Papers by Zihan Ma

17 papers
IMOL: Incomplete-Modality-Tolerant Learning for Multi-Domain Fake News Video Detection (2025.acl-long)

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Challenge: Existing methods for fake news video detection focus on a specific domain and assume multiple modalities.
Approach: They propose an incomplete-modality-tolerant learning framework for fake news video detection . they use cross-modal consistency to reconstruct missing modalities and transferable knowledge through cross-sample reasoning .
Outcome: The proposed framework improves performance and robustness of multi-domain fake news video detection while generalizing to unseen domains under incomplete modality conditions.
Event-Radar: Event-driven Multi-View Learning for Multimodal Fake News Detection (2024.acl-long)

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Challenge: Existing methods for detecting multimedia fake news have demonstrated excellent results . however, addressing event-level inconsistency and learning from poor-quality news remains a challenge .
Approach: They propose an Event-diven fake news detection framework that integrates visual manipulation, textual emotion and multimodal inconsistency at event-level for fake news identification.
Outcome: The proposed framework performs well on three large-scale fake news detection benchmarks.
From Detection to Understanding: Multi-Turn Reasoning for Video Misinformation Analysis (2026.acl-long)

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Challenge: Existing benchmarks focus on binary veracity judgments and do not evaluate process-level justifications for misinformation models.
Approach: They propose a video misinformation analysis benchmark that assesses reasoning in video misinterpretation.
Outcome: The proposed framework improves reasoning accuracy and explanation quality compared to existing models . it covers 12 fine-grained deception categories and progresses from perceptual attribution to intent and persuasion analysis.
Neo-Classic: A Benchmark for Evaluating Linguistic-Aesthetic Reasoning in Classical Chinese Poetry (2026.acl-long)

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Challenge: Large Language Models (LLMs) achieve high accuracy on established Classical Chinese Poetry benchmarks, but it remains challenging to distinguish transferable Linguistic-Aesthetic Reasoning from reliance on familiar pre-training patterns.
Approach: They propose a benchmark that combines a constructionist Out-of-Sample dataset with reverse understanding probes to evaluate large-scale large-format models.
Outcome: The proposed model performs well on classical Chinese poetry benchmarks, but a performance gap persists . the model can complete famous couplets and can be used to understand a variety of texts.
Self-Renewal Prompt Optimizing with Implicit Reasoning (2024.findings-emnlp)

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Challenge: Recent advances in NLP have been driven by the development of Large Language Models (LLMs).
Approach: They propose a self-renewal approach to optimize LLM outputs to better align with human preferences without supervised fine-tuning.
Outcome: The proposed approach improves outputs to better align with human preferences across LLMs and tasks without supervised fine-tuning.
CSMCIR: CoT-Enhanced Symmetric Alignment with Memory Bank for Composed Image Retrieval (2026.findings-acl)

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Challenge: Existing approaches to search for images using single-modality are limited by representation space fragmentation.
Approach: They propose a unified representation framework that achieves efficient query-target alignment . they introduce a multi-level Chain-of-Thought prompting strategy that guides MLMs to generate discriminative, semantically compatible captions for target images .
Outcome: The proposed framework achieves efficient query-target alignment through synergistic components.
MoDULA: Mixture of Domain-Specific and Universal LoRA for Multi-Task Learning (2024.emnlp-main)

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Challenge: Recent advances in open-source Large Language Models (LLMs) have achieved notable successes in natural language processing.
Approach: They propose a Parameter Efficient Fine-Tuning paradigm for improved fine-tuning and parameter efficiency in multi-task learning.
Outcome: The proposed model outperforms existing methods on multi-task learning while reducing training costs by over 80% without losing general capability.
Diagnosing Hidden Instabilities in Model Editing via Uncertainty Quantification (2026.acl-long)

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Challenge: Existing methods to update large language models (LLMs) without expensive retraining are fragile under single-edit evaluation protocols.
Approach: They propose a framework that characterizes activation-based editing as a constrained intervention on intermediate representations.
Outcome: The proposed method reveals local knowledge conflicts invisible to existing benchmarks.
DR-HM: Distill-then-Reinforce Training with Cognition-Aware Data Synthesis for Harmful Meme Detection (2026.findings-acl)

