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Evan Zheran Liu

6 accepted papers

2025

AutoBencher: Towards Declarative Benchmark Construction

ICLR 2025poster

We present AutoBencher, a declarative framework for automatic benchmark construction, and use it to scalably discover novel insights and vulnerabilities of existing language models. Concretely, given a few desiderata of benchmarks (e.g., question difficulty, topic salience), we operationalize each d…

Cited by 0Source ↗PDF ↗Scholar ↗
2024

Learning to Explore in POMDPs with Informational Rewards

ICML 2024poster

Standard exploration methods typically rely on random coverage of the state space or coverage-promoting exploration bonuses. However, in partially observed settings, the biggest exploration challenge is often posed by the need to discover information-gathering strategies---e.g., an agent that has to…

Cited by 3Source ↗PDF ↗Scholar ↗
2023

Simple Embodied Language Learning as a Byproduct of Meta-Reinforcement Learning

ICML 2023poster

Whereas machine learning models typically learn language by directly training on language tasks (e.g., next-word prediction), language emerges in human children as a byproduct of solving non-language tasks (e.g., acquiring food). Motivated by this observation, we ask: can embodied reinforcement lear…

Cited by 6Source ↗PDF ↗Scholar ↗
2022

Giving Feedback on Interactive Student Programs with Meta-Exploration

NeurIPS 2022accept

Developing interactive software, such as websites or games, is a particularly engaging way to learn computer science. However, teaching and giving feedback on such software is time-consuming — standard approaches require instructors to manually grade student-implemented interactive programs. As a re…

2022

Learning Options via Compression

NeurIPS 2022accept

Identifying statistical regularities in solutions to some tasks in multi-task reinforcement learning can accelerate the learning of new tasks. Skill learning offers one way of identifying these regularities by decomposing pre-collected experiences into a sequence of skills. A popular approach to ski…

2018

Reinforcement Learning on Web Interfaces using Workflow-Guided Exploration

ICLR 2018poster

Reinforcement learning (RL) agents improve through trial-and-error, but when reward is sparse and the agent cannot discover successful action sequences, learning stagnates. This has been a notable problem in training deep RL agents to perform web-based tasks, such as booking flights or replying to e…