Papers by Xiuying Chen

50 papers
Decouple knowledge from paramters for plug-and-play language modeling (2023.findings-acl)

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Challenge: Pre-trained language models (PLMs) have made impressive results in a wide range of NLP tasks.
Approach: They propose a pre-training model with editable and scalable key-value memory and leverage knowledge in an explainable manner by knowledge retrieval in the pasted macro ‘MEMORY’.
Outcome: The proposed model decouples the knowledge storage from model parameters with an editable and scalable key-value memory and leverages knowledge in an explainable manner by knowledge retrieval in the pasted macro ‘MEMORY’.
The Stepwise Deception: Simulating the Evolution from True News to Fake News with LLM Agents (2025.emnlp-main)

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Challenge: Existing studies assume fake news is inherently existing rather than exploring its gradual formation.
Approach: They propose a Large Language Model-based simulation approach explicitly focusing on fake news evolution from real news.
Outcome: The proposed framework captures fake news evolution patterns and accurately reproduces known fake news, aligning closely with human evaluations.
Capturing Relations between Scientific Papers: An Abstractive Model for Related Work Section Generation (2021.acl-long)

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Challenge: Existing related work generation models are inflexible and extract sentences from multiple papers to form a related work discussion.
Approach: They propose a Relation-aware Related work generator which generates an abstractive related work from the given multiple scientific papers in the same research area.
Outcome: The proposed model improves over existing models and can be used to familiarize researchers with the state of the art in the field.
Optimizing User Profiles via Contextual Bandits for Retrieval-Augmented LLM Personalization (2026.acl-long)

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Challenge: Existing approaches for personalizing large language models require modifying parameters.
Approach: They propose a lightweight approach to personalizing large language models via retrieval augmentation . relevance serves as an unreliable proxy for utility, they argue .
Outcome: The proposed framework outperforms strong heuristic and retrieval-augmented baselines on nine personalization tasks.
ServImage: An Image Generation and Editing Benchmark from Real-world Commercial Imaging Services (2026.acl-long)

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Challenge: Recent image generation and editing models demonstrate robust adherence to instructions and high visual quality on academic benchmarks.
Approach: They propose a benchmark that correlates image outputs with economic value in commercial design projects.
Outcome: ServImage benchmarks show image generation models perform well on academic benchmarks but are uncertain on commercial projects.
Iterative Document Representation Learning Towards Summarization with Polishing (D18-1)

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Challenge: Existing summarization methods read through document only once to generate a document representation, resulting in a sub-optimal representation.
Approach: They propose an iterative model for supervised extractive text summarization which polishes the document representation on many passes through the document.
Outcome: The proposed model outperforms state-of-the-art extractive systems on CNN/DailyMail and DUC2002 datasets.
Selection and Generation: Learning towards Multi-Product Advertisement Post Generation (2020.emnlp-main)

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Challenge: E-commerce websites have billions of products, so it is impossible to write all copywriting manually.
Approach: They propose a model to generate an AD post using a select network and a MGenNet network to generate a post including selected products.
Outcome: The proposed model achieves impressive performance on a large-scale real-world AD post dataset.
Scientific Paper Extractive Summarization Enhanced by Citation Graphs (2022.emnlp-main)

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Challenge: citation graphs can be used to extract scientific papers under different conditions.
Approach: They propose a multi-granularity unsupervised summarization model that fine tunes a pre-trained encoder model on the citation graph by link prediction tasks.
Outcome: The proposed model outperforms baseline models on a public benchmark dataset.
Under the Shadow of Babel: How Language Shapes Reasoning in LLMs (2025.findings-emnlp)

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Challenge: linguistic relativity suggests that the structure of language shapes cognitive patterns . large language models internalize the habitual logical structures embedded in different languages, authors say .
Approach: a study introduces a bilingual dataset for causal reasoning in Chinese and English.
Outcome: a new study shows that large language models internalize reasoning biases shaped by language . the model internalizes language-specific preferences and rigidly applies them to atypical inputs, the study shows .
UMSE: Unified Multi-scenario Summarization Evaluation (2023.findings-acl)

