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Data augmentation is one of the most successful techniques to improve the classification accuracy of machine learning models in computer vision. However, applying data augmentation to tabular data is a challenging problem since it is hard…

机器学习 · 计算机科学 2022-07-26 Azhar Mohammed , Dang Nguyen , Bao Duong , Thin Nguyen

Convolutional neural networks (CNNs) have shown exceptional performance for a range of medical imaging tasks. However, conventional CNNs are not able to explain their reasoning process, therefore limiting their adoption in clinical…

计算机视觉与模式识别 · 计算机科学 2022-08-02 Linde S. Hesse , Ana I. L. Namburete

Detecting anomalies in tabular data is critical for many real-world applications, such as credit card fraud detection. With the rapid advancements in large language models (LLMs), state-of-the-art performance in tabular anomaly detection…

机器学习 · 计算机科学 2026-02-10 Ruiqi Wang , Ruikang Liu , Runyu Chen , Haoxiang Suo , Zhiyi Peng , Zhuo Tang , Changjian Chen

Binarization is an attractive strategy for implementing lightweight Deep Convolutional Neural Networks (CNNs). Despite the unquestionable savings offered, memory footprint above all, it may induce an excessive accuracy loss that prevents a…

机器学习 · 计算机科学 2019-12-30 Luca Mocerino , Andrea Calimera

Relational data augmentation is a powerful technique for enhancing data analytics and improving machine learning models by incorporating columns from external datasets. However, it is challenging to efficiently discover relevant external…

数据库 · 计算机科学 2025-03-06 Aécio Santos , Flip Korn , Juliana Freire

Distant supervised relation extraction has been successfully applied to large corpus with thousands of relations. However, the inevitable wrong labeling problem by distant supervision will hurt the performance of relation extraction. In…

计算与语言 · 计算机科学 2018-11-15 Shanchan Wu , Kai Fan , Qiong Zhang

Graph Neural Networks (GNNs) are prominent in handling sparse and unstructured data efficiently and effectively. Specifically, GNNs were shown to be highly effective for node classification tasks, where labelled information is available for…

机器学习 · 计算机科学 2022-12-01 Moshe Eliasof , Eldad Haber , Eran Treister

Artificial Neural Networks are uniquely adroit at machine learning by processing data through a network of artificial neurons. The inter-neuronal connection weights represent the learnt Neural Program that instructs the network on how to…

机器学习 · 计算机科学 2020-09-25 Hung Le , Svetha Venkatesh

Feature crossing captures interactions among categorical features and is useful to enhance learning from tabular data in real-world businesses. In this paper, we present AutoCross, an automatic feature crossing tool provided by 4Paradigm to…

机器学习 · 计算机科学 2019-07-16 Yuanfei Luo , Mengshuo Wang , Hao Zhou , Quanming Yao , WeiWei Tu , Yuqiang Chen , Qiang Yang , Wenyuan Dai

The usefulness of tabular data such as web tables critically depends on understanding their semantics. This study focuses on column type prediction for tables without any meta data. Unlike traditional lexical matching-based methods, we…

数据库 · 计算机科学 2019-06-04 Jiaoyan Chen , Ernesto Jimenez-Ruiz , Ian Horrocks , Charles Sutton

In this abstract paper, we introduce a new kernel learning method by a nonparametric density estimator. The estimator consists of a group of k-centroids clusterings. Each clustering randomly selects data points with randomly selected…

机器学习 · 计算机科学 2017-08-02 Xiao-Lei Zhang

Query optimization is one of the most challenging problems in database systems. Despite the progress made over the past decades, query optimizers remain extremely complex components that require a great deal of hand-tuning for specific…

Universal schema predicts the types of entities and relations in a knowledge base (KB) by jointly embedding the union of all available schema types---not only types from multiple structured databases (such as Freebase or Wikipedia…

计算与语言 · 计算机科学 2017-01-11 Patrick Verga , Arvind Neelakantan , Andrew McCallum

Table structure recognition is necessary for a comprehensive understanding of documents. Tables in unstructured business documents are tough to parse due to the high diversity of layouts, varying alignments of contents, and the presence of…

计算机视觉与模式识别 · 计算机科学 2021-11-16 Sachin Raja , Ajoy Mondal , C V Jawahar

Relation extraction (RE) is an indispensable information extraction task in several disciplines. RE models typically assume that named entity recognition (NER) is already performed in a previous step by another independent model. Several…

计算与语言 · 计算机科学 2019-08-29 Tung Tran , Ramakanth Kavuluru

Cardiovascular disease is a large worldwide healthcare issue; symptoms often present suddenly with minimal warning. The electrocardiogram (ECG) is a fast, simple and reliable method of evaluating the health of the heart, by measuring…

信号处理 · 电气工程与系统科学 2022-01-15 Yola Jones , Fani Deligianni , Jeff Dalton

Cardinality estimation remains a fundamental challenge in query optimization, often resulting in sub-optimal execution plans and degraded performance. While errors in cardinality estimation are inevitable, existing methods for identifying…

数据库 · 计算机科学 2025-01-29 Asoke Datta , Yesdaulet Izenov , Brian Tsan , Abylay Amanbayev , Florin Rusu

Uncertainty estimation methods using deep learning approaches strive against separating how uncertain the state of the world manifests to us via measurement (objective end) from the way this gets scrambled with the model specification and…

机器学习 · 统计学 2023-04-21 Edgardo Solano-Carrillo

Storing tabular data to balance storage and query efficiency is a long-standing research question in the database community. In this work, we argue and show that a novel DeepMapping abstraction, which relies on the impressive memorization…

数据库 · 计算机科学 2024-09-27 Lixi Zhou , K. Selçuk Candan , Jia Zou

This paper presents TableQuery, a novel tool for querying tabular data using deep learning models pre-trained to answer questions on free text. Existing deep learning methods for question answering on tabular data have various limitations,…

计算与语言 · 计算机科学 2022-02-02 Abhijith Neil Abraham , Fariz Rahman , Damanpreet Kaur
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