no code implementations • CCL 2022 • Xiong Xiong, Liu Yunfei, Liu Anqi, Gong Shuai, Li Shengyang
“Named entity recognition and relation extraction are core sub-tasks of relational triple extraction.
Ranked #1 on Relation Extraction on ACE 2005 (Sentence Encoder metric)
Joint Entity and Relation Extraction named-entity-recognition +4
no code implementations • 29 Oct 2023 • Xiong Xiong, Ying Wang, Tianyuan Song, Jinguo Huang, Guixia Kang
The classification accuracy of the proposed method has reached 74. 61% and 81. 19% on datasets 2a and 2b, respectively.
no code implementations • 29 Oct 2023 • Xiong Xiong, Li Su, Jinguo Huang, Guixia Kang
Objective: Motor Imagery (MI) serves as a crucial experimental paradigm within the realm of Brain Computer Interfaces (BCIs), aiming to decoding motor intentions from electroencephalogram (EEG) signals.
no code implementations • 29 Oct 2023 • Xiong Xiong, Fan Yang, Li Su
Livestreaming commerce, a hybrid of e-commerce and self-media, has expanded the broad spectrum of traditional sales performance determinants.
no code implementations • CVPR 2023 • Chen-Wei Xie, Siyang Sun, Xiong Xiong, Yun Zheng, Deli Zhao, Jingren Zhou
This process can be considered as an open-book exam: with the reference set as a cheat sheet, the proposed method doesn't need to memorize all visual concepts in the training data.
no code implementations • 10 Jan 2022 • Mei-Ling Cai, Zhang-HangJian Chen, Sai-Ping Li, Xiong Xiong, Wei zhang, Ming-Yuan Yang, Fei Ren
Empirical study of the evolutionary behaviors of volatility after endogenous and exogenous events further demonstrates the descriptive power of our new model.
no code implementations • 4 Nov 2020 • Jiakou Liu, Xiong Xiong, Pei-Wei Ren, Da Zhao, Chun-Na Li, Yuan-Hai Shao
To improve the robustness of LDA, in this paper, we introduce capped l_{2, 1}-norm of a matrix, which employs non-squared l_2-norm and "capped" operation, and further propose a novel capped l_{2, 1}-norm linear discriminant analysis, called CLDA.
no code implementations • 2 Oct 2020 • Peng-Fei Dai, Xiong Xiong, Zhifeng Liu, Toan Luu Duc Huynh, Jianjun Sun
This paper investigates the impact of economic policy uncertainty (EPU) on the crash risk of US stock market during the COVID-19 pandemic.
no code implementations • 25 Jul 2020 • Peng-Fei Dai, Xiong Xiong, Wei-Xing Zhou
Uncertainty plays an important role in the global economy.
no code implementations • 25 Jul 2020 • Peng-Fei Dai, Xiong Xiong, Wei-Xing Zhou
For single-factor models, the GEPU index and its changes, as well as realized volatility, are consistent effective factors in predicting the volatility of crude oil futures.
no code implementations • 21 Jul 2020 • Peng-Fei Dai, Xiong Xiong, Toan Luu Duc Huynh, Jiqiang Wang
The European Union Emission Trading Scheme is a carbon emission allowance trading system designed by Europe to achieve emission reduction targets.
no code implementations • 19 Jun 2019 • Lei Lei, Huijuan Xu, Xiong Xiong, Kan Zheng, Wei Xiang, Xianbin Wang
By leveraging the concept of mobile edge computing (MEC), massive amount of data generated by a large number of Internet of Things (IoT) devices could be offloaded to MEC server at the edge of wireless network for further computational intensive processing.