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Challenge: Summarization quality evaluation is a non-trivial task in text summarization.
Approach: They propose a unified multi-scenario summarization evaluation model that shares cross-sceenario knowledge and uses a self-supervised training paradigm to optimize the model without extra human labeling.
Outcome: The proposed model can achieve comparable performance with existing methods for three evaluation scenarios.
Flipping Knowledge Distillation: Leveraging Small Models’ Expertise to Enhance LLMs in Text Matching (2025.acl-long)

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Challenge: Large Language Models (LLMs) have demonstrated remarkable capabilities in acquiring diverse knowledge, making them highly effective across a wide range of tasks.
Approach: They propose a flipped knowledge distillation paradigm where LLM learns from SLM . they propose to reinterpret LLMs as encoder-decoder models using LoRA .
Outcome: The proposed model has been deployed in an online application environment and validated on financial and healthcare benchmarks and real-world applications.
Injecting Domain-Specific Knowledge into Large Language Models: A Comprehensive Survey (2025.findings-emnlp)

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Challenge: specialized LLMs are often limited in domain-specific applications that require specialized knowledge.
Approach: They provide a comprehensive overview of four key methods to enhance large language models by integrating domain-specific knowledge.
Outcome: The proposed methods are categorized into four key approaches: dynamic knowledge injection, static knowledge embedding, modular adapters, and prompt optimization.
Audio Jailbreak: An Open Comprehensive Benchmark for Jailbreaking Large Audio-Language Models (2026.acl-long)

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Challenge: a recent study evaluated large audio-language models against jailbreak attacks . a new benchmark is being developed to evaluate LAM safety against jailbreaking attacks based on temporal and semantic nature of speech .
Approach: They propose a benchmark to evaluate LAM jailbreak vulnerabilities in adversarial audio prompts . they use a dataset of 1,495 adversarials to evaluate their performance .
Outcome: The proposed benchmark evaluates state-of-the-art LAMs against jailbreak attacks . it demonstrates that even small, semantically preserved perturbations can reduce safety .
BioGen: Generating Biography Summary under Table Guidance on Wikipedia (2021.findings-acl)

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Challenge: Existing methods for summarizing text have not captured the salient information from an article.
Approach: They propose a table-guided abstractive biography summarization that utilizes factual tables to capture important information and generate a summary of a biography.
Outcome: The proposed method is the first large-scale biography summarization dataset with tables.
Summarizing Procedural Text: Data and Approach (2022.findings-emnlp)

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Challenge: Procedural text summarization task is a popular task in the NLP field because of its long length and complexity.
Approach: They propose a procedural text summarization task with two granularity . they propose an Entity-State Graph-based Summarizer (ESGS) which aggregates contextual information for each procedure.
Outcome: The proposed model can summarize the entire procedural text or give an overview for each step or both . Experiments on two datasets confirm the proposed model's effectiveness.
Combining Curriculum Learning and Knowledge Distillation for Dialogue Generation (2021.findings-emnlp)

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Challenge: Existing studies have shown that curriculum learning facilitates dialogue generation tasks while knowledge distillation can yield significant performance boosts for student models.
Approach: They propose a combination of curriculum learning and knowledge distillation for dialogue generation models . they cluster training cases according to their complexity and employ an adversarial training strategy .
Outcome: The proposed model improves compared with baselines.
A Symbolic Adversarial Learning Framework for Evolving Fake News Generation and Detection (2025.emnlp-main)

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Challenge: Rapid LLM advancements heighten fake news risks by enabling the automatic generation of increasingly sophisticated misinformation.
Approach: They propose a framework that implements an adversarial training paradigm by an agent symbolic learning optimization process rather than numerical updates.
Outcome: The proposed framework generates sophisticated fake news that degrades state-of-the-art detection performance by 53.4% in Chinese and 34.2% in English on average.
Invisible Entropy: Towards Safe and Efficient Low-Entropy LLM Watermarking (2025.emnlp-main)

