Papers by Jiaming Zhang

32 papers
DentalGPT: Incentivizing Multimodal Reasoning in Dentistry (2026.findings-acl)

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Challenge: Current multimodal large language models (MLLMs) show limited understanding of dental images.
Approach: They propose a dental-specialized multimodal large language model trained via staged multimodal alignment and reinforcement learning.
Outcome: The proposed model outperforms state-of-the-art models on disease classification and dental VQA tasks.
RWKV: Reinventing RNNs for the Transformer Era (2023.findings-emnlp)

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Challenge: recurrent neural networks struggle to match the performance of Transformers due to limitations in parallelization and scalability.
Approach: They propose a model architecture that combines the efficient parallelizable training of transformers with the efficient inference of RNNs.
Outcome: The proposed model performs on par with similarly sized RNNs, suggesting future work can leverage this architecture to create more efficient models.
AgentGym2: Benchmarking Large Language Model Agents in De-Idealized Real-World Environments (2026.acl-long)

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Challenge: Existing benchmarks evaluate agents in simplified, idealized settings, relying on pre-packaged tool interfaces, overlooking critical steps, and assume inputs are clean and fully specified.
Approach: They propose a framework that evaluates language agents in simplified, idealized settings . they show that even SOTA systems like Gemini and GPT-5 struggle on AgentGym2 .
Outcome: Experiments on 15 proprietary and open-source models show that even SOTA systems like Gemini and GPT-5 struggle on AgentGym2 .
Learning from Mistakes: Iterative Prompt Relabeling for Text-to-Image Diffusion Model Training (2024.findings-emnlp)

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Challenge: Recent advances in diffusion models have shown impressive performance in many domains, but their ability to follow instructions is still unsatisfactory.
Approach: They propose an algorithm that aligns images to text through iterative image sampling and prompt relabeling with feedback.
Outcome: The proposed algorithm improves on the spatial relation VISOR benchmark by 15.22% compared to previous methods.
QiMeng-PRepair: Precise Code Repair via Edit-Aware Reward Optimization (2026.acl-long)

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Challenge: Existing approaches to program repair are based on correctness alone.
Approach: They propose a framework that mitigates over-editing and improves repair accuracy by generating buggy programs and re-edits.
Outcome: The proposed framework improves repair precision by 31.4% under fix1@1, a metric that considers repair correctness and extent, and significantly increases decoding throughput when combined with speculative editing.
PRISM: Probing Reasoning, Instruction, and Source Memory in LLM Hallucinations (2026.acl-long)

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Challenge: Existing benchmarks for hallucination evaluation rely on mixed queries and posterior evaluation, which quantifies hallucinosity severity but offers limited insight into where and why they occur.
Approach: They propose a controlled benchmark that disentangles hallucinations into four dimensions: knowledge missing, knowledge errors, reasoning errors, and instruction-following errors.
Outcome: The proposed model disentangles hallucinations into four dimensions: knowledge missing, knowledge errors, reasoning errors, and instruction-following errors.
Rumor Detection on Social Media with Crowd Intelligence and ChatGPT-Assisted Networks (2023.emnlp-main)

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Challenge: Existing research on rumor detection challenges the expressive power of text encoding sequences, and insufficient mining of semantic structural information.
Approach: They propose a Crowd Intelligence-based semantic feature learning module to capture textual content’s sequential and hierarchical features and a knowledge-based structural mining module that leverages ChatGPT for knowledge enhancement.
Outcome: The proposed system achieves performance improvement in rumor detection tasks validating the effectiveness and rationality of using large language models as auxiliary tools.
Cold-Start Data Selection for Better Few-shot Language Model Fine-tuning: A Prompt-based Uncertainty Propagation Approach (2023.acl-long)

