Sequence Labelling

no code implementations • COLING (CODI, CRAC) 2022 • Andrew Shen, Fajri Koto, Jey Han Lau, Timothy Baldwin

We propose a novel unconstrained bottom-up approach for rhetorical discourse parsing based on sequence labelling of adjacent pairs of discourse units (DUs), based on the framework of Koto et al. (2021).

Discourse Parsing

Paper
Add Code

Versatile Offline Imitation from Observations and Examples via Regularized State-Occupancy Matching

2 code implementations • 4 Feb 2022 • Yecheng Jason Ma, Andrew Shen, Dinesh Jayaraman, Osbert Bastani

We propose State Matching Offline DIstribution Correction Estimation (SMODICE), a novel and versatile regression-based offline imitation learning (IL) algorithm derived via state-occupancy matching.

Imitation Learning Reinforcement Learning (RL)

Paper
Code

Conservative and Adaptive Penalty for Model-Based Safe Reinforcement Learning

1 code implementation • 14 Dec 2021 • Yecheng Jason Ma, Andrew Shen, Osbert Bastani, Dinesh Jayaraman

Further, CAP adaptively tunes this penalty during training using true cost feedback from the environment.

reinforcement-learning Reinforcement Learning (RL) +1

Paper
Code

Cannot find the paper you are looking for? You can Submit a new open access paper.