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Challenge: Existing methods to watermark low-entropy content are expensive and risky . IE reduces parameter size by 99% while achieving performance on par with state-of-the-art methods .
Approach: They propose a logit-based watermarking paradigm that uses entropy-based features to predict whether the next token is high or low.
Outcome: The proposed method reduces parameter size by 99% while achieving performance on par with state-of-the-art methods.
A Cognitive Writing Perspective for Constrained Long-Form Text Generation (2025.findings-acl)

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Challenge: Large Language Models struggle to generate high-quality long-form text in a single pass . a new framework that trains LLMs to write human-like writing capabilities is needed .
Approach: They propose a framework that equips large language models with human-like cognitive writing capabilities . they use a planning agent and multiple Generation Agents to generate long-form text in parallel .
Outcome: CogWriter surpasses GPT-4o by 22% in complex instruction completion accuracy . the framework can generate coherent text in a single pass with fluency that rivals human writers .
CulFiT: A Fine-grained Cultural-aware LLM Training Paradigm via Multilingual Critique Data Synthesis (2025.acl-long)

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Challenge: Large Language Models exhibit a specific cultural bias, neglecting values and differences of low-resource regions.
Approach: They propose a culturally-aware training paradigm that leverages multilingual data and fine-grained reward modeling to enhance cultural sensitivity and inclusivity.
Outcome: The proposed model achieves state-of-the-art in cultural alignment and general reasoning.
Dialogue Summarization with Static-Dynamic Structure Fusion Graph (2023.acl-long)

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Challenge: Dialogue summarization is a challenging task since it has dynamic interaction nature and inconsistent information flow among various speakers.
Approach: They propose a Static-Dynamic graph-based Dialogue Summarization model which fuses prior knowledge from human expertise and adaptively learns the graph structure in an end-to-end learning fashion.
Outcome: The proposed model can help people capture the highlights of a semi-structured and multi-participant dialogue without reviewing the complex dialogue context.
Stylized Dialogue Generation with Feature-Guided Knowledge Augmentation (2023.findings-emnlp)

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Challenge: Existing methods synthesize pseudo data through back translation but lack guidance on target style features.
Approach: They propose a knowledge-augmented stylized dialogue generation model with a feature-guided style knowledge selection module that utilizes context and response features.
Outcome: The proposed model produces a satisfactory performance on two public benchmarks on both semantic and stylized levels.
CURE-Med: Curriculum-Informed Reinforcement Learning for Multilingual Medical Reasoning (2026.acl-long)

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Challenge: Recent advances in large language models (LLMs) have produced strong performance in mathematical reasoning and code generation, but medical reasoning remains challenging because it requires domain knowledge.
Approach: They propose a multilingual medical reasoning dataset with open-ended reasoning queries with a single verifiable answer that spans thirteen languages.
Outcome: The proposed framework outperforms baselines and scales effectively across thirteen languages.
QUIDS: Query Intent Description for Exploratory Search via Dual Space Modeling (2025.emnlp-main)

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Challenge: Using QUIDS, we generate user-facing query intent descriptions that surface what the search engine likely inferred the query to mean based on post-retrieval evidence.
Approach: They propose a method that leverages dual-space contrastive learning to isolate intent-relevant information while suppressing irrelevant content.
Outcome: The proposed method outperforms state-of-the-art methods across ROUGE, BERTScore, and human/LLM evaluations.
From Evasion to Concealment: Stealthy Knowledge Unlearning for LLMs (2025.findings-acl)

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Challenge: Existing approaches to unlearning often treat nonsensical responses or template-based refusals as the unlearning target, making the process even more vulnerable to attacks and jailbreaks.
Approach: They propose a method that uses inverted facts to remove the need for auxiliary models or retaining data while avoiding leakage.
Outcome: Evaluated on the ToFU Knowledge Unlearning dataset using Llama2-7B-Chat and Phi-1.5, MEOW outperforms baselines in forgetting quality while preserving model utility.
Keywords and Instances: A Hierarchical Contrastive Learning Framework Unifying Hybrid Granularities for Text Generation (2022.acl-long)

