1 code implementation • 27 May 2022 • Shariq Iqbal, Robby Costales, Fei Sha
Work in MARL often focuses on solving tasks where agents interact with all other agents and entities in the environment; however, we observe that real-world tasks are often composed of several isolated instances of local agent interactions (subtasks), and each agent can meaningfully focus on one subtask to the exclusion of all else in the environment.
1 code implementation • ICLR 2022 • Robby Costales, Shariq Iqbal, Fei Sha
Existing works in hierarchical reinforcement learning provide agents with structural representations of subtasks but are not affordance-aware, and by grounding our definition of hierarchical affordances in the present state, our approach is more flexible than the multitude of approaches that ground their subtask dependencies in a symbolic history.
1 code implementation • 22 Apr 2020 • Robby Costales, Chengzhi Mao, Raphael Norwitz, Bryan Kim, Junfeng Yang
We propose a live attack on deep learning systems that patches model parameters in memory to achieve predefined malicious behavior on a certain set of inputs.