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The key to the text classification task is language representation and important information extraction, and there are many related studies. In recent years, the research on graph neural network (GNN) in text classification has gradually…

计算与语言 · 计算机科学 2022-09-16 Shuai Hua , Xinxin Li , Yunpeng Jing , Qunfeng Liu

Domain adaptation tasks such as cross-domain sentiment classification aim to utilize existing labeled data in the source domain and unlabeled or few labeled data in the target domain to improve the performance in the target domain via…

计算与语言 · 计算机科学 2022-01-03 Dongbo Xi , Fuzhen Zhuang , Ganbin Zhou , Xiaohu Cheng , Fen Lin , Qing He

The goal of this work is to bring semantics into the tasks of text recognition and retrieval in natural images. Although text recognition and retrieval have received a lot of attention in recent years, previous works have focused on…

计算机视觉与模式识别 · 计算机科学 2015-09-22 Albert Gordo , Jon Almazan , Naila Murray , Florent Perronnin

In the problem of domain transfer learning, we learn a model for the predic-tion in a target domain from the data of both some source domains and the target domain, where the target domain is in lack of labels while the source domain has…

计算机视觉与模式识别 · 计算机科学 2018-05-21 Guohui Zhang , Gaoyuan Liang , Fang Su , Fanxin Qu , Jing-Yan Wang

Machine learning for tabular data remains constrained by poor schema generalization, a challenge rooted in the lack of semantic understanding of structured variables. This challenge is particularly acute in domains like clinical medicine,…

机器学习 · 计算机科学 2026-05-05 Hongxi Mao , Wei Zhou , Mengting Jia , Tao Fang , Huan Gao , Bin Zhang , Shangyang Li

This study addresses the challenge of detecting semantic column types in relational tables, a key task in many real-world applications. While language models like BERT have improved prediction accuracy, their token input constraints limit…

机器学习 · 计算机科学 2024-05-02 Ehsan Hoseinzade , Ke Wang

Semantic segmentation of satellite imagery is a common approach to identify patterns and detect changes around the planet. Most of the state-of-the-art semantic segmentation models are trained in a fully supervised way using Convolutional…

计算机视觉与模式识别 · 计算机科学 2020-12-08 Aditya Kulkarni , Tharun Mohandoss , Daniel Northrup , Ernest Mwebaze , Hamed Alemohammad

Deep neural networks (DNNs) excel on fixed datasets but struggle with incremental and shifting data in real-world scenarios. Continual learning addresses this challenge by allowing models to learn from new data while retaining previously…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Lu Yu , Zhe Tao , Dipam Goswami , Hantao Yao , Bartłomiej Twardowski , Joost Van de Weijer , Changsheng Xu

Aspect-level sentiment classification aims to identify the sentiment polarity towards a specific aspect term in a sentence. Most current approaches mainly consider the semantic information by utilizing attention mechanisms to capture the…

计算与语言 · 计算机科学 2021-02-12 Xiaochen Hou , Jing Huang , Guangtao Wang , Xiaodong He , Bowen Zhou

Unsupervised domain adaptation without consuming annotation process for unlabeled target data attracts appealing interests in semantic segmentation. However, 1) existing methods neglect that not all semantic representations across domains…

计算机视觉与模式识别 · 计算机科学 2020-08-25 Jiahua Dong , Yang Cong , Gan Sun , Yuyang Liu , Xiaowei Xu

In the 21st-century information age, with the development of big data technology, effectively extracting valuable information from massive data has become a key issue. Traditional data mining methods are inadequate when faced with…

计算机视觉与模式识别 · 计算机科学 2024-11-28 Aoran Shen , Minghao Dai , Jiacheng Hu , Yingbin Liang , Shiru Wang , Junliang Du

Spam can be defined as unsolicited bulk email. In an effort to evade text-based filters, spammers sometimes embed spam text in an image, which is referred to as image spam. In this research, we consider the problem of image spam detection,…

计算机视觉与模式识别 · 计算机科学 2022-04-06 Tazmina Sharmin , Fabio Di Troia , Katerina Potika , Mark Stamp

While deep learning, including Convolutional Neural Networks (CNNs) and Vision Transformers (ViTs), has significantly advanced classification performance, its typical reliance on extensive annotated datasets presents a major obstacle in…

计算机视觉与模式识别 · 计算机科学 2025-09-24 Matheus Vinícius Todescato , Joel Luís Carbonera

This paper studies continual learning (CL) for sentiment classification (SC). In this setting, the CL system learns a sequence of SC tasks incrementally in a neural network, where each task builds a classifier to classify the sentiment of…

计算与语言 · 计算机科学 2021-12-21 Zixuan Ke , Bing Liu , Hao Wang , Lei Shu

This paper presents a new semi-supervised framework with convolutional neural networks (CNNs) for text categorization. Unlike the previous approaches that rely on word embeddings, our method learns embeddings of small text regions from…

机器学习 · 统计学 2015-11-03 Rie Johnson , Tong Zhang

Semantic segmentation is the task of assigning a label to each pixel in the image.In recent years, deep convolutional neural networks have been driving advances in multiple tasks related to cognition. Although, DCNNs have resulted in…

机器学习 · 计算机科学 2017-12-12 Aditya Ganeshan

Semantic communications, a promising approach for agent-human and agent-agent interactions, typically operate at a feature level, lacking true semantic understanding. This paper explores understanding-level semantic communications (ULSC),…

信号处理 · 电气工程与系统科学 2024-05-28 Shuaishuai Guo , Yanhu Wang , Jia Ye , Anbang Zhang , Kun Xu

We propose a novel weakly-supervised semantic segmentation algorithm based on Deep Convolutional Neural Network (DCNN). Contrary to existing weakly-supervised approaches, our algorithm exploits auxiliary segmentation annotations available…

计算机视觉与模式识别 · 计算机科学 2015-12-29 Seunghoon Hong , Junhyuk Oh , Bohyung Han , Honglak Lee

Machine learning applications cover a wide range of predictive tasks in which tabular datasets play a significant role. However, although they often address similar problems, tabular datasets are typically treated as standalone tasks. The…

机器学习 · 计算机科学 2023-06-21 Katarzyna Woźnica , Piotr Wilczyński , Przemysław Biecek

Semantic segmentation consists in classifying each pixel of an image by assigning it to a specific label chosen from a set of all the available ones. During the last few years, a lot of attention shifted to this kind of task. Many computer…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Loris Nanni , Daniela Cuza , Alessandra Lumini , Andrea Loreggia , Sheryl Brahnam