Papers by Zihao He

25 papers
RepoDebug: Repository-Level Multi-Task and Multi-Language Debugging Evaluation of Large Language Models (2025.findings-emnlp)

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Challenge: Large Language Models (LLMs) have exhibited significant proficiency in code debugging, especially in automatic program repair.
Approach: They propose a repository-level code debugging dataset with 22 subtypes of errors that supports 8 commonly used programming languages and 3 debug tasks.
Outcome: The proposed dataset supports 8 commonly used programming languages and 3 debugging tasks.
Generate-on-Graph: Treat LLM as both Agent and KG for Incomplete Knowledge Graph Question Answering (2024.emnlp-main)

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Challenge: Existing methods to integrate LLMs with Knowledge Graphs (KGs) however, these methods are often incomplete to cover all the knowledge required to answer questions.
Approach: They propose to integrate LLMs with Knowledge Graphs (KGs) to address insufficient knowledge and hallucination issues in Large Language Models.
Outcome: The proposed method outperforms existing methods on two datasets.
OpenHuEval: Evaluating Large Language Model on Hungarian Specifics (2025.findings-acl)

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Challenge: Recent advances in Large Language Models (LLMs) represent significant strides toward artificial general intelligence (AGI).
Approach: They introduce OpenHuEval, the first benchmark for LLMs focusing on the Hungarian language and specifics.
Outcome: The framework reveals intrinsic patterns and mechanisms of LLMs in non-English languages, with Hungarian serving as an example.
ALCAP: Alignment-Augmented Music Captioner (2023.emnlp-main)

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Challenge: Traditional approaches to music captioning ignore the intricate interplay between the two . however, a comprehensive understanding of music necessitates the integration of both these elements.
Approach: They propose a method to learn multimodal alignment between audio and lyrics through contrastive learning.
Outcome: The proposed method achieves new state-of-the-art on two music captioning datasets.
PRBench: Large-Scale Expert Rubrics for Evaluating High-Stakes Professional Reasoning (2026.acl-long)

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Challenge: Frontier models often lack a view of performance on open-ended, economically consequential tasks in high-stakes professional domains where practical returns matter most.
Approach: They introduce a professional reasoning benchmark that recruits 182 qualified professionals to contribute questions inspired by their workflows.
Outcome: The proposed model outperforms other models in 114 countries and 47 US jurisdictions on hard subsets.
Speaker Turn Modeling for Dialogue Act Classification (2021.findings-emnlp)

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Challenge: Existing approaches to DA classification model utterances without incorporating the turn changes among speakers throughout the dialogue, thus treating it no different than non-interactive written text.
Approach: They propose to integrate the turn changes in conversations among speakers when modeling DAs by learning conversation-invariant speaker turn embeddings to represent speaker turns in a conversation.
Outcome: The proposed model captures semantics from the dialogue content while accounting for different speaker turns in a conversation.
Multi-Task Reinforcement Learning for Enhanced Multimodal LLM-as-a-Judge (2026.acl-industry)

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Challenge: Existing MLLMs are optimized for single-task scenarios and struggle to generalize to diverse contexts.
Approach: They propose a framework that integrates multitask reinforcement learning and generalization capabilities of MLLMs to optimize the judge model across multiple tasks.
Outcome: The proposed framework outperforms baseline models in judgment consistency and correlation with human preferences.
PlanGenLLMs: A Modern Survey of LLM Planning Capabilities (2025.acl-long)

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Challenge: Existing studies have focused on developing LLMs to automate complex planning tasks.
Approach: They propose to provide a comprehensive overview of current LLM planners to fill this gap . they examine performance criteria including completeness, executability, optimality, representation, generalization, and efficiency .
Outcome: The proposed survey examines performance criteria for LLM planners and highlights their strengths and weaknesses.
STEER-BENCH: A Benchmark for Evaluating the Steerability of Large Language Models (2025.emnlp-main)

