Hao Wang
University of Science and Technology of China
Other people with similar names: Hao Wang (Beijing Institute of Technology), Hao Wang (UESTC), Hao Wang (Nanjing), Hao Wang, Hao Wang (Stevens Institute of Technology), Hao Wang, Hao Wang, Hao Wang (HKUST), Hao Wang, Hao Wang, Hao Wang (Zhejiang), Hao Wang (Monash), Hao Wang
Unverified author pages with similar names: Hao Wang
2026
SPARD: Self-Paced Curriculum for RL Alignment via Integrating Reward Dynamics and Data Utility
Xuyang Zhi | Peilun Zhou | Chengqiang Lu | Hang Lv | Yiwei Liang | Rongyang Zhang | Yan Gao | Yiwu | Yao Hu | Hongchao Gu | Defu Lian | Hao Wang | Enhong Chen
Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)
Xuyang Zhi | Peilun Zhou | Chengqiang Lu | Hang Lv | Yiwei Liang | Rongyang Zhang | Yan Gao | Yiwu | Yao Hu | Hongchao Gu | Defu Lian | Hao Wang | Enhong Chen
Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)
The evolution of Large Language Models (LLMs) is shifting the focus from single, verifiable tasks toward complex, open-ended real-world scenarios, imposing significant challenges on the post-training phase. In these settings, the scale and complexity of reward systems have grown significantly, transitioning toward multi-objective formulations that encompass a comprehensive spectrum of model capabilities and application contexts. However, traditional methods typically rely on fixed reward weights, ignoring non-stationary learning dynamics and struggling with data heterogeneity across dimensions. To address these issues, we propose SPARD, a framework that establishes an automated, self-paced curriculum by perceiving learning progress to dynamically adjust multi-objective reward weights and data importance, thereby synchronizing learning intent with data utility for optimal performance. Extensive experiments across multiple benchmarks demonstrate that SPARD significantly enhances model capabilities across all domains. Our code is publicly available at https://github.com/USTC-StarTeam/SPARD.
2025
RAPID: Efficient Retrieval-Augmented Long Text Generation with Writing Planning and Information Discovery
Hongchao Gu | Dexun Li | Kuicai Dong | Hao Zhang | Hang Lv | Hao Wang | Defu Lian | Yong Liu | Enhong Chen
Findings of the Association for Computational Linguistics: ACL 2025
Hongchao Gu | Dexun Li | Kuicai Dong | Hao Zhang | Hang Lv | Hao Wang | Defu Lian | Yong Liu | Enhong Chen
Findings of the Association for Computational Linguistics: ACL 2025
Generating knowledge-intensive and comprehensive long texts, such as encyclopedia articles, remains significant challenges for Large Language Models. It requires not only the precise integration of facts but also the maintenance of thematic coherence throughout the article. Existing methods, such as multi-agent discussion, often struggle with issues like hallucinations, topic incoherence, and significant latency. To address these challenges, we propose RAPID, an efficient **R**etrieval-**A**ugmented long text generation framework with writing **P**lanning and **I**nformation **D**iscovery. RAPID consists of three main modules: (1) Retrieval-augmented preliminary outline generation to reduce hallucinations, (2) Attribute-constrained search for efficient information discovery, (3) Plan-guided article generation for enhanced coherence. Extensive experiments on our newly compiled benchmark dataset, FreshWiki-2024, demonstrate that RAPID significantly outperforms state-of-the-art methods across a wide range of evaluation metrics (long-text generation, outline quality, latency, etc). Our work provides a robust and efficient solution to the challenges of automated long-text generation.
Adaptive Schema-aware Event Extraction with Retrieval-Augmented Generation
Sheng Liang | Hang Lv | Zhihao Wen | Yaxiong Wu | Yongyue Zhang | Hao Wang | Yong Liu
Findings of the Association for Computational Linguistics: EMNLP 2025
Sheng Liang | Hang Lv | Zhihao Wen | Yaxiong Wu | Yongyue Zhang | Hao Wang | Yong Liu
Findings of the Association for Computational Linguistics: EMNLP 2025
Event extraction (EE) is a fundamental task in natural language processing (NLP) that involves identifying and extracting event information from unstructured text. Effective EE in real-world scenarios requires two key steps: selecting appropriate schemas from hundreds of candidates and executing the extraction process.Existing research exhibits two critical gaps: (1) the rigid schema fixation in existing pipeline systems, and (2) the absence of benchmarks for evaluating joint schema matching and extraction.Although large language models (LLMs) offer potential solutions, their schema hallucination tendencies and context window limitations pose challenges for practical deployment. In response, we propose Adaptive Schema-aware Event Extraction (ASEE), a novel paradigm combining schema paraphrasing with schema retrieval-augmented generation. ASEE adeptly retrieves paraphrased schemas and accurately generates targeted structures.To facilitate rigorous evaluation, we construct the Multi-Dimensional Schema-aware Event Extraction (MD-SEE) benchmark, which systematically consolidates 12 datasets across diverse domains, complexity levels, and language settings.Extensive evaluations on MD-SEE show that our proposed ASEE demonstrates strong adaptability across various scenarios, significantly improving the accuracy of event extraction. Our codes and datasets are available at https://github.com/USTC-StarTeam/ASEE.git
SelfAug: Mitigating Catastrophic Forgetting in Retrieval-Augmented Generation via Distribution Self-Alignment
Yuqing Huang | Rongyang Zhang | Qimeng Wang | Chengqiang Lu | Yan Gao | Yiwu | Yao Hu | Xuyang Zhi | Guiquan Liu | Xin Li | Hao Wang | Enhong Chen
Findings of the Association for Computational Linguistics: EMNLP 2025
Yuqing Huang | Rongyang Zhang | Qimeng Wang | Chengqiang Lu | Yan Gao | Yiwu | Yao Hu | Xuyang Zhi | Guiquan Liu | Xin Li | Hao Wang | Enhong Chen
Findings of the Association for Computational Linguistics: EMNLP 2025
Recent advancements in large language models (LLMs) have revolutionized natural language processing through their remarkable capabilities in understanding and executing diverse tasks. While supervised fine-tuning, particularly in Retrieval-Augmented Generation (RAG) scenarios, effectively enhances task-specific performance, it often leads to catastrophic forgetting, where models lose their previously acquired knowledge and general capabilities. Existing solutions either require access to general instruction data or face limitations in preserving the model’s original distribution. To overcome these limitations, we propose SelfAug, a self-distribution alignment method that aligns input sequence logits to preserve the model’s semantic distribution, thereby mitigating catastrophic forgetting and improving downstream performance. Extensive experiments demonstrate that SelfAug achieves a superior balance between downstream learning and general capability retention. Our comprehensive empirical analysis reveals a direct correlation between distribution shifts and the severity of catastrophic forgetting in RAG scenarios, highlighting how the absence of RAG capabilities in general instruction tuning leads to significant distribution shifts during fine-tuning. Our findings not only advance the understanding of catastrophic forgetting in RAG contexts but also provide a practical solution applicable across diverse fine-tuning scenarios.