Search Results for author: Julie Shah

Found 30 papers, 9 papers with code

Grounding Language Plans in Demonstrations Through Counterfactual Perturbations

no code implementations25 Mar 2024 Yanwei Wang, Tsun-Hsuan Wang, Jiayuan Mao, Michael Hagenow, Julie Shah

Grounding the common-sense reasoning of Large Language Models in physical domains remains a pivotal yet unsolved problem for embodied AI.

Common Sense Reasoning counterfactual +2

Understanding Entrainment in Human Groups: Optimising Human-Robot Collaboration from Lessons Learned during Human-Human Collaboration

no code implementations23 Feb 2024 Eike Schneiders, Christopher Fourie, Stanley Celestin, Julie Shah, Malte Jung

This paper contributes to the Human-Computer/Robot Interaction (HCI/HRI) literature using a human-centred approach to identify characteristics of entrainment during pair- and group-based collaboration.

An Information Bottleneck Characterization of the Understanding-Workload Tradeoff

1 code implementation11 Oct 2023 Lindsay Sanneman, Mycal Tucker, Julie Shah

This empirical link between human factors and information-theoretic concepts provides an important mathematical characterization of the workload-understanding tradeoff which enables user-tailored XAI design.

Informativeness

Diagnosis, Feedback, Adaptation: A Human-in-the-Loop Framework for Test-Time Policy Adaptation

no code implementations12 Jul 2023 Andi Peng, Aviv Netanyahu, Mark Ho, Tianmin Shu, Andreea Bobu, Julie Shah, Pulkit Agrawal

Policies often fail due to distribution shift -- changes in the state and reward that occur when a policy is deployed in new environments.

Continuous Control counterfactual +1

Towards Collaborative Plan Acquisition through Theory of Mind Modeling in Situated Dialogue

1 code implementation18 May 2023 Cristian-Paul Bara, Ziqiao Ma, Yingzhuo Yu, Julie Shah, Joyce Chai

To complete these tasks, agents need to engage in situated communication with their partners and coordinate their partial plans towards a complete plan to achieve a joint task goal.

Collaborative Plan Acquisition Theory of Mind Modeling

Aligning Robot and Human Representations

no code implementations3 Feb 2023 Andreea Bobu, Andi Peng, Pulkit Agrawal, Julie Shah, Anca D. Dragan

To act in the world, robots rely on a representation of salient task aspects: for example, to carry a coffee mug, a robot may consider movement efficiency or mug orientation in its behavior.

Imitation Learning Representation Learning

Artificial Intelligence and Life in 2030: The One Hundred Year Study on Artificial Intelligence

no code implementations31 Oct 2022 Peter Stone, Rodney Brooks, Erik Brynjolfsson, Ryan Calo, Oren Etzioni, Greg Hager, Julia Hirschberg, Shivaram Kalyanakrishnan, Ece Kamar, Sarit Kraus, Kevin Leyton-Brown, David Parkes, William Press, AnnaLee Saxenian, Julie Shah, Milind Tambe, Astro Teller

In September 2016, Stanford's "One Hundred Year Study on Artificial Intelligence" project (AI100) issued the first report of its planned long-term periodic assessment of artificial intelligence (AI) and its impact on society.

Towards Human-Agent Communication via the Information Bottleneck Principle

no code implementations30 Jun 2022 Mycal Tucker, Julie Shah, Roger Levy, Noga Zaslavsky

Emergent communication research often focuses on optimizing task-specific utility as a driver for communication.

Informativeness

Temporal Logic Imitation: Learning Plan-Satisficing Motion Policies from Demonstrations

no code implementations9 Jun 2022 Yanwei Wang, Nadia Figueroa, Shen Li, Ankit Shah, Julie Shah

In this work, we identify the roots of this challenge as the failure of a learned continuous policy to satisfy the discrete plan implicit in the demonstration.

Imitation Learning

Prototype Based Classification from Hierarchy to Fairness

1 code implementation27 May 2022 Mycal Tucker, Julie Shah

Artificial neural nets can represent and classify many types of data but are often tailored to particular applications -- e. g., for "fair" or "hierarchical" classification.

Classification Fairness

The Solvability of Interpretability Evaluation Metrics

1 code implementation18 May 2022 Yilun Zhou, Julie Shah

Feature attribution methods are popular for explaining neural network predictions, and they are often evaluated on metrics such as comprehensiveness and sufficiency.

ExSum: From Local Explanations to Model Understanding

1 code implementation NAACL 2022 Yilun Zhou, Marco Tulio Ribeiro, Julie Shah

Interpretability methods are developed to understand the working mechanisms of black-box models, which is crucial to their responsible deployment.

counterfactual

Probe-Based Interventions for Modifying Agent Behavior

no code implementations26 Jan 2022 Mycal Tucker, William Kuhl, Khizer Shahid, Seth Karten, Katia Sycara, Julie Shah

Neural nets are powerful function approximators, but the behavior of a given neural net, once trained, cannot be easily modified.

