Papers by Ding Zhong

19 papers
Simple Role Assignment is Extraordinarily Effective for Safety Alignment (2026.findings-acl)

Copied to clipboard

Challenge: a new study proposes a role-conditioned pipeline for value alignment . principles alone are incomplete, and they provide little guidance on when and how a value applies in context.
Approach: They propose a role-conditioned pipeline with role-based critics and a model-free approach that is based on role conditioning.
Outcome: The proposed approach outperforms principle-based, Chain-of-Thought and other benchmarks.
Zero-shot Sharpness-Aware Quantization for Pre-trained Language Models (2023.emnlp-main)

Copied to clipboard

Challenge: Existing zero-shot quantization methods are based on overfitting problem in adversarial learning process, leading to sub-optimal performance.
Approach: They propose a zero-shot sharpness-aware quantization framework for the quantization of various PLMs by optimizing a minimax problem.
Outcome: The proposed framework can achieve significant performance gains on discriminative and generative PLMs.
Revisiting Knowledge Distillation for Autoregressive Language Models (2024.acl-long)

Copied to clipboard

Challenge: Autoregressive language models (LMs) are expensive and memory intensive, preventing the development of industrial applications.
Approach: They propose an adaptive teaching approach to improve the KD of autoregressive language models by distilling knowledge into a small student model.
Outcome: The proposed method can achieve consistent and significant performance gains across all model types and sizes.
ProQA: Structural Prompt-based Pre-training for Unified Question Answering (2022.naacl-main)

Copied to clipboard

Challenge: Existing QA research on question answering is focused on specific question types, knowledge domains, or reasoning skills.
Approach: They propose a unified QA paradigm that solves various tasks through a single model.
Outcome: The proposed model improves QA-centric ability on 11 QA benchmarks.
AssistedDS: Benchmarking How External Domain Knowledge Assists LLMs in Automated Data Science (2025.findings-emnlp)

Copied to clipboard

Challenge: Large language models (LLMs) have advanced the automation of data science workflows, yet it remains unclear whether they can critically leverage external domain knowledge as human data scientists do in practice.
Approach: They propose a benchmark to evaluate how large language models handle external domain knowledge in tabular prediction tasks.
Outcome: The proposed model evaluates whether it can critically leverage external domain knowledge as human data scientists do in practice.
Revisiting Token Dropping Strategy in Efficient BERT Pretraining (2023.acl-long)

Copied to clipboard

Challenge: Token dropping is a recently-proposed strategy to speed up the pretraining of masked language models, such as BERT.
Approach: They propose a semantic-consistent learning method to improve token dropping by skipping the computation of a subset of input tokens at several middle layers.
Outcome: The proposed method achieves consistent and significant performance gains across all tasks and model sizes.
Parallelism and Generation Order in Masked Diffusion Language Models: Limits Today, Potential Tomorrow (2026.findings-acl)

Copied to clipboard

Challenge: Autoregressive (AR) language models dominate modern natural language processing due to strong likelihood-based training objectives and reliable left-to-right decoding.
Approach: They characterize MDLM behavior along two dimensions: parallelism strength and generation order . authors propose a Generate-then-Edit paradigm that mitigates dependency loss .
Outcome: The proposed model improves on tasks that require "backward information" the Generate-then-Edit paradigm improves parallel decoding efficiency while reducing dependency loss.
Token-Level Self-Evolution Training for Sequence-to-Sequence Learning (2023.acl-short)

Copied to clipboard

Challenge: Adaptive training approaches do not consider the variation of learning difficulty in different training steps, making the learning deterministic and sub-optimal.
Approach: They propose a dynamic token-level self-evolution training method that reweighs the training losses of different target tokens based on priors.
Outcome: Empirically, the proposed method yields significant improvements on three translation tasks.
SimpleOCR: Rendering Visual Questions to Teach MLLMs to Read (2026.findings-acl)

Copied to clipboard

Challenge: MLLMs lack visual grounding mechanism to read text embedded in images, or rely on parametric shortcuts . despite strong OCR capabilities, models suffer performance degradation of 12.7% in the VQ setting .
Approach: They propose a plug-and-play training strategy that invalidates shortcuts in text prompts . they propose 'vq' setting where text queries are rendered directly onto images .
Outcome: The proposed training strategy surpasses the base model by 5.4% and GRPO based on original images by 2.7% on four representative OOD benchmarks.
KaFT: Knowledge-aware Fine-tuning for Boosting LLMs’ Domain-specific Question-Answering Performance (2025.findings-acl)

Copied to clipboard

Challenge: Recent literature reveals that supervised fine-tuning (SFT) is suboptimal for domain-specific question-answering tasks.
Approach: They propose a query diversification strategy for robust conflict detection and a knowledge-aware fine-tuning approach to effectively boost LLMs’ performance.
Outcome: The proposed approach improves the model generalization and alleviates the hallucination.
AgentGC: Evolutionary Learning-based Lossless Compression for Genomics Data with LLM-driven Multiple Agent (2026.findings-acl)