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Challenge: Pre-trained language models (PLMs) have achieved competitive performance with limited labeled data for many NLP tasks.
Approach: They propose a prompt-based data selection method for pre-trained language models fine-tuning under cold-start scenarios.
Outcome: The proposed method outperforms the strongest cold-start data selection baselines on six text classification datasets with 128 labels.
AudioPrivacy: Parallel Audio Dataset for Speaker Profiling with Diverse Audio Types and Rich Attributes (2026.findings-acl)

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Challenge: Speech signals convey abundant speaker-related metadata, yet current privacy research focuses on identity-centric voiceprint protection, leaving sensitive Speaker Attribute Privacy (SAP) underexplored.
Approach: They propose a large-scale Chinese dataset to evaluate speaker-related privacy leakage . the dataset includes 227.3 hours of audio from 1,000 speakers .
Outcome: The proposed model systematically evaluates speaker-related privacy leakage in everyday scenarios.
Towards IP Intelligence: Benchmarking Large Language Models on Intellectual Property Knowledge and Practice (2026.findings-acl)

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Challenge: Existing datasets and benchmarks focus only on patents or cover limited aspects of the IP field, lacking alignment with real-world scenarios.
Approach: They propose a bilingual IP task taxonomy and a large-scale bilingual benchmark to evaluate LLMs in real-world IP practice.
Outcome: The proposed model achieves only 75.8% accuracy, indicating room for improvement . open-source IP and law-oriented models lag behind closed-source general-purpose models .
A Game-Theoretica Negotiation Framework for Cross-Cultural Consensus (2026.acl-long)

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Challenge: Large language models exhibit pronounced WEIRD cultural bias, marginalizing diverse viewpoints and posing challenges for reconciling diverse populations with varying cultural backgrounds and value systems.
Approach: They propose a framework for cross-cultural fairness using a Nash Equilibrium . they propose equilibriums that iteratively propose and refine natural-language guidelines .
Outcome: The proposed framework generates higher-quality and more balanced consensus . it finetunes diverse LLM architectures with negotiation data, reducing cultural distances by 95.53%.
TransLLM: A Unified Multi-Task Large Language Model for Urban Transportation via Learnable Prompting (2026.acl-long)

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Challenge: Existing models lack generalization capabilities and lack structured spatiotemporal data.
Approach: They propose a unified multi-task framework that synergizes spatiotemporal encoding with LLM reasoning through learnable prompt composition.
Outcome: The proposed framework outperforms baseline models on seven datasets and three tasks on supervised and zero-shot settings with excellent generalization and robustness.
Ex3: Automatic Novel Writing by Extracting, Excelsior and Expanding (2024.acl-long)

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Challenge: Generating long-term texts using artificial intelligence has always been a challenge . however, the generated novels exhibit poor logical coherence and appeal in their plots and deficiencies in character and event depiction, ultimately compromising the overall narrative quality.
Approach: They propose a method for extracting excelsior and expanding from novel data to generate arbitrarily long novels using large language models.
Outcome: The proposed method produces high-quality long-form novels with a high level of logical coherence and appeal despite the use of large language models.
For-Value: Efficient Forward-Only Data Valuation for finetuning LLMs and VLMs (2026.acl-long)

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Challenge: Existing methods for data valuation rely on gradient computations, making them prohibitive for billion-parameter models.
Approach: They propose a forward-only data valuation framework that enables efficient batch-scalable value estimation while maintaining effectiveness.
Outcome: The proposed framework matches or outperforms gradient-based baselines in detecting influential data and mislabeled data while achieving significant efficiency improvements.
Empower Entity Set Expansion via Language Model Probing (2020.acl-main)

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Challenge: Existing methods for expanding seed entities with new entities belong to the same semantic class are difficult to implement and can lead to accumulative errors.
Approach: They propose an iterative set expansion framework that leverages automatically generated class names to address the semantic drift issue.
Outcome: The proposed framework generates high-quality class names and outperforms state-of-the-art methods significantly.
PLaD: Preference-based Large Language Model Distillation with Pseudo-Preference Pairs (2024.findings-acl)

