← Search

Justin Svegliato

14 accepted papers

2025

AssistanceZero: Scalably Solving Assistance Games

ICML 2025poster

Assistance games are a promising alternative to reinforcement learning from human feedback (RLHF) for training AI assistants. Assistance games resolve key drawbacks of RLHF, such as incentives for deceptive behavior, by explicitly modeling the interaction between assistant and user as a two-player g…

2025

MICE for CATs: Model-Internal Confidence Estimation for Calibrating Agents with Tools

NAACL 2025long

Tool-using agents that act in the world need to be both useful and safe. Well-calibrated model confidences can be used to weigh the risk versus reward of potential actions, but prior work shows that many models are poorly calibrated. Inspired by interpretability literature exploring the internals of…

2024

A StrongREJECT for Empty Jailbreaks

NeurIPS 2024poster

Most jailbreak papers claim the jailbreaks they propose are highly effective, often boasting near-100% attack success rates. However, it is perhaps more common than not for jailbreak developers to substantially exaggerate the effectiveness of their jailbreaks. We suggest this problem arises because…

2024

Ethically Compliant Autonomous Systems under Partial Observability

ICRA 2024poster

Ethically compliant autonomous systems (ECAS) are the prevailing approach to building robotic systems that perform sequential decision making subject to ethical theories in fully observable environments. However, in real-world robotics settings, these systems often operate under partial observabilit…

Cited by 1SourceScholar
2024

Tensor Trust: Interpretable Prompt Injection Attacks from an Online Game

ICLR 2024spotlight

While Large Language Models (LLMs) are increasingly being used in real-world applications, they remain vulnerable to *prompt injection attacks*: malicious third party prompts that subvert the intent of the system designer. To help researchers study this problem, we present a dataset of over 563,000…

Cited by 86SourcePDFScholar
2023

Formal Composition of Robotic Systems as Contract Programs

IROS 2023poster

Robotic systems are often composed of modular algorithms that each perform a specific function within a larger architecture, ranging from state estimation and task planning to trajectory optimization and object recognition. Existing work for specifying these systems as a formal composition of contra…

Cited by 0SourceScholar
2022

Metareasoning for Safe Decision Making in Autonomous Systems

ICRA 2022poster

Although experts carefully specify the high-level decision-making models in autonomous systems, it is infeasible to guarantee safety across every scenario during operation. We therefore propose a safety metareasoning system that optimizes the severity of the system's safety concerns and the interfer…

Cited by 11SourceScholar
2022

Selecting the Partial State Abstractions of MDPs: A Metareasoning Approach with Deep Reinforcement Learning

IROS 2022poster

Markov decision processes (MDPs) are a common general-purpose model used in robotics for representing sequential decision-making problems. Given the complexity of robotics applications, a popular approach for approximately solving MDPs relies on state aggregation to reduce the size of the state spac…

Cited by 6SourceScholar
2021

Agent-Aware State Estimation in Autonomous Vehicles

IROS 2021poster

Autonomous systems often operate in environments where the behavior of multiple agents is coordinated by a shared global state. Reliable estimation of the global state is thus critical for successfully operating in a multi-agent setting. We introduce agent-aware state estimation—a framework for calc…

Cited by 3SourcecodeScholar
2021

Improving Competence via Iterative State Space Refinement

IROS 2021poster

Despite considerable efforts by human designers, accounting for every unique situation that an autonomous robotic system deployed in the real world could face is often an infeasible task. As a result, many such deployed systems still rely on human assistance in various capacities to complete certain…

Cited by 6SourceScholar
2021

Solving Markov Decision Processes with Partial State Abstractions

ICRA 2021poster

Autonomous systems often use approximate planners that exploit state abstractions to solve large MDPs in real-time decision-making problems. However, these planners can eliminate details needed to produce effective behavior in autonomous systems. We therefore propose a novel model, a partially abstr…

Cited by 14SourceScholar
2019

Belief Space Metareasoning for Exception Recovery

IROS 2019poster

Due to the complexity of the real world, autonomous systems use decision-making models that rely on simplifying assumptions to make them computationally tractable and feasible to design. However, since these limited representations cannot fully capture the domain of operation, an autonomous system m…

Cited by 37SourceScholar