← Search

Heejin Do

10 accepted papers

2025

DyPCL: Dynamic Phoneme-level Contrastive Learning for Dysarthric Speech Recognition

NAACL 2025long

Dysarthric speech recognition often suffers from performance degradation due to the intrinsic diversity of dysarthric severity and extrinsic disparity from normal speech. To bridge these gaps, we propose a Dynamic Phoneme-level Contrastive Learning (DyPCL) method, which leads to obtaining invariant…

2025

Leveraging What’s Overfixed: Post-Correction via LLM Grammatical Error Overcorrection

EMNLP 2025

Robust supervised fine-tuned small Language Models (sLMs) often show high reliability but tend to undercorrect. They achieve high precision at the cost of low recall. Conversely, Large Language Models (LLMs) often show the opposite tendency, making excessive overcorrection, leading to low precision.

2025

Multimodal Cognitive Reframing Therapy via Multi-hop Psychotherapeutic Reasoning

NAACL 2025long

Previous research has revealed the potential of large language models (LLMs) to support cognitive reframing therapy; however, their focus was primarily on text-based methods, often overlooking the importance of non-verbal evidence crucial in real-life therapy. To alleviate this gap, we extend the te…

2025

Revisiting Early Detection of Sexual Predators via Turn-level Optimization

NAACL 2025long

Online grooming is a severe social threat where sexual predators gradually entrap child victims with subtle and gradual manipulation. Therefore, timely intervention for online grooming is critical for proactive protection. However, previous methods fail to determine the optimal intervention points (…

2025

Towards Prompt Generalization: Grammar-aware Cross-Prompt Automated Essay Scoring

NAACL 2025findings

In automated essay scoring (AES), recent efforts have shifted toward cross-prompt settings that score essays on unseen prompts for practical applicability. However, prior methods trained with essay-score pairs of specific prompts pose challenges in obtaining prompt-generalized essay representation.…

2024

Autoregressive Multi-trait Essay Scoring via Reinforcement Learning with Scoring-aware Multiple Rewards

EMNLP 2024main

Recent advances in automated essay scoring (AES) have shifted towards evaluating multiple traits to provide enriched feedback. Like typical AES systems, multi-trait AES employs the quadratic weighted kappa (QWK) to measure agreement with human raters, aligning closely with the rating schema; however…

Cited by 2SourcePDFScholar
2024

Multi-Dimensional Optimization for Text Summarization via Reinforcement Learning

ACL 2024long

The evaluation of summary quality encompasses diverse dimensions such as consistency, coherence, relevance, and fluency. However, existing summarization methods often target a specific dimension, facing challenges in generating well-balanced summaries across multiple dimensions. In this paper, we pr…

Cited by 7SourcePDFScholar
2023

Prompt- and Trait Relation-aware Cross-prompt Essay Trait Scoring

ACL 2023findings

Automated essay scoring (AES) aims to score essays written for a given prompt, which defines the writing topic. Most existing AES systems assume to grade essays of the same prompt as used in training and assign only a holistic score. However, such settings conflict with real-education situations; pr…