Xi Zhang
6 papers in the PaperMetrix corpus
Papers by this author
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An improvement of video recommender similarity measurement model
2015 · Advances in intelligent systems research/Advances in Intelligent Systems Research
Collaborative recommender systems have succeeded in capturing the similarity between users and items based on ratings. However, they have rarely considered about the available information of the multimedia such as categories, delivery time and so …
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An Improved Strong Tracking Cubature Kalman Filter for GPS/INS Integrated Navigation Systems
2018 · Sensors
The cubature Kalman filter (CKF) is widely used in the application of GPS/INS integrated navigation systems. However, its performance may decline in accuracy and even diverge in the presence of process uncertainties. To solve the …
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Provable Robust Saliency-based Explanations
2022 · arXiv (Cornell University)
To foster trust in machine learning models, explanations must be faithful and stable for consistent insights. Existing relevant works rely on the $\ell_p$ distance for stability assessment, which diverges from human perception. Besides, existing adversarial …
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SynWorld: Virtual Scenario Synthesis for Agentic Action Knowledge Refinement
2025
Runnan Fang, Xiaobin Wang, Yuan Liang, Shuofei Qiao, Jialong Wu, Zekun Xi, Ningyu Zhang, Yong Jiang, Pengjun Xie, Fei Huang, Huajun Chen. Proceedings of the 63rd Annual Meeting of the Association for Computational Linguistics (Volume …
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Curriculum Hierarchical Knowledge Distillation for Bias-Free Survival Prediction
2025
Survival prediction is a pivotal task for estimating mortality risk within a given timeframe based on whole slide images (WSIs). Conventional models typically assume that WSIs across patients are independent and identically distributed, an assumption …
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JailBench: A Comprehensive Chinese Security Assessment Benchmark for Large Language Models
2025 · arXiv (Cornell University)
Large language models (LLMs) have demonstrated remarkable capabilities across various applications, highlighting the urgent need for comprehensive safety evaluations. In particular, the enhanced Chinese language proficiency of LLMs, combined with the unique characteristics and complexity …