Preprints

Unsupervised Representation Learning for Time Series: A Review

Qianwen Meng, Hangwei Qian, Yong Liu, Yonghui Xu, Zhiqi Shen, Lizhen Cui

preprint ULTS library code

From Psychological Curiosity to Artificial Curiosity: Curiosity-Driven Learning in Artificial Intelligence Tasks

Chenyu Sun, Hangwei Qian, Chunyan Miao

preprint

Publications

1. Augmentation Blending with Clustering-Aware Outlier Factor: An Outlier-Driven Perspective for Enhanced Contrastive Learning

   code

   Qianwen Meng, Hangwei Qian, Yonghui Xu and Lizhen Cui

   In Knowledge-Based Systems 2024.

2. Cross-Context Backdoor Attacks against Graph Prompt Learning

   Xiaoting Lyu, Yufei Han, Wei Wang, Hangwei Qian, Ivor Tsang, Xiangliang Zhang

   In KDD 2024.

3. SP-Aug: Towards Efficient Semantic-Preserving Augmentations in Contrastive Learning via Hierarchical Outlier Factor

   Qianwen Meng, Hangwei Qian, Yonghui Xu and Lizhen Cui

   In DASFAA 2024.

4. A Curiosity-Driven Unsupervised Data Collection Method with Adaptive Temporal Distances for Offline Reinforcement Learning

   Chenyu Sun, Hangwei Qian and Chunyan Miao

   In AAAI 2024.

5. Flexible and Robust Counterfactual Explanations with Minimal Satisfiable Perturbations

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   Yongjie Wang, Hangwei Qian, Yongjie Liu, Wei Guo, Chunyan Miao

   In CIKM 2023.

6. MHCCL: Masked Hierarchical Cluster-wise Contrastive Learning for Multivariate Time Series

   bib pdf code

   Qianwen Meng, Hangwei Qian, Yong Liu, Yonghui Xu, Zhiqi Shen, Lizhen Cui

   In AAAI 2023.

7. What Makes Good Contrastive Learning on Small-Scale Wearable-based Tasks?

   bib pdf CL-HAR code

   Hangwei Qian, Tian Tian, Chunyan Miao

   In KDD 2022.

8. CCLF: A Contrastive-Curiosity-Driven Learning Framework for Sample-Efficient Reinforcement Learning

   bib pdf code

   Chenyu Sun, Hangwei Qian, Chunyan Miao

   In IJCAI 2022.

9. DualCF: Efficient Model Extraction Attack from Counterfactual Explanations

   bib pdf

   Yongjie Wang, Hangwei Qian, Chunyan Miao

   In ACM FAccT 2022.

10. Missing Value Imputation for Diabetes Prediction

    Fei Luo, Hangwei Qian, Di Wang, Xu Guo, Yan Sun, Eng Sing Lee, Hui Hwang Teong, Ray Tian Rui Lai and Chunyan Miao

    In IEEE WCCI 2022.

11. Latent Independent Excitation for Generalizable Sensor-based Cross-Person Activity Recognition

    bib pdf link slides code

    Hangwei Qian, Sinno Jialin Pan, Chunyan Miao

    In AAAI 2021.

12. Weakly-Supervised Sensor-based Activity Segmentation and Recognition via Learning from Distributions

    bib pdf link code

    Hangwei Qian, Sinno Jialin Pan, Chunyan Miao

    In Artificial Intelligence (AIJ), Volume 292, March 2021, 103429.

13. A Novel Distribution-Embedded Neural Network for Sensor-Based Activity Recognition

    bib pdf slides code

    Hangwei Qian, Sinno Jialin Pan, Bingshui Da, Chunyan Miao

    In Proceedings of the IJCAI 2019 (oral presentation). Macao, China. Aug.10-16, 2019 (17.9% of acceptance, 850/4752).

14. Distribution-based Semi-Supervised Learning for Activity Recognition

    bib pdf slides code

    Hangwei Qian, Sinno Jialin Pan, Chunyan Miao

    In Proceedings of the AAAI 2019 (oral presentation). Honolulu, Hawaii, USA. Jan.27-Feb.1, 2019 (16.2% of acceptance, 1150/7095).

15. Sensor-based Activity Recognition via Learning from Distributions

    bib pdf slides code

    Hangwei Qian, Sinno Jialin Pan, Chunyan Miao

    In Proceedings of the 32nd AAAI Conference on Artificial Intelligence (oral presentation). New Orleans, Louisiana, USA. Feb.2-7, 2018 (24.6% of acceptance, 933/3800).

Doctoral Thesis

Sensor-based activity recognition via learning from distributions

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