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Challenge: Knowledge distillation (KD) is a technique for transferring expertise from large teacher models to compact student models with reduced memory footprints and inference costs.
Approach: They propose to transfer knowledge from large teacher models to compact student models by exploiting teacher-student capacity discrepancies to generate pseudo-preference pairs where teacher outputs are preferred over student outputs.
Outcome: The proposed framework exploits teacher-student capacity discrepancy to generate pseudo-preference pairs where teacher outputs are preferred over student outputs.
ReGen: Zero-Shot Text Classification via Training Data Generation with Progressive Dense Retrieval (2023.findings-acl)

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Challenge: Recent studies show that large pretrained language models can generate training data with no task-specific or cross-task data.
Approach: They propose a retrieval-enhanced framework to create training data from a general-domain unlabeled corpus.
Outcome: The proposed framework achieves 4.3% gain over baselines and saves 70% of time compared with baselines using large language models.
STORYTELLER: An Enhanced Plot-Planning Framework for Coherent and Cohesive Story Generation (2025.findings-acl)

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Challenge: Existing methods for storytelling lack coherence and consistency, compromising the overall storytelling experience.
Approach: They propose a novel approach that improves the coherence and consistency of automatically generated stories by managing plot nodes and enabling dynamic interactions between different parts of the story.
Outcome: The proposed approach outperforms existing methods in 84.33% of the trials.
MMTutorBench: The First Multimodal Benchmark for AI Math Tutoring (2026.acl-long)

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Challenge: Existing benchmarks for AI math tutoring largely overlook these skills.
Approach: They evaluate 12 leading multimodal large language models and find clear performance gaps between them.
Outcome: The proposed benchmarks show that they can solve 770 problems and provide diagnostics and guidance to students step by step.
LegalReasoner: Step-wised Verification-Correction for Legal Judgment Reasoning (2025.acl-long)

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Challenge: Existing legal judgment prediction methods struggle with logical errors when conducting complex legal reasoning.
Approach: They propose a method which enhances LJP reliability through step-wise verification and correction of the reasoning process.
Outcome: The proposed model significantly improves concordance with court decisions from 72.37 to 80.27 on LLAMA-3.1-70B.
PKU-SafeRLHF: Towards Multi-Level Safety Alignment for LLMs with Human Preference (2025.acl-long)

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Challenge: Using large-scale annotation data, large language models can generate noise, errors and biases, leading to unexpected behaviours.
Approach: They propose a dataset to promote safety alignment in large language models . they separate helpfulness and harmlessness annotations for question-answering pairs .
Outcome: The proposed dataset provides 44.6k prompts and 265k question-answer pairs with safety meta-labels for 19 harm categories and three severity levels, with answers generated by Llama-family models.
Corpus-based Open-Domain Event Type Induction (2021.emnlp-main)

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Challenge: Existing event extraction methods require predefined event types and their annotations to learn event extractors.
Approach: They propose to represent each event type as a cluster of predicate sense, object head> pairs.
Outcome: The proposed method can discover salient and high-quality event types on three datasets from different domains.
GUITester: Enabling GUI Agents for Exploratory Defect Discovery (2026.findings-acl)

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Challenge: Exploratory GUI testing is essential for software quality but suffers from high manual costs.
Approach: They propose a framework that decouples navigation from verification via two modules . they propose 143 tasks and a GUITestBench benchmark that features 26 defects .
Outcome: The proposed framework outperforms state-of-the-art benchmarks in 143 tasks and 26 defects.
Ruler: A Model-Agnostic Method to Control Generated Length for Large Language Models (2024.findings-emnlp)

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Challenge: Large language models struggle to meet user’s needs when required to generate responses of a specific length due to their inherent difficulty in accurately perceiving numerical constraints.
Approach: They propose a Target Length Generation Task and propose RULER, a model-agnostic approach that controls generated length for large language models.
Outcome: The proposed model-agnostic approach improves instruction-following ability of large language models under length-constrained instructions and can generate appropriate MLT when length constraints are not explicitly provided.
Making RALM Robust to Irrelevant Contexts via Layer Knowledge Guided Attention (2025.findings-acl)

