1 code implementation • 23 Nov 2022 • Yuqi Chen, Hanyuan Zhang, Weiwei Sun, Baihua Zheng
However, many real-life trajectories are collected with low sample rate due to energy concern or other constraints. We study the task of trajectory recovery in this paper as a means for increasing the sample rate of low sample trajectories.
no code implementations • 9 Jul 2022 • Liang Li, Baihua Zheng, Weiwei Sun
We introduce structural semantic metrics based on graph adjacency relations during the semantic reconstruction and correlation mining stage and meanwhile align the structure semantics in the hash space with an asymmetric binary optimization process.
1 code implementation • 26 Apr 2022 • Qize Jiang, Minhao Qin, Shengmin Shi, Weiwei Sun, Baihua Zheng
How to coordinate the communication among intersections effectively in real complex traffic scenarios with multi-intersection is challenging.
Multi-agent Reinforcement Learning reinforcement-learning +1
2 code implementations • 14 Apr 2022 • Yunjun Gao, Yuntao Du, Yujia Hu, Lu Chen, Xinjun Zhu, Ziquan Fang, Baihua Zheng
Besides, our method can automatically switch its learning phase at the memorization point from memorization to self-guided learning, and select clean and informative memorized data via a novel adaptive denoising scheduler to improve the robustness.
1 code implementation • 11 Apr 2022 • Yuntao Du, Xinjun Zhu, Lu Chen, Baihua Zheng, Yunjun Gao
Furthermore, we propose a dual item embeddings design to represent and propagate collaborative signals and knowledge associations separately, and leverage the gated aggregation to distill discriminative information for better capturing user behavior patterns.
Ranked #1 on Recommendation Systems on Alibaba-iFashion
no code implementations • 7 Sep 2020 • Xiancai Tian, Chen Zhang, Baihua Zheng
The metro system is playing an increasingly important role in the urban public transit network, transferring a massive human flow across space everyday in the city.
no code implementations • 9 Jul 2020 • Gunarto Sindoro Njoo, Baihua Zheng, Kuo-Wei Hsu, Wen-Chih Peng
Unlike the existing methods such as feature selection that removes features and instance selection that eliminates instances, value selection eliminates the values (with respect to each feature) in the dataset with two purposes: reducing the model size and preserving its accuracy.
no code implementations • 1 May 2020 • Xiancai Tian, Baihua Zheng, Yazhe Wang, Hsiao-Ting Huang, Chih-Chieh Hung
It strategically decouples these two inferencetasks by only taking those trip records with only one practical route as the input for the first inference taskof travel time and feeding the inferred travel time to the second inference task as an additional input whichnot only improves the accuracy but also effectively reduces the complexity of both inference tasks.
no code implementations • 26 Apr 2020 • Keyu Yang, Yunjun Gao, Lei Liang, Song Bian, Lu Chen, Baihua Zheng
We propose Crowd-based neural networks for Text Sentiment Classification (CrowdTSC for short).
no code implementations • 17 Feb 2020 • Hao Wu, Hanyuan Zhang, Xin-Yu Zhang, Weiwei Sun, Baihua Zheng, Yuning Jiang
We propose a deep convolutional neural network called DeepDualMapper which fuses the aerial image and trajectory data in a more seamless manner to extract the digital map.
no code implementations • 8 Oct 2018 • Yunheng Han, Weiwei Sun, Baihua Zheng
Consequently, it is ineffective to infer predictability through dictionary coding algorithms.
no code implementations • 6 Feb 2018 • Hanyuan Zhang, Hao Wu, Weiwei Sun, Baihua Zheng
Estimating the travel time of a path is of great importance to smart urban mobility.