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Challenge: Large language models can adapt outputs to align with community-specific norms, perspectives and communication styles.
Approach: They propose a benchmark to assess community-specific steering using contrasting reddit communities.
Outcome: STEER-BENCH assesses how well large language models understand community-specific instructions, their resilience to adversarial steering attempts, and their ability to accurately represent cultural and ideological perspectives.
BigTokDetect: A Clinically-Informed Vision–Language Modeling Framework for Detecting Pro-Bigorexia Videos on TikTok (2026.eacl-long)

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Challenge: Social media platforms face escalating challenges in detecting harmful content that promotes muscle dysmorphic behaviors and cognitions (bigorexia).
Approach: They propose a framework for detecting pro-bigorexia content on TikTok using an expert-annotated multimodal benchmark dataset of over 2,200 Tiktok videos labeled by clinical psychiatrists.
Outcome: The proposed framework improves on fine-grained subcategories while commercial models achieve the highest accuracy on primary categories.
CAST: Achieving Stable LLM-based Text Analysis for Data Analytics (2026.findings-acl)

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Challenge: Text analysis of tabular data relies on two core operations: summarization for corpus-level theme extraction and tagging for row-level labeling.
Approach: They propose a framework that enhances output stability by constraining the model’s latent reasoning trajectory.
Outcome: The proposed framework improves stability by constraining the model's latent reasoning trajectory.
How Susceptible are Large Language Models to Ideological Manipulation? (2024.emnlp-main)

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Challenge: Large Language Models (LLMs) have the potential to exert substantial influence on public perceptions and interactions with information.
Approach: They examine how LLMs can learn and generalize ideological biases from their instruction-tuning data.
Outcome: The LLMs show a startling ability to absorb ideology from one topic and generalize it to even unrelated ones.
Reading Between the Tweets: Deciphering Ideological Stances of Interconnected Mixed-Ideology Communities (2024.findings-eacl)

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Challenge: Existing studies treat ideology as a liberal/conservative binary and fail to capture the spectrum of ideologies that may organically emerge in interconnected online communities.
Approach: They propose a method that uses finetuning language models to probe nuanced ideologies of online communities by analyzing discussions of the 2020 election on Twitter.
Outcome: The proposed approach shows higher alignment than baselines for the proposed approach.
Query-Driven Multimodal GraphRAG: Dynamic Local Knowledge Graph Construction for Online Reasoning (2025.findings-acl)

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Challenge: Existing approaches to build knowledge graphs with LLMs are constrained by static knowledge bases and ineffective multimodal data integration.
Approach: They propose a Query-Driven Multimodal GraphRAG framework that dynamically constructs local knowledge graphs tailored to query semantics.
Outcome: The proposed framework outperforms unsupervised competitors in cross-modal understanding of complex queries.
GLIMPSE: Do Large Vision-Language Models Truly Think With Videos or Just Glimpse at Them? (2025.emnlp-main)

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Challenge: Existing video benchmarks often resemble image-based questions with scans of only a few key frames, without deep temporal reasoning.
Approach: They propose a video benchmark to assess whether large vision-language models can genuinely think with videos rather than perform superficial frame-level analysis.
Outcome: The proposed benchmark consists of 3,269 videos and over 4,342 highly visual-centric questions across 11 categories, including Trajectory Analysis, Temporal Reasoning, and Forensics Detection.
Not All Voices Are Rewarded Equally: Probing and Repairing Reward Models across Human Diversity (2025.findings-emnlp)

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Challenge: Using real-world datasets, we conduct the most comprehensive study to date, auditing various state-of-the-art reward models across nine sensitive attributes, including age, gender, ethnicity, etc.
Approach: They propose a method to mitigate group disparities in reward modeling by using real-world data.
Outcome: The proposed method is based on a population-based dataset with nine demographic attributes, including gender, ethnicity, age, gender, and ethnicity.
Breaking the Reasoning Barrier A Survey on LLM Complex Reasoning through the Lens of Self-Evolution (2025.findings-acl)

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Challenge: OpenAI's O1 and subsequent projects like DeepSeek R1 have significantly advanced research on complex reasoning in LLMs.
Approach: They analyze existing reasoning studies from the perspective of self-evolution and summarize O1-like works from open-source projects like DeepSeek R1 and Kimi-k1.5.
Outcome: The proposed models are based on open-source models and pioneer advanced methodologies like Scaling Reinforcement Learning (RL).
Community-Cross-Instruct: Unsupervised Instruction Generation for Aligning Large Language Models to Online Communities (2024.emnlp-main)