Copied to clipboard

Challenge: Lossless compression has made significant advancements in Genomics Data storage, sharing and management.
Approach: They propose a novel agent-based GD Compressor with 3 layers with a multi-agent named Leader and Worker.
Outcome: The proposed method improves on existing methods with low-level modeling and limited adaptability and user-unfriendly interface.
A Contrastive Cross-Channel Data Augmentation Framework for Aspect-Based Sentiment Analysis (2022.coling-1)

Copied to clipboard

Challenge: Aspect-based sentiment analysis is sensitive to multi-aspect challenges, resulting in multiple aspects in a sentence.
Approach: They propose a framework that leverages an in-domain generator to construct more multi-aspect samples . they then boost the robustness of ABSA models via contrastive learning on these generated samples ."
Outcome: The proposed framework outperforms baselines without any augmentations on accuracy and Macro- F1 . the proposed framework can generate more multi-aspect samples and boost the robustness of ABSA models .
Self-Evolution Learning for Mixup: Enhance Data Augmentation on Few-Shot Text Classification Tasks (2023.emnlp-main)

Copied to clipboard

Challenge: Text classification tasks often encounter few-shot scenarios with limited labeled data, and addressing data scarcity is crucial.
Approach: They propose a self-evolution learning (SE) based mixup approach for data augmentation in text classification which generates more adaptive and model-friendly pseudo samples for the model training.
Outcome: The proposed approach can generate more adaptive and model-friendly pseudo samples for the model training.
ROSE Doesn’t Do That: Boosting the Safety of Instruction-Tuned Large Language Models with Reverse Prompt Contrastive Decoding (2024.findings-acl)

Copied to clipboard

Challenge: Existing methods for aligning LLMs output with expected safety require substantial training efforts and expensive computational resources.
Approach: They propose a method to directly boost the safety of existing instruction-tuned large language models without additional training.
Outcome: The proposed method improves safety of instruction-tuned large language models without training and requires expensive computational resources.
Learning from Imperfect Data: Towards Efficient Knowledge Distillation of Autoregressive Language Models for Text-to-SQL (2024.findings-emnlp)

Copied to clipboard

Challenge: Existing text-to-SQL LLMs are computationally expensive and difficult to deploy in real-world applications.
Approach: They propose to distill a larger teacher model into a smaller student model by using imperfect data to improve the KD.
Outcome: The proposed method achieves the best tradeoff between performance and efficiency on 5 text-to-SQL benchmarks.
Self-Evolution Learning for Discriminative Language Model Pretraining (2023.findings-acl)

Copied to clipboard

Challenge: Random masking does not consider the importance of the different words in the sentence meaning, e.g., entity-level masking requires expensive prior knowledge and generally does not use existing model weights.
Approach: They propose a token masking and learning method that uses a random masking strategy to learn the under-explored tokens.
Outcome: The proposed method improves linguistic knowledge learning and generalization on 10 tasks.
Improving Sharpness-Aware Minimization with Fisher Mask for Better Generalization on Language Models (2022.findings-emnlp)

Copied to clipboard

Challenge: Existing methods for fine-tuning pretrained language models suffer from poor generalization . however, they add a perturbation to each model parameter equally, which is sub-optimal .
Approach: They propose a sharpness-aware minimization optimization procedure that introduces a Fisher mask to improve the efficiency of SAM.
Outcome: The proposed method outperforms the vanilla sharpness-aware minimization method on GLUE and SuperGLUE benchmarks.
EAGLE: Expert-Guided Self-Enhancement for Preference Alignment in Pathology Large Vision-Language Model (2025.acl-long)

Copied to clipboard

Challenge: Recent advances in Large Vision Language Models (LVLMs) show promise for pathological diagnosis, yet their application in clinical settings faces critical challenges of multimodal hallucination and biased responses.
Approach: They propose a framework that integrates medical expertise into preference alignment.
Outcome: The proposed framework outperforms existing pathological LVLMs while maintaining pathological accuracy.
Towards Making the Most of ChatGPT for Machine Translation (2023.findings-emnlp)

Copied to clipboard

Challenge: Prior studies have shown that ChatGPT achieves comparable results to commercial systems for high-resource languages, but lags behind in complex tasks, e.g., low-resourced and distant-language-pairs translation.
Approach: They propose task-specific prompts and domain-specific prompts which are based on task information and domain information and a task-specific prompt.
Outcome: The proposed prompts improve the performance of ChatGPT in complex tasks and generate hallucinations for non-English-centric tasks.

What is GenGO?

GenGO is an NLP powered publication search system. It currenctly indexes 30k+ papers from ACL Anthology, and implements multi-aspect summarization, semantic search, and more!

Information

About
Limitations