no code implementations • 4 Apr 2023 • Nankai Lin, Haonan Liu, Jiajun Fang, Dong Zhou, Aimin Yang
Subsequently, our framework aligns the corresponding sentences in two legal cases to provide evidence of similarity.
no code implementations • 28 Mar 2023 • Nankai Lin, Junheng He, Zhenghang Tang, Dong Zhou, Aimin Yang
The multilingual text representation module uses a multilingual pre-trained language model to represent the text, the language fusion module makes the semantic spaces of different languages tend to be consistent through contrastive learning, and the text debiasing module uses contrastive learning to make the model unable to identify sensitive attributes' information.
1 code implementation • IEEE Transactions on Artificial Intelligence 2023 • Wenyu Zhao, Dong Zhou, Buqing Cao, Kai Zhang, Jinjun Chen
Our method utilizes a SciBERT as a text encoder and a graph transformer network as a molecule encoder to generate multimodal representations.
Ranked #1 on
Cross-Modal Retrieval
on ChEBI-20
no code implementations • 1 Dec 2022 • Nankai Lin, Guanqiu Qin, Jigang Wang, Aimin Yang, Dong Zhou
We explore the effectiveness of contrastive learning for multi-label text classification tasks by the employment of these novel losses and provide a set of baseline models for deploying contrastive learning techniques on specific tasks.
no code implementations • 5 May 2022 • Dong Zhou, Jie Cao, Huan Cui, Li-Xing Lin, Haoyu Zhang, Yingqiang Zhang, Qun Hao
For the same number of measurements, the method using temporally variable-resolution illumination patterns has better imaging quality than CGI, but it is less robust to noise.
1 code implementation • 18 Dec 2021 • Dong Zhou, Guanghui Sun, Wenxiao Lei
Active visual tracking of space non-cooperative object is significant for future intelligent spacecraft to realise space debris removal, asteroid exploration, autonomous rendezvous and docking.
no code implementations • 21 Nov 2021 • Dong Zhou, Gunaghui Sun, Xiaopeng Hong
3D visual tracking is significant to deep space exploration programs, which can guarantee spacecraft to flexibly approach the target.
no code implementations • 2 Aug 2021 • Dong Zhou, Jie Cao, Huan Cui, Qun Hao, Bing-Kun Chen, Kai Lin
The complementary nature of Fourier patterns based on a four-step phase-shift algorithm is combined with the complementary nature of a digital micromirror device.
no code implementations • 2 Aug 2021 • Jie Cao, Dong Zhou, Ying-Qiang Zhang, Huan Cui, Fang-Hua Zhang, Qun Hao
This proposed method is verified by simulations and experiments compared with conventional GI, retina-like GI and GI using patterns optimized by principal component analysis.
no code implementations • 12 Jul 2021 • Hengxu Lin, Dong Zhou, Weiqing Liu, Jiang Bian
Modeling and managing portfolio risk is perhaps the most important step to achieve growing and preserving investment performance.
2 code implementations • 24 Jun 2021 • Hengxu Lin, Dong Zhou, Weiqing Liu, Jiang Bian
In this paper, we propose a novel architecture, Temporal Routing Adaptor (TRA), to empower existing stock prediction models with the ability to model multiple stock trading patterns.
no code implementations • 28 Jan 2021 • Yuchen Fang, Kan Ren, Weiqing Liu, Dong Zhou, Weinan Zhang, Jiang Bian, Yong Yu, Tie-Yan Liu
As a fundamental problem in algorithmic trading, order execution aims at fulfilling a specific trading order, either liquidation or acquirement, for a given instrument.
no code implementations • 1 Jan 2021 • Xiaolei Hua, Su Wang, Lin Zhu, Dong Zhou, Junlan Feng, Yiting Wang, Chao Deng, Shuo Wang, Mingtao Mei
However, due to complex correlations and various temporal patterns of large-scale multivariate time series, a general unsupervised anomaly detection model with higher F1-score and Timeliness remains a challenging task.
no code implementations • COLING 2020 • Wenyu Zhao, Dong Zhou, Lin Li, Jinjun Chen
Our second method refines word representations by aligning original and re-fined embedding spaces based on local tangent space instead of performing weighted locally linear combination twice.
2 code implementations • 22 Sep 2020 • Xiao Yang, Weiqing Liu, Dong Zhou, Jiang Bian, Tie-Yan Liu
Quantitative investment aims to maximize the return and minimize the risk in a sequential trading period over a set of financial instruments.
1 code implementation • 10 May 2018 • Chenxing Li, Peilun Li, Dong Zhou, Wei Xu, Fan Long
The Conflux consensus protocol represents relationships between blocks as a direct acyclic graph and achieves consensus on a total order of the blocks.
Distributed, Parallel, and Cluster Computing
no code implementations • 8 May 2018 • Dong Zhou, Huimin Ma, Yuhan Dong
To overcome this challenge, we propose a novel method that combines both the cognition-driven model and the data-driven model.