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Hang Ding

5 accepted papers

2026

Bridging LLMs and SAT Solving: Automated Evolution of High-Performance Heuristics

IJCAI 2026

Despite decades of intensive research and optimization, modern Boolean Satisfiability (SAT) solvers have reached a plateau where significant performance gains are increasingly difficult to achieve. While Large Language Models (LLMs) have demonstrated remarkable capabilities in pattern recognition an

Cited by 0Scholar
2026

GRO-RAG: Gradient-aware Re-rank Optimization for Multi-source Retrieval-Augmented Generation

ICLR 2026poster

Retrieval-Augmented Generation (RAG) systems often rely on information retrieved from heterogeneous sources to support generation tasks. However, existing approaches typically either aggregate all sources uniformly or statically select a single source, neglecting semantic complementarity. Moreover,…

Cited by 0SourceScholar
2026

SimDiff: Simpler Yet Better Diffusion Model for Time Series Point Forecasting

AAAI 2026technical

Diffusion models have recently shown promise in time series forecasting, particularly for probabilistic predictions. However, they often fail to achieve state-of-the-art point estimation performance compared to regression-based methods. This limitation stems from difficulties in providing sufficient

Cited by 0SourcePDFScholar
2026

TGPO: Efficient Policy Optimization through Sequence Anchor and Information Gating

ICML 2026poster

Reinforcement learning from verifiable rewards (RLVR) has become an important paradigm for enhancing the reasoning capabilities of large language models, while it also involves a persistent tradeoff between optimization stability and learning efficiency. Token-level importance weighting supports fin…

Cited by 0SourceScholar
2025

Aligning by Misaligning: Boundary-aware Curriculum Learning for Multimodal Alignment

NeurIPS 2025poster

Most multimodal models treat every negative pair alike, ignoring the ambiguous negatives that differ from the positive by only a small detail. We propose Boundary-A ware Curriculum with Local Attention(BACL), a lightweight add-on that turns these borderline cases into a curriculum signal. A Bounda…

Cited by 0SourceScholar