Publications

2021

Faithfully Explainable Recommendation via Neural Logic Reasoning
Yaxin Zhu*, Yikun Xian*, Zuohui Fu*, Gerard de Melo and Yongfeng Zhang.
Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics (NAACL 2021). [paper]

HOOPS: Human-in-the-Loop Graph Reasoning for Conversational Recommendation
Zuohui Fu*, Yikun Xian*, Yaxin Zhu, Shuyuan Xu, Zelong Li, Gerard de Melo and Yongfeng Zhang.
Proceedings of the 44th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2021). [paper]

Towards Long-term Fairness in Recommendation
Yingqiang Ge, Shuchang Liu, Ruoyuan Gao, Yikun Xian, Yunqi Li, Xiangyu Zhao, Changhua Pei, Fei Sun, Junfeng Ge, Wenwu Ou, and Yongfeng Zhang.
Proceedings of the 14th ACM International Conference on Web Search and Data Mining (WSDM 2021). [paper]

Dynamic MRI Reconstruction with End-to-end Motion-Guided Network
Qiaoying Huang, Yikun Xian, Dong Yang, Hui Qu, Jingru Yi, Pengxiang Wu, Dimitris N Metaxas.
Medical Image Analysis. (MEDIA 2021) [paper]

2020

CAFE: Coarse-to-Fine Knowledge Graph Reasoning for Explainable Recommendation
Yikun Xian, Zuohui Fu, Handong Zhao, Yingqiang Ge, Xu Chen, Qiaoying Huang, Shijie Geng, Zhou Qin, Gerard de Melo, S. Muthukrishnan and Yongfeng Zhang.
Proceedings of the 29th ACM International Conference on Information and Knowledge Management (CIKM 2020). [paper]

Fairness-Aware Explainable Recommendation over Knowledge Graphs
Zuohui Fu*, Yikun Xian*, Ruoyuan Gao, Jieyu Zhao, Qiaoying Huang, Yingqiang Ge, Shuyuan Xu, Shijie Geng, Chirag Shah, Yongfeng Zhang, Gerard de Melo.
Proceedings of the 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2020). [paper]

ABSent: Cross-Lingual Sentence Representation Mapping with Bidirectional GANs
Zuohui Fu, Yikun Xian, Shijie Geng, Yingqiang Ge, Yuting Wang, Xin Dong, Guang Wang, Gerard de Melo.
Proceedings of the 34th AAAI Conference on Artificial Intelligence (AAAI 2020). [paper]

MIMU: Mobile WiFi Usage Inference by Mining Diverse User Behaviors
Zhou Qin, Yikun Xian, Fan Zhang, Desheng Zhang.
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (UbiComp 2020) [paper]

Time-Sync Comments Denoising via Graph Convolutional and Contextual Encoding
Zhenyu Liao, Yikun Xian, Jiangfeng Li, Chenxi Zhang, Shengjie Zhao.
Pattern Recognition Letters 2020. [paper]

Neural-Symbolic Reasoning over Knowledge Graph for Multi-Stage Explainable Recommendation
Yikun Xian, Zuohui Fu, Qiaoying Huang, S Muthukrishnan, Yongfeng Zhang.
AAAI 2020 DLGMA Workshop. [paper]

Enhanced MRI Reconstruction Network using Neural Architecture Search
Qiaoying Huang, Dong Yang, Yikun Xian, Pengxiang Wu, Jingru Yi, Hui Qu, Dimitris Metaxas.
MICCAI 2020 MLMI Workshop. [paper]

COOKIE: A Dataset for Conversational Recommendation over Knowledge Graphs in E-commerce
Zuohui Fu, Yikun Xian, Yaxin Zhu, Yongfeng Zhang, Gerard de Melo.
arXiv preprints, August 2020. [paper]

2019

Reinforcement knowledge graph reasoning for explainable recommendation
Yikun Xian*, Zuohui Fu*, S Muthukrishnan, Gerard De Melo, Yongfeng Zhang.
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2019). [paper]

Waterfall Bandits: Learning to Sell Ads Online
Branislav Kveton, Saied Mahdian, S Muthukrishnan, Zheng Wen, Yikun Xian.
arXiv preprints, April 2019 [paper]

A neural networks based caching scheme for mobile edge networks
Zhou Qin, Yikun Xian, Desheng Zhang.
Proceedings of the 17th Conference on Embedded Networked Sensor Systems (SenSys 2019). [paper]

2018

Finding subcube heavy hitters in analytics data streams
Branislav Kveton, S Muthukrishnan, Hoa T Vu, Yikun Xian.
Proceedings of the 2018 World Wide Web Conference (WWW 2018). [paper]

TSCSet: A crowdsourced time-sync comment dataset for exploration of user experience improvement
Zhenyu Liao*, Yikun Xian*, Xiao Yang, Qinpei Zhao, Chenxi Zhang, Jiangfeng Li.
Proceedings of the 23rd International Conference on Intelligent User Interfaces (IUI 2018). [paper]

2015

Video highlight shot extraction with time-sync comment
Yikun Xian, Jiangfeng Li, Chenxi Zhang, Zhenyu Liao.
MobiHoc 2015 HOTPOST Workshop. [paper]

(* denotes equal contribution)