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Challenge: Existing studies focus on contrastive learning on the instance level without discriminating the contribution of each word.
Approach: They propose a hierarchical contrastive learning mechanism which can unify semantic meaning in the input text.
Outcome: The proposed model outperforms baselines on storytelling, paraphrasing, dialogue generation, and storytelling tasks.
Detecting AI-Generated Video: A Vision–Language Dual-View Survey (2026.findings-acl)

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Challenge: realism of AI-generated Videos (AIGC-V) rendering artifact-centric detection insufficient, authors argue . a vision–language dual-view taxonomy is proposed to systematize this rapidly evolving field .
Approach: They propose a Vision–Language Dual-View taxonomy to systematize AIGC-V detection . they propose realism of AI-generated Videos is rendering traditional inspection insufficient .
Outcome: The proposed model aims to show that the existing methods are consistent with real-world facts.
Modeling Personalization in Continuous Space for Response Generation via Augmented Wasserstein Autoencoders (D19-1)

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Challenge: Existing work on variableal autoencoders and waterstein autoencoding models has shown significant progress in open-domain response generation.
Approach: They propose to embed user-level and utterance-level information into two multimodal distributions and combine them into a mixed distribution.
Outcome: The proposed model outperforms state-of-the-art models on a large-scale real-world dataset.
Hazards in Daily Life? Enabling Robots to Proactively Detect and Resolve Anomalies (2025.naacl-long)

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Challenge: Existing household robots are inability to recognize potential problems or dangers in home environments.
Approach: They propose a task of creating anomaly scenarios using generative models instead of manually labeled data to build simulated environments.
Outcome: The proposed framework outperforms existing models in terms of task description and scene diversity.
FineState-Bench: Benchmarking State-Conditioned Grounding for Fine-grained GUI State Setting (2026.findings-acl)

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Challenge: FineState-Bench evaluates whether an agent can correctly ground an instruction to the intended UI control and reach the exact target state.
Approach: They propose a benchmark that evaluates whether an agent can correctly ground an instruction to the intended UI control and reach the exact target state.
Outcome: The proposed benchmark evaluates whether an agent can ground an instruction to the intended UI control and reach the exact target state.
Decoding Echo Chambers: LLM-Powered Simulations Revealing Polarization in Social Networks (2025.coling-main)

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Challenge: Existing studies on social media echo chambers have been limited to numbers and formulas.
Approach: They propose an LLM-based simulation for the social opinion network to evaluate and counter polarization phenomena.
Outcome: The proposed model can simulate opinion dynamics and echo chambers using language-based simulations.
RiskLab: A Controlled Toolkit for Probing Emergent Risks in LLM-Based Multi-Agent Systems (2026.acl-demo)

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Challenge: Recent advances in large language model (LLM) agents have accelerated deployment of multi-agent systems for complex tasks.
Approach: They propose an open-source toolkit for instantiating, probing, and measuring emergent risks in LLM-based multi-agent systems under controlled conditions.
Outcome: The proposed toolkit is based on a structured topology–environment–protocol–agent–task quintuple enabling reproducible studies of how communication structure, coordination mechanisms, and incentives shape system-level risks.
Improving the Robustness of Summarization Systems with Dual Augmentation (2023.acl-long)

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Challenge: Experimental results show that state-of-the-art summarization models have a significant decrease in performance on adversarial and noisy test sets.
Approach: They propose a SummAttacker approach to generate adversarial samples based on pre-trained language models that can generate word-level synonym substitution and noise.
Outcome: The proposed model performs better on noisy, attacked, and clean datasets than baseline models and is more robust on noisy and attacked datasets.
Thinking Before Running! Efficient Code Generation with Thorough Exploration and Optimal Refinement (2025.findings-acl)