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Challenge: Large language models (LLMs) face factual hallucination and knowledge obsolescence when tackling knowledge-intensive tasks.
Approach: They propose a layer-knowledge guided attention method which harnesses the layer-wise knowledge of large language models to optimize per-layer attention on useful passages.
Outcome: The proposed method outperforms existing methods on RALM benchmarks.
Benchmarking Multi-National Value Alignment for Large Language Models (2025.findings-acl)

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Challenge: Existing studies on large language models focus on ethical reviews, failing to capture the diversity of national values.
Approach: They propose a national value extraction pipeline to efficiently construct value assessment datasets and a model-based model with instruction tagging to process raw data sources.
Outcome: The proposed benchmark evaluates the alignment of LLMs with the values of five major nations: China, the United States, the UK, France, and Germany.
Investigating and Enhancing Vision-Audio Capability in Omnimodal Large Language Models (2025.findings-acl)

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Challenge: Recent years have witnessed significant advancements in large language models (LLMs) but still struggle with integrating vision and audio.
Approach: They propose a self-knowledge distillation method to improve vision-audio capabilities of OLLMs by learning from the vision-text components.
Outcome: The proposed method improves vision-audio capabilities of OLLMs by learning from vision-text components, which improves interaction between audio and images and results in improved performance on multimodal tasks.
Explanation-aware Soft Ensemble Empowers Large Language Model In-context Learning (2024.acl-long)

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Challenge: Recent advances in natural language processing (NLP) have witnessed the remarkable capabilities of Large Language Models (LLMs).
Approach: They propose an Explanation-Aware Soft Ensemble framework to empower in-context learning with Large language models.
Outcome: The proposed framework can be used to enhance in-context learning on seven natural language understanding tasks and four varying-size LLMs.
Surge: On the Potential of Large Language Models as General-Purpose Surrogate Code Executors (2025.emnlp-main)

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Challenge: Neural surrogate models are powerful tools in data mining, but are underexplored . large language models (LLMs) have demonstrated remarkable capabilities in code-related tasks .
Approach: They propose a benchmarking framework to examine the feasibility of large language models . they examine scaling laws, data efficiency, and predictive accuracy of 21 open-source and proprietary LLMs .
Outcome: The proposed benchmark examines 21 open-source and proprietary LLMs . it also examines scaling laws, data efficiency, and predictive accuracy .
FinMME: Benchmark Dataset for Financial Multi-Modal Reasoning Evaluation (2025.acl-long)

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Challenge: Multimodal Large Language Models (MLLMs) have experienced rapid development in recent years, but there is a notable lack of effective and specialized multimodal evaluation datasets in the financial domain.
Approach: They introduce FinMME, a multimodal large language model with 11,000 financial research samples and 20 annotators.
Outcome: The proposed model performs better than state-of-the-art models, highlighting its challenging nature.
Evaluating Robustness of Large Audio Language Models to Audio Injection: An Empirical Study (2025.emnlp-main)

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Challenge: Large Audio-Language Models (LALMs) are increasingly being deployed in real-world applications, yet their robustness against malicious audio injection remains underexplored.
Approach: They quantitatively assess their vulnerabilities and resilience using metrics: the Defense Success Rate, Context Robustness Score, and Judgment Robustic Index.
Outcome: The proposed models demonstrate significant performance disparities across four attack scenarios.
SpeechLLM-as-Judges: Towards General and Interpretable Speech Quality Evaluation (2026.acl-long)

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Challenge: Existing methods for evaluating the perceptual quality of synthetic speech are limited due to the complexity of perceptual quality factors and the diversity of speech generation tasks.
Approach: They propose a new paradigm for enabling large language models to conduct structured speech quality evaluation using a large-scale dataset.
Outcome: The proposed model performs well across tasks and languages.

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