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Challenge: Social scientists use surveys to learn opinions and beliefs of populations, but these methods are slow, costly, and prone to biases.
Approach: They propose a framework for aligning large language models to online communities by finetuning instruction-output pairs by an advanced LLM to elicit their beliefs.
Outcome: The proposed framework enables cost-effective and automated surveying of diverse online communities.
InternalInspector I2: Robust Confidence Estimation in LLMs through Internal States (2024.findings-emnlp)

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Challenge: Large Language Models (LLMs) often struggle with generating reliable outputs, often producing high-confidence inaccuracies known as hallucinations.
Approach: They propose a framework that leverages contrastive learning on internal states including attention states, feed-forward states, and activation states of all layers to enhance confidence estimation in LLMs.
Outcome: The framework outperforms existing methods in the hallucination detection benchmark HaluEval and the previous methods at the same time.
RAG over Tables: Hierarchical Memory Index, Multi-Stage Retrieval, and Benchmarking (2026.findings-acl)

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Challenge: Retrieval-Augmented Generation (RAG) integrates knowledge from tables with an external knowledge base to improve the answer relevance and accuracy.
Approach: They propose a table-corpora-aware RAG framework called T-RAG to integrate external knowledge into Large Language Models (LLMs) they then develop a multi-table question answering benchmark called MultiTableQA which spans 3 different task types, 57,193 tables, and 23,758 questions in total.
Outcome: The proposed framework achieves state-of-the-art accuracy, recall, and runtime performance, with improvements of up to 9.4%.
JARVIS-VLA: Post-Training Large-Scale Vision Language Models to Play Visual Games with Keyboards and Mouse (2025.findings-acl)

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Challenge: Visual Language Action models have shown promise in decision-making tasks, but have been neglected in previous work .
Approach: They propose a new paradigm for visual language action models that enhances the foundation model prior to action-specific tuning by first post-training it on a curated set of visual and linguistic tasks using self-supervised learning.
Outcome: The proposed model outperforms the best agent baseline on a diverse set of atomic tasks and surpasses imitation learning-based policies in Minecraft.
Can Graph Neural Networks Learn Language with Extremely Weak Text Supervision? (2025.acl-long)

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Challenge: Graph Neural Networks (GNNs) with CLIP pipeline are difficult because of the scarcity of labeled data and text supervision, different levels of downstream tasks, and conceptual gaps between domains.
Approach: They propose a multi-modal prompt learning paradigm to adapt pre-trained GNNs to downstream tasks with weak text supervision.
Outcome: The proposed model can generalize graphs to unseen classes with weak text supervision.
Whose Emotions and Moral Sentiments do Language Models Reflect? (2024.findings-acl)

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Challenge: Existing research has focused on positional alignment, which measures how closely the models mimic the opinions and stances of different social groups.
Approach: They define the problem of affective alignment, which measures how LMs’ emotional and moral tone represents those of different groups.
Outcome: The results show that the models represent the perspectives of some social groups better than others, suggesting a systemic bias within LMs.
Improving and Assessing the Fidelity of Large Language Models Alignment to Online Communities (2025.naacl-long)

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Challenge: Large language models (LLMs) have shown promise in representing individuals and communities, but evaluating their fidelity remains a challenge.
Approach: They propose a framework for aligning large language models with online communities via instruction-tuning and comprehensively evaluating alignment across various aspects of language.
Outcome: The proposed framework shows that it can be used to create high-fidelity representations of people and communities.
Detecting Polarized Topics Using Partisanship-aware Contextualized Topic Embeddings (2021.findings-emnlp)

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Challenge: polarization of the news media has been blamed for fanning disagreement, controversy and even violence.
Approach: They propose a method to automatically detect polarized topics from partisan news sources by corpus-contextualized topic embedding a news corpus on a topic and using cosine distance to capture topical polarization.
Outcome: The proposed method captures topical polarization and shows it can retrieve the most polarized topics.

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