Research

Journal Papers

  1. S. Xu. VIMAR: Vision-Language Informed Malware Analysis and Reasoning Model Cybersecurity, 2026 journal

    We propose VIMAR, a unified vision-language model that supports malware family classification, similarity detection, and open-world analysis via explanation-rich supervision and...

  2. S. Xu. DEEP-CWS Information Sciences, 2025 journal

    Distilling Efficient pre-trained models with Early exit and Pruning for scalable Chinese Word Segmentation. Achieves over 100x speedup in inference latency while maintaining F1 ...

Conference Papers

  1. S. Xu, et al. BED: Chinese Word Segmentation Model Based on Boundary-Enhanced Decoder CACML 2024, 2024 conference

    A novel Boundary-Enhanced Decoder (BED) for Chinese Word Segmentation that improves Average-F1 by 0.05% and OOV Average-F1 by 0.69%, particularly effective for out-of-vocabulary...

  2. S. Xu, et al. Automatic Task Requirements Evaluation AIED 2021, 2021 conference

    Automatic evaluation of task requirements writing via machine reading comprehension, published at AIED 2021.

  3. S. Xu, et al. Dialogic Instruction Detection AIED 2020, 2020 conference

    Automatic dialogic instruction detection for K-12 online one-on-one classes, published at AIED 2020.

  4. S. Xu, et al. Malicious Application Detection IEEE iThings-GreenCom-CPSCom-SmartData 2016, 2016 conference

    Malicious application dynamic detection in real-time API analysis, published at IEEE iThings-GreenCom-CPSCom-SmartData 2016.

Research Interests

NLP

Chinese word segmentation, grammar correction, writing evaluation, and question answering systems.

Deep Learning

Vision-language models, model distillation, efficient inference, and multimodal reasoning.

Information Security

Malware family classification, dynamic analysis, and real-time detection systems.

Data Mining

Customer classification, clustering, and large-scale behavior analysis.