1 code implementation • 21 Mar 2024 • Wei Chen, Yuxuan Liang, Yuanshao Zhu, Yanchuan Chang, Kang Luo, Haomin Wen, Lei LI, Yanwei Yu, Qingsong Wen, Chao Chen, Kai Zheng, Yunjun Gao, Xiaofang Zhou, Yu Zheng
In this paper, we present a comprehensive review of the development and recent advances in deep learning for trajectory computing (DL4Traj).
no code implementations • 21 Mar 2024 • YUREN MAO, XueMei Dong, Wenyi Xu, Yunjun Gao, Bin Wei, Ying Zhang
Simply concatenating all the retrieved documents brings large amounts of unnecessary tokens for LLMs, which degenerates the efficiency of black-box RAG.
no code implementations • 19 Jan 2024 • Chao Zhang, YUREN MAO, Yijiang Fan, Yu Mi, Yunjun Gao, Lu Chen, Dongfang Lou, Jinshu Lin
Text-to-SQL, which provides zero-code interface for operating relational databases, has gained much attention in financial analysis; because, financial professionals may not well-skilled in SQL programming.
1 code implementation • 4 Jan 2024 • Mengzhao Wang, Weizhi Xu, Xiaomeng Yi, Songlin Wu, Zhangyang Peng, Xiangyu Ke, Yunjun Gao, Xiaoliang Xu, Rentong Guo, Charles Xie
In this paper, we present Starling, an I/O-efficient disk-resident graph index framework that optimizes data layout and search strategy within the segment.
1 code implementation • 4 Jan 2024 • Tingyang Chen, Dazhuo Qiu, Yinghui Wu, Arijit Khan, Xiangyu Ke, Yunjun Gao
Existing approaches aim to understand the overall results of GNNs rather than providing explanations for specific class labels of interest, and may return explanation structures that are hard to access, nor directly queryable. We propose GVEX, a novel paradigm that generates Graph Views for EXplanation.
1 code implementation • 11 Dec 2023 • Mengzhao Wang, Xiangyu Ke, Xiaoliang Xu, Lu Chen, Yunjun Gao, Pinpin Huang, Runkai Zhu
We investigate the problem of multimodal search of target modality, where the task involves enhancing a query in a specific target modality by integrating information from auxiliary modalities.
1 code implementation • 2 Aug 2023 • Xiaocan Zeng, Pengfei Wang, YUREN MAO, Lu Chen, Xiaoze Liu, Yunjun Gao
Traditional unsupervised EM assumes that all entities come from two tables; however, it is more common to match entities from multiple tables in practical applications, that is, multi-table entity matching (multi-table EM).
1 code implementation • 14 Jul 2023 • XueMei Dong, Chao Zhang, Yuhang Ge, YUREN MAO, Yunjun Gao, Lu Chen, Jinshu Lin, Dongfang Lou
This paper proposes a ChatGPT-based zero-shot Text-to-SQL method, dubbed C3, which achieves 82. 3\% in terms of execution accuracy on the holdout test set of Spider and becomes the state-of-the-art zero-shot Text-to-SQL method on the Spider Challenge.
Ranked #4 on Text-To-SQL on spider
no code implementations • 5 Jul 2023 • Jiaqi Wang, Tianyi Li, Anni Wang, Xiaoze Liu, Lu Chen, Jie Chen, Jianye Liu, Junyang Wu, Feifei Li, Yunjun Gao
This has led to the increasing volume of database workloads, which provides the opportunity for pattern analysis.
1 code implementation • 28 Apr 2023 • Xinjun Zhu, Yuntao Du, YUREN MAO, Lu Chen, Yujia Hu, Yunjun Gao
Knowledge graph (KG), which contains rich side information, becomes an essential part to boost the recommendation performance and improve its explainability.