Decision Making Multi-agent Reinforcement Learning +2

The Irrationality of Neural Rationale Models

1 code implementation NAACL (TrustNLP) 2022 Yiming Zheng, Serena Booth, Julie Shah, Yilun Zhou

We call for more rigorous and comprehensive evaluations of these models to ensure desired properties of interpretability are indeed achieved.

Explaining Reward Functions to Humans for Better Human-Robot Collaboration

no code implementations8 Oct 2021 Lindsay Sanneman, Julie Shah

One context where human understanding of agent reward functions is particularly beneficial is in the value alignment setting.

Emergent Discrete Communication in Semantic Spaces

no code implementations NeurIPS 2021 Mycal Tucker, Huao Li, Siddharth Agrawal, Dana Hughes, Katia Sycara, Michael Lewis, Julie Shah

Neural agents trained in reinforcement learning settings can learn to communicate among themselves via discrete tokens, accomplishing as a team what agents would be unable to do alone.

Supervised Bayesian Specification Inference from Demonstrations

no code implementations6 Jul 2021 Ankit Shah, Pritish Kamath, Shen Li, Patrick Craven, Kevin Landers, Kevin Oden, Julie Shah

When observing task demonstrations, human apprentices are able to identify whether a given task is executed correctly long before they gain expertise in actually performing that task.

Probabilistic Programming

A Bayesian Approach to Identifying Representational Errors

no code implementations28 Mar 2021 Ramya Ramakrishnan, Vaibhav Unhelkar, Ece Kamar, Julie Shah

Trained AI systems and expert decision makers can make errors that are often difficult to identify and understand.

Bayesian Inference

Interactive Robot Training for Non-Markov Tasks

no code implementations4 Mar 2020 Ankit Shah, Samir Wadhwania, Julie Shah

Defining sound and complete specifications for robots using formal languages is challenging, while learning formal specifications directly from demonstrations can lead to over-constrained task policies.

Active Learning

Bayes-TrEx: a Bayesian Sampling Approach to Model Transparency by Example

1 code implementation19 Feb 2020 Serena Booth, Yilun Zhou, Ankit Shah, Julie Shah

To address these challenges, we introduce a flexible model inspection framework: Bayes-TrEx.

Domain Adaptation

Adversarially Guided Self-Play for Adopting Social Conventions

no code implementations16 Jan 2020 Mycal Tucker, Yilun Zhou, Julie Shah

Robotic agents must adopt existing social conventions in order to be effective teammates.

Sampling Prediction-Matching Examples in Neural Networks: A Probabilistic Programming Approach

no code implementations9 Jan 2020 Serena Booth, Ankit Shah, Yilun Zhou, Julie Shah

In this paper, we consider the problem of exploring the prediction level sets of a classifier using probabilistic programming.

General Classification Probabilistic Programming

Discovering Blind Spots in Reinforcement Learning

no code implementations23 May 2018 Ramya Ramakrishnan, Ece Kamar, Debadeepta Dey, Julie Shah, Eric Horvitz

Agents trained in simulation may make errors in the real world due to mismatches between training and execution environments.

reinforcement-learning Reinforcement Learning (RL)

Human-Machine Collaborative Optimization via Apprenticeship Scheduling

no code implementations11 May 2018 Matthew Gombolay, Reed Jensen, Jessica Stigile, Toni Golen, Neel Shah, Sung-Hyun Son, Julie Shah

We empirically demonstrate that this approach accurately learns multifaceted heuristics on a synthetic data set incorporating job-shop scheduling and vehicle routing problems, as well as on two real-world data sets consisting of demonstrations of experts solving a weapon-to-target assignment problem and a hospital resource allocation problem.

Decision Making Job Shop Scheduling +1

The Bayesian Case Model: A Generative Approach for Case-Based Reasoning and Prototype Classification

no code implementations NeurIPS 2014 Been Kim, Cynthia Rudin, Julie Shah

We present the Bayesian Case Model (BCM), a general framework for Bayesian case-based reasoning (CBR) and prototype classification and clustering.

Classification Clustering +1

Efficient Model Learning for Human-Robot Collaborative Tasks

no code implementations24 May 2014 Stefanos Nikolaidis, Keren Gu, Ramya Ramakrishnan, Julie Shah

We present a framework for learning human user models from joint-action demonstrations that enables the robot to compute a robust policy for a collaborative task with a human.

Clustering

Inferring Robot Task Plans from Human Team Meetings: A Generative Modeling Approach with Logic-Based Prior

no code implementations5 Jun 2013 Been Kim, Caleb M. Chacha, Julie Shah

We present an algorithm that reduces this translation burden by inferring the final plan from a processed form of the human team's planning conversation.

Disaster Response Translation

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