Papers by Yuchen Huang

24 papers
ProUIE: A Macro-to-Micro Progressive Learning Method for LLM-based Universal Information Extraction (2026.findings-acl)

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Challenge: ProUIE improves universal information extraction (UIE) without external information . many LLM-based methods rely on extra schema cues, external resources or complex alignment and verification pipelines .
Approach: They propose a Macro-to-Micro progressive learning approach that improves UIE without external information.
Outcome: ProUIE outperforms instruction-tuned baselines on average for NER and RE while using a smaller backbone.
To Answer or Not to Answer (TAONA): A Robust Textual Graph Understanding and Question Answering Approach (2025.findings-emnlp)

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Challenge: Existing studies assume that generated answers integrate all relevant information from the textual graph.
Approach: They propose a novel GraphRAG model that integrates all relevant information from the textual graph into the generated answer.
Outcome: Extensive experiments validate TAONA’s superior performance for both A-side and B-side tasks.
MMBoundary: Advancing MLLM Knowledge Boundary Awareness through Reasoning Step Confidence Calibration (2025.acl-long)

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Challenge: Existing methods calibrate model confidence on entire response, which leads to incorrect answers with high confidence.
Approach: They propose a framework that advances the knowledge boundary awareness of multimodal large language models through reasoning step confidence calibration.
Outcome: Empirical results show that the proposed framework outperforms existing methods across domains and metrics.
Are AI-Generated Text Detectors Robust to Adversarial Perturbations? (2024.acl-long)

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Challenge: Existing detectors for AI-generated text lack robustness against adversarial perturbations, with even minor changes in characters or words causing a reversal in distinguishing between human-created and AI-generated text.
Approach: They propose a siamese calibration technique to train the model to make equally confident predictions under different noise, which improves the model’s robustness against adversarial perturbations.
Outcome: The proposed detector outperforms baseline methods on four datasets and is more generalizable in cross-domain, cross-genre, and mixed-source scenarios.
Hephaestus: Improving Fundamental Agent Capabilities of Large Language Models through Continual Pre-Training (2025.naacl-long)

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Challenge: Existing LLMs often rely on complex prompting or extensive fine-tuning to introduce new capabilities while preserving strong generalizability.
Approach: They propose a large-scale pre-training corpus to enhance LLM agents' capabilities . they use 103B agent-specific data encompassing 76,537 APIs .
Outcome: The proposed training corpus outperforms open-source LLMs and commercial LLM agents on three agent benchmarks.
A Survey of Pun Generation: Datasets, Evaluations and Methodologies (2025.findings-emnlp)

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Challenge: Pun generation aims to modify linguistic elements in text to produce humour or evoke double meanings.
Approach: They propose to review pun generation datasets and methods across different stages . pun generation aims to produce humour or evoke double meanings .
Outcome: This paper summarises both automated and human evaluation metrics used to assess the quality of pun generation.
When Efficiency Becomes a Vulnerability: Computational Cost Attacks on WebAgents (2026.acl-long)

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Challenge: Existing WebAgents suffer from computational cost attacks due to long reasoning processes and excessive computational cost.
Approach: They propose a framework that generates adversarial prompts and a reinforcement learning-enhanced selector to identify the most effective perturbations.
Outcome: The proposed framework exploits large language models to generate diverse adversarial prompts and a reinforcement learning–enhanced selector to identify the most effective perturbations.
Intent-Aware and Hate-Mitigating Counterspeech Generation via Dual-Discriminator Guided LLMs (2024.lrec-main)

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Challenge: Hate speech is an aggressive expression that incites hatred towards specific groups based on their group identity.
Approach: They propose an LLMs-based framework for counterspeech generation that uses intent-aware discriminators to decode intents of LLM models.
Outcome: The proposed framework matches intents with hate mitigation intents and performs well.
Adversarial Yet Cooperative: Multi-Perspective Reasoning in Retrieved-Augmented Language Models (2026.findings-acl)

