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Developing link prediction models to automatically complete knowledge graphs has recently been the focus of significant research interest. The current methods for the link prediction taskhavetwonaturalproblems:1)the relation distributions…

人工智能 · 计算机科学 2021-04-20 Yao Zhang , Xu Zhang , Jun Wang , Hongru Liang , Wenqiang Lei , Zhe Sun , Adam Jatowt , Zhenglu Yang

Numerous Deep Learning (DL)-based approaches have gained attention in software Log Anomaly Detection (LAD), yet class imbalance in training data remains a challenge, with anomalies often comprising less than 1% of datasets like Thunderbird.…

软件工程 · 计算机科学 2024-10-31 Xiaoxue Ma , Huiqi Zou , Pinjia He , Jacky Keung , Yishu Li , Xiao Yu , Federica Sarro

Joins in native graph database management systems (GDBMSs) are predefined to the system as edges, which are indexed in adjacency list indices and serve as pointers. This contrasts with and can be more performant than value-based joins in…

数据库 · 计算机科学 2021-08-25 Guodong Jin , Semih Salihoglu

Class imbalance in deep neural networks (DNNs) has witnessed a rapid increase in research attention in recent years. However, the varying accounts of the reasons behind the poor performance of DNN on imbalance data in pertinent literature…

机器学习 · 计算机科学 2026-05-26 Ismail B. Mustapha , Shafaatunnur Hasan , Sunday O. Olatunji , Hatem S. Y. Nabus

On account of its many successes in inference tasks and denoising applications, Dictionary Learning (DL) and its related sparse optimization problems have garnered a lot of research interest. While most solutions have focused on single…

机器学习 · 计算机科学 2020-10-22 Wen Tang , Emilie Chouzenoux , Jean-Christophe Pesquet , Hamid Krim

Imbalanced datasets widely exist in practice and area great challenge for training deep neural models with agood generalization on infrequent classes. In this work, wepropose a new rare-class sample generator (RSG) to solvethis problem. RSG…

计算机视觉与模式识别 · 计算机科学 2021-06-21 Jianfeng Wang , Thomas Lukasiewicz , Xiaolin Hu , Jianfei Cai , Zhenghua Xu

Nowadays, neural networks play an important role in the task of relation classification. By designing different neural architectures, researchers have improved the performance to a large extent in comparison with traditional methods.…

计算与语言 · 计算机科学 2016-10-14 Yan Xu , Ran Jia , Lili Mou , Ge Li , Yunchuan Chen , Yangyang Lu , Zhi Jin

This paper proposes a novel pixel-level distribution regularization scheme (DRSL) for self-supervised domain adaptation of semantic segmentation. In a typical setting, the classification loss forces the semantic segmentation model to…

计算机视觉与模式识别 · 计算机科学 2022-06-22 Javed Iqbal , Hamza Rawal , Rehan Hafiz , Yu-Tseh Chi , Mohsen Ali

The Synthetic Minority Oversampling TEchnique (SMOTE) is widely-used for the analysis of imbalanced datasets. It is known that SMOTE frequently over-generalizes the minority class, leading to misclassifications for the majority class, and…

机器学习 · 计算机科学 2020-08-18 Saptarshi Bej , Narek Davtyan , Markus Wolfien , Mariam Nassar , Olaf Wolkenhauer

Beam selection for millimeter-wave links in a vehicular scenario is a challenging problem, as an exhaustive search among all candidate beam pairs cannot be assuredly completed within short contact times. We solve this problem via a novel…

This paper describes an end-to-end solution for the relationship prediction task in heterogeneous, multi-relational graphs. We particularly address two building blocks in the pipeline, namely heterogeneous graph representation learning and…

机器学习 · 计算机科学 2021-02-16 Xiao Qin , Nasrullah Sheikh , Berthold Reinwald , Lingfei Wu

To improve the robustness of graph neural networks (GNN), graph structure learning (GSL) has attracted great interest due to the pervasiveness of noise in graph data. Many approaches have been proposed for GSL to jointly learn a clean graph…

机器学习 · 计算机科学 2023-07-06 Shaogao Lv , Gang Wen , Shiyu Liu , Linsen Wei , Ming Li

Deep neural network models have demonstrated their effectiveness in classifying multi-label data from various domains. Typically, they employ a training mode that combines mini-batches with optimizers, where each sample is randomly selected…

机器学习 · 计算机科学 2024-03-28 Ao Zhou , Bin Liu , Jin Wang , Grigorios Tsoumakas

Neural networks trained on real-world datasets with long-tailed label distributions are biased towards frequent classes and perform poorly on infrequent classes. The imbalance in the ratio of positive and negative samples for each class…

计算机视觉与模式识别 · 计算机科学 2021-05-25 Kevin Duarte , Yogesh S. Rawat , Mubarak Shah

Despite their impressive performance, Deep Neural Networks (DNNs) typically underperform Gradient Boosting Trees (GBTs) on many tabular-dataset learning tasks. We propose that applying a different regularization coefficient to each weight…

机器学习 · 统计学 2018-10-25 Ira Shavitt , Eran Segal

The data imbalance problem is a frequent bottleneck in the classification performance of neural networks. In this paper, we propose a novel supervised discriminative feature generation (DFG) method for a minority class dataset. DFG is based…

计算机视觉与模式识别 · 计算机科学 2020-10-27 Sungho Suh , Paul Lukowicz , Yong Oh Lee

In this paper, we address the problem of learning low dimension representation of entities on relational databases consisting of multiple tables. Embeddings help to capture semantics encoded in the database and can be used in a variety of…

计算与语言 · 计算机科学 2021-05-03 Siddhant Arora , Vinayak Gupta , Garima Gaur , Srikanta Bedathur

To address the modality imbalance caused by data heterogeneity, existing multi-modal learning (MML) approaches primarily focus on balancing this difference from the perspective of optimization objectives. However, almost all existing…

机器学习 · 计算机科学 2025-01-06 Zhi-Hao Guan

Multi-object tracking and segmentation (MOTS) is a critical task for autonomous driving applications. The existing MOTS studies face two critical challenges: 1) the published datasets inadequately capture the real-world complexity for…

计算机视觉与模式识别 · 计算机科学 2021-10-18 Yiming Cui , Zhiwen Cao , Yixin Xie , Xingyu Jiang , Feng Tao , Yingjie Chen , Lin Li , Dongfang Liu

Relational databases are extensively utilized in a variety of modern information system applications, and they always carry valuable data patterns. There are a huge number of data mining or machine learning tasks conducted on relational…

机器学习 · 计算机科学 2023-12-05 Han Zhang , Quan Gan , David Wipf , Weinan Zhang
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