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Challenge: Recent research indicates that large language models (LLMs) have demonstrated remark-able capabilities in various programming-related domains, such as code generation and code refinement.
Approach: They propose a framework that combines exploration with refinement to reduce test-time computation overhead.
Outcome: The proposed framework outperforms SOTA and AgentCoder on humanEval and MBPP benchmarks while reducing test-time computation overhead and scalability.
When Personalization Tricks Detectors: The Feature-Inversion Trap in Machine-Generated Text Detection (2026.acl-long)

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Challenge: Personalized MGT detection remains largely underexplored due to personalization challenges . large language models (LLMs) can imitate personal writing styles, but they can generate fake news and misinformation.
Approach: They propose a benchmark to evaluate detector robustness under personalization . they attribute this limitation to a feature-inversion trap that flips the effect in personalized contexts .
Outcome: The proposed framework predicts detector robustness under personalization with an 85% correlation to actual results.
Cross-Lingual Pitfalls: Automatic Probing Cross-Lingual Weakness of Multilingual Large Language Models (2025.acl-long)

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Challenge: Large language models have achieved remarkable success in Natural Language Processing, yet their cross-lingual consistency remains a significant challenge.
Approach: They propose a method to identify cross-lingual weaknesses in Large Language Models . they construct bilingual question pairs that expose performance discrepancies between English and target languages .
Outcome: The proposed method uncovers over 50% accuracy drops in target languages across models.
Infusing Sequential Information into Conditional Masked Translation Model with Self-Review Mechanism (2020.coling-main)

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Challenge: Existing non-autoregressive models generate target words in parallel, but with a large latency due to the left-to-right dependency.
Approach: They propose to train a conditional masked translation model and refine results within several iterations to remedy a flawed translation by non-autoregressive models.
Outcome: The proposed model outperforms state-of-the-art models by over 1 BLEU while using less training computations.
VMSMO: Learning to Generate Multimodal Summary for Video-based News Articles (2020.emnlp-main)

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Challenge: Existing studies show that multimodal news can significantly improve users' sense of satisfaction for informativeness.
Approach: They propose a task of Video-based Multimodal Summarization with Multimodal Output to solve this problem.
Outcome: The proposed method can generate multimodal summaries with a single input . it can model the temporal dependency of video with semantic meaning of article .
How to Write Summaries with Patterns? Learning towards Abstractive Summarization through Prototype Editing (D19-1)

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Challenge: Extensive experiments on a large-scale real-world text summarization dataset show that PESG achieves the state-of-the-art performance in terms of both automatic metrics and human evaluations.
Approach: They propose a model that learns summary patterns and prototype facts from a prototype document . they use a fact checker to estimate mutual information between the input document and generated summary .
Outcome: Experiments on a large-scale real-world text summarization dataset show that PESG achieves state-of-the-art performance.
VSCBench: Bridging the Gap in Vision-Language Model Safety Calibration (2025.findings-acl)

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Challenge: Existing safety calibration methods focus on model undersafety, where the model responds to hazardous queries, while neglecting oversafetiness, where models refuse to answer safe queries.
Approach: They propose safety calibration which addresses both undersafety and oversafetiness by comparing model responses to a novel dataset of 3,600 image-text pairs.
Outcome: The proposed methods have been used to evaluate safety calibration across image-centric and text-centric scenarios.
Shaping the Safety Boundaries: Understanding and Defending Against Jailbreaks in Large Language Models (2025.acl-long)

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Challenge: Understanding how jailbreaking works remains limited, hindering the development of effective defense strategies.
Approach: They propose a new mechanism that adaptively constrains activations within the safety boundary and propose 'Activation Boundary Defense' to enhance its effectiveness.
Outcome: The proposed defense achieves an average Defense Success Rate (DSR) of over 98% against various jailbreak attacks, with less than 2% impact on the model’s general capabilities.
When Background Matters: Breaking Medical Vision Language Models by Transferable Attack (2026.acl-long)