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Challenge: Existing training paradigms rely on outcome-oriented rewards, which provide insufficient signal for shaping the complex, multi-step reasoning process.
Approach: They propose a framework that integrates large reasoning models with retrieval-augmented generation to improve reasoning fidelity and verification rigor.
Outcome: Experiments on multiple benchmarks demonstrate the effectiveness of the proposed framework.
On Attention Redundancy: A Comprehensive Study (2021.naacl-main)

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Challenge: Attention redundancy has been observed among attention heads but has not been deeply studied in the literature.
Approach: They propose a multi-layer multi-head self-attention mechanism which is widely applied in modern neural language models.
Outcome: The proposed model is useful for interpretation and model compression.
MAC-Tuning: LLM Multi-Compositional Problem Reasoning with Enhanced Knowledge Boundary Awareness (2025.emnlp-main)

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Challenge: Large language models produce non-existing facts when faced with questions outside their parametric knowledge, which undermines their reliability.
Approach: They propose a method that separates the learning of answer prediction and confidence estimation during fine-tuning on instruction data.
Outcome: Experiments on multiple models and different model sizes show that the proposed method outperforms baselines by up to 25% in average precision.
StableToolBench-MirrorAPI: Modeling Tool Environments as Mirrors of 7,000+ Real-World APIs (2025.findings-acl)

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Challenge: Existing tool environments face challenges in balancing stability, scale, and realism, especially for benchmarking purposes.
Approach: They propose a framework that trains specialized LLMs to accurately simulate real API responses by supervised fine-tuning and chain-of-thought reasoning.
Outcome: The proposed framework achieves superior accuracy and stability compared to state-of-the-art methods on the newly constructed MirrorAPI-Bench and its integration into StableToolBench.
CriticLean: Critic-Guided Reinforcement Learning for Mathematical Formalization (2026.acl-long)

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Challenge: Existing approaches to formalizing mathematical statements face limitations in accuracy, especially in the context of complex, highlevel problems that involve sophisticated mathematical reasoning.
Approach: They propose a CriticLean framework that elevates the role of the critic from a passive validator to an active learning component and introduce a benchmark to measure models’ ability to distinguish semantically correct from incorrect formalizations.
Outcome: The proposed framework outperforms open- and closed-source benchmarks and shows that it significantly outperformed existing models.
Discrete Cross-Modal Alignment Enables Zero-Shot Speech Translation (2022.emnlp-main)

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Challenge: Existing zero-shot methods fail to align speech and text into a shared semantic space . Existing methods require expensive and expensive parallel ST data .
Approach: They propose a method that uses a shared discrete vocabulary space to align speech and text into a common space.
Outcome: The proposed method significantly improves the SOTA and even performs on par with the strong supervised ST baselines.
SAM3-I: Segment Anything with Instructions (2026.acl-long)

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Challenge: Existing methods for concept-level grounding and instruction-level reasoning use coarse representations and iterative mask filtering.
Approach: They propose an instruction-following extension of the Segment Anything Model 3 family that unifies concept-level grounding and instruction-level reasoning within a single segmentation framework.
Outcome: Experiments show that SAM3-I achieves appealing performance across referring and reasoning-based segmentation while maintaining its strong concept recall ability.
BlonDe: An Automatic Evaluation Metric for Document-level Machine Translation (2022.naacl-main)

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Challenge: Standard evaluation metrics, e.g., BLEU, TER and METEOR, focus on the quality of translations at the sentence level and do not consider discourse-level features.
Approach: They propose to use a metric to take discourse coherence into consideration by categorizing discourse-related spans and calculating the similarity-based F1 measure of categorized spans.
Outcome: The proposed metric possesses better selectivity and interpretability at the document-level, and is more sensitive to document- level nuances.
UniCorn: Towards Self-Improving Unified Multimodal Models through Self-Generated Supervision (2026.acl-long)