1 code implementation • 27 Apr 2023 • Yuntao Du, Jianxun Lian, Jing Yao, Xiting Wang, Mingqi Wu, Lu Chen, Yunjun Gao, Xing Xie
In recent decades, there have been significant advancements in latent embedding-based CF methods for improved accuracy, such as matrix factorization, neural collaborative filtering, and LightGCN.
1 code implementation • 14 Apr 2023 • Junyang Wu, Tianyi Li, Lu Chen, Yunjun Gao, Ziheng Wei
To enhance the usability of GNN-based EA models in real-world applications, we present SEA, a scalable entity alignment system that enables to (i) train large-scale GNNs for EA, (ii) speed up the normalization and the evaluation process, and (iii) report clear results for users to estimate different models and parameter settings.
no code implementations • 3 Apr 2023 • Minjun Zhao, Yichen Yin, YUREN MAO, Qing Liu, Lu Chen, Yunjun Gao
Recently, a few methods have been put forward to handle the SGA dilemma.
1 code implementation • 1 Feb 2023 • Xiaoze Liu, Junyang Wu, Tianyi Li, Lu Chen, Yunjun Gao
State-of-the-art time-aware EA studies have suggested that the temporal information of TKGs facilitates the performance of EA.
Ranked #1 on Entity Alignment on YAGO-WIKI50K
no code implementations • 11 Dec 2022 • Danlei Hu, Ziquan Fang, Hanxi Fang, Tianyi Li, Chunhui Shen, Lu Chen, Yunjun Gao
Transportation mode classification, the process of predicting the class labels of moving objects transportation modes, has been widely applied to a variety of real world applications, such as traffic management, urban computing, and behavior study.
2 code implementations • 20 May 2022 • Yunjun Gao, Xiaoze Liu, Junyang Wu, Tianyi Li, Pengfei Wang, Lu Chen
To tackle this challenge, we present ClusterEA, a general framework that is capable of scaling up EA models and enhancing their results by leveraging normalization methods on mini-batches with a high entity equivalent rate.
Ranked #2 on Entity Alignment on DBP1M DE-EN
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
1 code implementation • CVPR 2022 • Zhenguang Liu, Runyang Feng, Haoming Chen, Shuang Wu, Yixing Gao, Yunjun Gao, Xiang Wang
State-of-the-art methods strive to incorporate additional visual evidences from neighboring frames (supporting frames) to facilitate the pose estimation of the current frame (key frame).
1 code implementation • 8 Feb 2022 • Yuntao Du, Xinjun Zhu, Lu Chen, Ziquan Fang, Yunjun Gao
Inspired by the success of meta-learning on scarce training samples, we propose a novel meta-learning based framework called MetaKG, which encompasses a collaborative-aware meta learner and a knowledge-aware meta learner, to capture meta users' preference and entities' knowledge for cold-start recommendations.
1 code implementation • 17 Dec 2021 • Ziquan Fang, Yuntao Du, Xinjun Zhu, Lu Chen, Yunjun Gao, Christian S. Jensen
Trajectory similarity computation has drawn massive attention, as it is core functionality in a wide range of applications such as ride-sharing, traffic analysis, and social recommendation.
no code implementations • 8 Dec 2021 • Keyu Yang, Lu Chen, Zhihao Zeng, Yunjun Gao
Distributed ML models trained by SGD involve large amounts of gradient communication, which limits the scalability of distributed ML.
1 code implementation • 13 Oct 2021 • Minjun Zhao, Lu Chen, Keyu Yang, Yuntao Du, Yunjun Gao
It uses a Gaussian mixture-based metric called separation degree to rank materialized models.
1 code implementation • AAAI Conference on Artificial Intelligence 2021 • Xiaoye Miao, Yangyang Wu, Jun Wang, Yunjun Gao, Xudong Mao, and Jianwei Yin
In this paper, we propose a novel semi-supervised generative adversarial network model, named SSGAN, for missing value imputation in multivariate time series data.
Generative Adversarial Network Multivariate Time Series Imputation +2
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).