Author

Xiang Zhao

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Preprint Oct 2026

ChronoSynth: Constraint-Aware Question Synthesis over Temporal Knowledge Graphs

This paper proposes ChronoSynth, a memory-augmented and constraint-aware generation framework that retrieves compatible typed question patterns from an indexed pattern memory, adapts them to the input graph, and validates the generated question.

Feng Liang, Weixin Zeng, Run-Hao Zhao et al. · 0 citations

#artificial intelligence Preprint Oct 2026

Are Multimodal Benchmarks Really Useful? Item-Level Multimodal Benchmark Diagnosis via Structure-Response Co-Calibration

Multimodal benchmarks are central to evaluating whether models can reason over information from multiple modalities. However, existing literature has revealed that some benchmarks may contain shortcut items that can be answered from a single modality or from answer-option regularities alone, thus failing to reflect mod...

Shi-Qi Zhang, Weixin Zeng, Zi-Heng Zhang et al. · 0 citations