Search Results for author: Nisar R. Ahmed

Found 9 papers, 1 papers with code

Using Surprise Index for Competency Assessment in Autonomous Decision-Making

no code implementations14 Dec 2023 Akash Ratheesh, Ofer Dagan, Nisar R. Ahmed, Jay McMahon

This paper considers the problem of evaluating an autonomous system's competency in performing a task, particularly when working in dynamic and uncertain environments.

Decision Making

Exploiting Structure for Optimal Multi-Agent Bayesian Decentralized Estimation

no code implementations20 Jul 2023 Christopher Funk, Ofer Dagan, Benjamin Noack, Nisar R. Ahmed

We then test our new non-monolithic CI algorithm on a large-scale target tracking simulation and show that it achieves a tighter bound and a more accurate estimate compared to the original monolithic CI.

Learning to Forecast Aleatoric and Epistemic Uncertainties over Long Horizon Trajectories

no code implementations17 Feb 2023 Aastha Acharya, Rebecca Russell, Nisar R. Ahmed

Giving autonomous agents the ability to forecast their own outcomes and uncertainty will allow them to communicate their competencies and be used more safely.

reinforcement-learning Reinforcement Learning (RL)

Uncertainty Quantification for Competency Assessment of Autonomous Agents

no code implementations21 Jun 2022 Aastha Acharya, Rebecca Russell, Nisar R. Ahmed

For safe and reliable deployment in the real world, autonomous agents must elicit appropriate levels of trust from human users.

Uncertainty Quantification

Competency Assessment for Autonomous Agents using Deep Generative Models

no code implementations23 Mar 2022 Aastha Acharya, Rebecca Russell, Nisar R. Ahmed

For autonomous agents to act as trustworthy partners to human users, they must be able to reliably communicate their competency for the tasks they are asked to perform.

Explaining Conditions for Reinforcement Learning Behaviors from Real and Imagined Data

no code implementations17 Nov 2020 Aastha Acharya, Rebecca Russell, Nisar R. Ahmed

The deployment of reinforcement learning (RL) in the real world comes with challenges in calibrating user trust and expectations.

reinforcement-learning Reinforcement Learning (RL)

In Automation We Trust: Investigating the Role of Uncertainty in Active Learning Systems

no code implementations2 Apr 2020 Michael L. Iuzzolino, Tetsumichi Umada, Nisar R. Ahmed, Danielle A. Szafir

A current standard policy for AL is to query the oracle (e. g., the analyst) to refine labels for datapoints where the classifier has the highest uncertainty.

Active Learning Classification +2

Factorized Machine Self-Confidence for Decision-Making Agents

1 code implementation15 Oct 2018 Brett W. Israelsen, Nisar R. Ahmed, Eric Frew, Dale Lawrence, Brian Argrow

Markov decision processes underlie much of the theory of reinforcement learning, and are commonly used for planning and decision making under uncertainty in robotics and autonomous systems.

Decision Making Decision Making Under Uncertainty

"Dave...I can assure you...that it's going to be all right..." -- A definition, case for, and survey of algorithmic assurances in human-autonomy trust relationships

no code implementations8 Nov 2017 Brett W. Israelsen, Nisar R. Ahmed

People who design, use, and are affected by autonomous artificially intelligent agents want to be able to \emph{trust} such agents -- that is, to know that these agents will perform correctly, to understand the reasoning behind their actions, and to know how to use them appropriately.

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