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Challenge: Unified Multimodal Models have achieved remarkable success in cross-modal comprehension, but a gap persists in their ability to translate internal knowledge into faithful and controllable synthesis.
Approach: They propose a self-improvement framework that partitions a single UMM into three collaborative roles: Proposer, Solver, and Judge.
Outcome: The proposed framework improves on TIIF, DPG, CompBench and UniCycle benchmarks.
Battling against Tough Resister: Strategy Planning with Adversarial Game for Non-collaborative Dialogues (2025.acl-long)

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Challenge: Non-collaborative dialogue involves two participants with conflicting interests engaging in multiround dialogue to achieve their own goals.
Approach: They propose a Game-based Adversarial self-play InterActive training paradigm which constructs an adversarial two-player (a persuader and a resister) zero-sum game and guides the game to approximate Nash Equilibrium (NE) via reinforcement learning.
Outcome: The proposed model achieves state-of-the-art performance on three datasets.
PaSa: An LLM Agent for Comprehensive Academic Paper Search (2025.acl-long)

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Challenge: We introduce PaSa, an advanced Paper Search agent powered by large language models . despite being trained on synthetic data, PaSA outperforms existing baselines on RealScholarQuery .
Approach: They introduce PaSa, an advanced Paper Search agent powered by large language models . they optimize PaSA using a synthetic dataset, AutoScholarQuery, which includes 35k fine-grained queries .
Outcome: The paper analyzes the performance of a paper search agent using a synthetic dataset . it significantly outperforms existing benchmarks on RealScholarQuery .
Triad: A Framework Leveraging a Multi-Role LLM-based Agent to Solve Knowledge Base Question Answering (2024.emnlp-main)

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Challenge: Recent advances with LLMs have shown promising results across various tasks, but their use in answering questions from knowledge bases remains largely unexplored.
Approach: They propose a framework that utilizes an LLM-based agent with multiple roles for KBQA tasks.
Outcome: The proposed framework outperforms state-of-the-art systems on the LC-QuAD and YAGO-QA benchmarks yielding F1 scores of 11.8% and 20.7%, respectively.
A Data-Centric Approach to Generalizable Speech Deepfake Detection (2026.acl-long)

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Challenge: Speech deepfake detection (SDD) is a critical research area as speech synthesis technologies become more sophisticated.
Approach: They propose a data-centric approach to generalize SDD data from two perspectives . they propose naive aggregation strategies for mixing heterogeneous data and diversity-optimized sampling strategy for a single dataset and multiple datasets.
Outcome: The proposed approach outperforms the naive aggregation baseline on a 12k-hour data pool while using only 3% of the total available data.
Not All Metrics Are Guilty: Improving NLG Evaluation by Diversifying References (2024.naacl-long)

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Challenge: Existing evaluation benchmarks with limited references may not accurately reflect the quality of the model’s hypotheses.
Approach: They propose a method to enrich evaluation benchmarks by diversifying the expression of a single reference into multiple high-quality ones to cover the semantic space of the reference sentence as much as possible.
Outcome: The proposed method can enhance evaluation benchmarks by diversifying the expression of reference into multiple high-quality ones to cover the semantic space of the reference sentence as much as possible.
Challenging the Explanation Based on Preceding Tokens: Discovering Transferable Non-Literal Biasing (2026.acl-short)

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Challenge: et al. (2017) show that the generated preceding tokens may push the large language model towards the target answer.
Approach: They find that generated preceding tokens may push large language models towards the target answer . they suggest that the LLM may intentionally use the semantically unrelated tokens to help generation of the target .
Outcome: The generated preceding tokens may push the large language model towards the target answer . the biased connotations of the target response can also transfer to other prompts .
MMCode: Benchmarking Multimodal Large Language Models for Code Generation with Visually Rich Programming Problems (2024.findings-emnlp)

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Challenge: Programming often involves translating detailed and complex specifications into code . current state-of-the-art models struggle to solve these problems, a new study shows .
Approach: They propose a multi-modal coding dataset to evaluate algorithmic problem-solving skills in visually rich contexts.
Outcome: The proposed model lacks powerful vision-code models due to the extreme demand for reasoning abilities.

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