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Challenge: Existing medical attacks focus on secondary objectives such as model stealing or adversarial fine-tuning, while transferable attacks from natural images introduce visible distortions that clinicians can easily detect. Existing transferable adversarials are less effective in the medical domain.
Approach: They propose a highly transferable black-box multimodal attack that induces incorrect yet clinically plausible diagnoses while keeping perturbations imperceptible.
Outcome: The proposed method induces incorrect yet clinically plausible diagnoses while keeping perturbations imperceptible.
Word Form Matters: LLMs’ Semantic Reconstruction under Typoglycemia (2025.findings-acl)

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Challenge: Typoglycemia is a phenomenon where people can read words even when the middle letters of the words are scrambled.
Approach: They propose a reliable metric to quantify the degree of semantic reconstruction and validate its effectiveness.
Outcome: The proposed metric quantifies the degree of semantic reconstruction and validates its effectiveness.
Towards a Unified Framework for Reference Retrieval and Related Work Generation (2023.findings-emnlp)

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Challenge: Existing methods for related work generation use human-annotated references as information sources.
Approach: They propose a model which combines reference retrieval and related work generation processes in a unified framework based on the large language model.
Outcome: The proposed model outperforms the state-of-the-art models on two wide-applied datasets.
From Style to Story: A Curriculum Learning Approach for Imitative Novel Generation (2026.findings-acl)

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Challenge: Novels create rich, immersive worlds with intricate plots and distinct styles, captivating readers through complex storytelling.
Approach: They propose a novel generation system that imitates novel elements by predicting plot developments and writing concrete details using vivid, expressive language.
Outcome: The novel imitative novel generation system is trained through a curriculum learning paradigm, progressing from low-level stylistic mastery to high-level narrative coherence.
Stick to the Facts: Learning towards a Fidelity-oriented E-Commerce Product Description Generation (D19-1)

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Challenge: Existing models for product description generation do not take the product attribute information into account.
Approach: They propose a model that takes the embedding and the entity label of each word into account . they establish a keyword memory that stores the entity labels as keys and keywords as values .
Outcome: The proposed model increases the fidelity of the generated descriptions by 25%.
IAD: In-Context Learning Ability Decoupler of Large Language Models in Meta-Training (2024.lrec-main)

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Challenge: In-context Learning (ICL) is a paradigm in which LLMs acquire task-specific knowledge by processing input-output pairs provided as prompts.
Approach: They propose an In-context learning Ability Decoupler to separate ICL ability from general ability of LLMs in meta-training phase . they first identify parameters suitable for ICL by transference-driven gradient importance and propose a new max-margin loss to emphasize the separation of the two abilities.
Outcome: The proposed model separates the ICL ability from the general ability of LLMs in the meta-training phase, where the I-related parameters are tuned to adapt for ICL tasks.
More is not always better? Enhancing Many-Shot In-Context Learning with Differentiated and Reweighting Objectives (2025.acl-long)

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Challenge: Large language models excel at few-shot in-context learning but performance plateaus as ICL demonstrations increase from a few to many.
Approach: They propose a novel optimization method that optimizes the negative log-likelihood objective and reweights the model to achieve many-shot performance.
Outcome: The proposed method achieves significant performance improvements across a large-scale dataset.
GlossaGen: Making Academic Translation Smarter with Glossing (2026.findings-acl)

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Challenge: Existing machine translation systems obscure or mistranslate key terminology, while paraphrasing aimed at lay readers often oversimplifies it, hindering their ability to master domain-specific technical vocabulary.
Approach: They propose a task which produces translations dynamically adapted to a reader’s academic proficiency, or level, and a framework to address this challenge.
Outcome: The proposed framework achieves higher scores than baselines on a synthesized benchmark and human evaluations.
Beyond Profile: From Surface-Level Facts to Deep Persona Simulation in LLMs (2025.findings-acl)

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Challenge: Existing approaches to persona simulation large language models (LLMs) focus on learning basic biographical information, or using limited role-play dialogue datasets to capture a character’s responses.
Approach: They propose to train characters using a linguistic structure and a style-tuning mechanism that allows a general linguistic style expert to collaborate with other task-specific experts to better understand their thoughts.
Outcome: The proposed model outperforms baselines on linguistic accuracy and opinion comprehension on three tasks for Lu Xun's essay collection.

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