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Challenge: Current methods for harmful meme detection lack the knowledge required to identify such hate . current methods lack the ability to identify cultural stereotypes and visual metaphors .
Approach: They propose a framework that decomposes meme analysis into a human-inspired reasoning process . they propose DR-HM to transfer knowledge from closed-source models while mitigating biases .
Outcome: The proposed framework outperforms existing methods on three benchmark datasets.
From Script to Stage: Automating Experimental Design for Social Simulations with LLMs (2026.findings-acl)

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Challenge: Xu et al., 2024): multi-agent simulations based on large language models are a new paradigm for social science research . traditional experimental design relies on interdisciplinary expertise and technical barriers . Xiaoping and Xin eli argue that LLM-driven agents are unreliable for rigorous experimental design due to hallucinations and limited verifiability.
Approach: They propose a framework for multi-agent experiment design based on script generation . Script Composition, Script Finalization, and Actor Generation are the core phases of the framework .
Outcome: The proposed framework lowers the barrier for social science experimental design and provides scientifically grounded decision support for policy-making.
How Do Social Bots Participate in Misinformation Spread? A Comprehensive Dataset and Analysis (2025.emnlp-main)

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Challenge: Social media platforms provide an ideal environment to spread misinformation, where social bots can accelerate the spread.
Approach: They construct a large-scale dataset that includes annotations for misinformation and social bots on the Sina Weibo platform.
Outcome: The proposed dataset contains 65,749 social bots and 345,886 genuine accounts, annotated using a weakly supervised annotator.
ASCEND: A Spontaneous Chinese-English Dataset for Code-switching in Multi-turn Conversation (2022.lrec-1)

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Challenge: Code-switching is a speech phenomenon occurring when a speaker switches language during a conversation.
Approach: They propose to collect Mandarin Chinese-English code-switching corpus from read speech rather than spontaneous speech to address this phenomenon.
Outcome: ASCEND consists of 10.62 hours of clean speech, collected from 23 bilingual speakers of Chinese and English.
LLaSE-G1: Incentivizing Generalization Capability for LLaMA-based Speech Enhancement (2025.acl-long)

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Challenge: Recent advances in language models have demonstrated strong capabilities in semantic understanding and contextual modeling.
Approach: They propose a LLaMA-based language model that incentivizes generalization capabilities for speech enhancement.
Outcome: The proposed language model outperforms prior task-specific discriminative and generative models in acoustic enhancement tasks.
InfoGain-RAG: Boosting Retrieval-Augmented Generation through Document Information Gain-based Reranking and Filtering (2025.emnlp-main)

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Challenge: Retrieval-Augmented Generation (RAG) frameworks struggle with identifying whether retrieved documents meaningfully contribute to answer generation.
Approach: They propose a document-related metric to quantify the contribution of retrieved documents to correct answer generation.
Outcome: The proposed framework outperforms existing approaches on both single and multiple retrieval paradigms.
MessToClean: Evidence-Grounded Structure-Preserving Reconstruction for Real-World Degraded Exam Paper Images (2026.acl-long)

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Challenge: Existing Multimodal Large Language Models (MLLMs) fail under RDEI, leading to disrupted structure and evidence-unsupported hallucinations.
Approach: They propose a backbone-agnostic, evidence-driven pipeline that treats off-the-shelf MLLMs as interchangeable components to improve stem consistency and figure consistency.
Outcome: The proposed pipeline improves stem consistency by 1.01-3.18%, figure consistency by 0.50-49.16%, and refusal F1 by 1.06-10.88% across question types.
Natural Language Processing in Support of Evidence-based Medicine: A Scoping Review (2025.findings-acl)

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Challenge: Evidence-based medicine (EBM) is at the forefront of modern healthcare, emphasizing the use of the best available scientific evidence to guide clinical decisions.
Approach: They propose to investigate the use of Natural Language Processing (NLP) techniques to identify, appraise, synthesize, apply, and disseminate evidence in EBM.
Outcome: The proposed methods support the five fundamental steps of EBM—Ask, Acquire, Appraise, Apply, and Assess.
CuBridge: An LLM-Based Framework for Understanding and Reconstructing High-Performance Attention Kernels (2026.acl-long)

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Challenge: Existing approaches to support diverse attention variants trade performance for flexibility . expert-written kernels achieve high efficiency but are difficult to adapt .
Approach: They propose a framework that adapts expert-written attention kernels to GPUs . they use a structured lift–transfer–lower workflow to make execution explicit .
Outcome: The proposed framework outperforms existing frameworks and compilers on diverse variants and GPU platforms.

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