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Chung-En Sun

6 accepted papers

2025

Interpretable Generative Models through Post-hoc Concept Bottlenecks

CVPR 2025poster

Concept bottleneck models (CBM) aim to produce inherently interpretable models that rely on human-understandable concepts for their predictions. However, existing approaches to design interpretable generative models based on CBMs are not yet efficient and scalable, as they require expensive generati…

2025

Iterative Self-Tuning LLMs for Enhanced Jailbreaking Capabilities

NAACL 2025long

Recent research has shown that Large Language Models (LLMs) are vulnerable to automated jailbreak attacks, where adversarial suffixes crafted by algorithms appended to harmful queries bypass safety alignment and trigger unintended responses. Current methods for generating these suffixes are computat…

2025

ThinkEdit: Interpretable Weight Editing to Mitigate Overly Short Thinking in Reasoning Models

EMNLP 2025

Recent studies have shown that Large Language Models (LLMs) augmented with chain-of-thought (CoT) reasoning demonstrate impressive problem-solving abilities. However, in this work, we identify a recurring issue where these models occasionally generate overly short reasoning, leading to degraded perf

2024

Breaking the Barrier: Enhanced Utility and Robustness in Smoothed DRL Agents

ICML 2024poster

Robustness remains a paramount concern in deep reinforcement learning (DRL), with randomized smoothing emerging as a key technique for enhancing this attribute. However, a notable gap exists in the performance of current smoothed DRL agents, often characterized by significantly low clean rewards and…

2021

Melody Harmonization Using Orderless Nade, Chord Balancing, and Blocked Gibbs Sampling

ICASSP 2021accepted

Coherence and interestingness are two criteria for evaluating the performance of melody harmonization, which aims to generate a chord progression from a symbolic melody. In this study, we apply the concept of orderless NADE, which takes the melody and its partially masked chord sequence as the input…

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