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We propose a semi-supervised text classifier based on self-training using one positive and one negative property of neural networks. One of the weaknesses of self-training is the semantic drift problem, where noisy pseudo-labels accumulate…

Computation and Language · Computer Science 2024-01-02 Payam Karisani

Small sample instance segmentation is a very challenging task, and many existing methods follow the training strategy of meta-learning which pre-train models on support set and fine-tune on query set. The pre-training phase, which is highly…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Ruting Chi , Zhiyi Huang , Yuexing Han

Due to abundance of data from multiple modalities, cross-modal retrieval tasks with image-text, audio-image, etc. are gaining increasing importance. Of the different approaches proposed, supervised methods usually give significant…

Computer Vision and Pattern Recognition · Computer Science 2020-01-03 Devraj Mandal , Pramod Rao , Soma Biswas

Text classification is the process of classifying documents into predefined categories based on their content. It is the automated assignment of natural language texts to predefined categories. Text classification is the primary requirement…

Information Retrieval · Computer Science 2010-09-28 S. M. Kamruzzaman , Farhana Haider , Ahmed Ryadh Hasan

As the amount of online document increases, the demand for document classification to aid the analysis and management of document is increasing. Text is cheap, but information, in the form of knowing what classes a document belongs to, is…

Information Retrieval · Computer Science 2011-12-12 Bhawna Nigam , Poorvi Ahirwal , Sonal Salve , Swati Vamney

Document layout analysis is a key area in document research, involving techniques like text mining and visual analysis. Despite various methods developed to tackle layout analysis, a critical but frequently overlooked problem is the…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Talha Uddin Sheikh , Tahira Shehzadi , Khurram Azeem Hashmi , Didier Stricker , Muhammad Zeshan Afzal

Unsupervised models can provide supplementary soft constraints to help classify new, "target" data since similar instances in the target set are more likely to share the same class label. Such models can also help detect possible…

Machine Learning · Computer Science 2012-06-06 Ayan Acharya , Eduardo R. Hruschka , Joydeep Ghosh , Sreangsu Acharyya

Meta-learning has emerged as a prominent technology for few-shot text classification and has achieved promising performance. However, existing methods often encounter difficulties in drawing accurate class prototypes from support set…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Xinyue Liu , Yunlong Gao , Linlin Zong , Bo Xu

Text classification tends to be difficult when data are deficient or when it is required to adapt to unseen classes. In such challenging scenarios, recent studies have often used meta-learning to simulate the few-shot task, thus negating…

Information Retrieval · Computer Science 2019-11-22 Shumin Deng , Ningyu Zhang , Zhanlin Sun , Jiaoyan Chen , Huajun Chen

Few-shot text classification aims to recognize unseen classes with limited labeled text samples. Existing approaches focus on boosting meta-learners by developing complex algorithms in the training stage. However, the labeled samples are…

Machine Learning · Computer Science 2026-03-04 Yunlong Gao , Xinyue Liu , Yingbo Wang , Linlin Zong , Bo Xu

The current state-of-the-art in feature learning relies on the supervised learning of large-scale datasets consisting of target content items and their respective category labels. However, constructing such large-scale fully-labeled…

Computer Vision and Pattern Recognition · Computer Science 2018-02-14 Yusuke Mukuta , Akisato Kimura , David B Adrian , Zoubin Ghahramani

When searching for information, a human reader first glances over a document, spots relevant sections and then focuses on a few sentences for resolving her intention. However, the high variance of document structure complicates to identify…

Computation and Language · Computer Science 2019-02-14 Sebastian Arnold , Rudolf Schneider , Philippe Cudré-Mauroux , Felix A. Gers , Alexander Löser

Few-shot node classification is tasked to provide accurate predictions for nodes from novel classes with only few representative labeled nodes. This problem has drawn tremendous attention for its projection to prevailing real-world…

Machine Learning · Computer Science 2022-12-13 Zhen Tan , Song Wang , Kaize Ding , Jundong Li , Huan Liu

Illegal marketplaces have increasingly shifted to concealed parts of the internet, including the deep and dark web, as well as platforms such as Telegram, Reddit, and Pastebin. These channels enable the anonymous trade of illicit goods…

Text Classification is one of the fundamental tasks in natural language processing, which requires an agent to determine the most appropriate category for input sentences. Recently, deep neural networks have achieved impressive performance…

Computation and Language · Computer Science 2023-06-16 Kun Zhang , Le Wu , Guangyi Lv , Enhong Chen , Shulan Ruan , Jing Liu , Zhiqiang Zhang , Jun Zhou , Meng Wang

In this paper, we present a semi-supervised learning algorithm for classification of text documents. A method of labeling unlabeled text documents is presented. The presented method is based on the principle of divide and conquer strategy.…

Machine Learning · Computer Science 2017-06-27 Harsha S. Gowda , Mahamad Suhil , D. S. Guru , Lavanya Narayana Raju

The training of deep-learning-based text classification models relies heavily on a huge amount of annotation data, which is difficult to obtain. When the labeled data is scarce, models tend to struggle to achieve satisfactory performance.…

Computation and Language · Computer Science 2020-04-07 Dianbo Sui , Yubo Chen , Binjie Mao , Delai Qiu , Kang Liu , Jun Zhao

Online structure learning approaches, such as those stemming from Statistical Relational Learning, enable the discovery of complex relations in noisy data streams. However, these methods assume the existence of fully-labelled training data,…

Artificial Intelligence · Computer Science 2019-02-21 Evangelos Michelioudakis , Alexander Artikis , Georgios Paliouras

Building a large image dataset with high-quality object masks for semantic segmentation is costly and time consuming. In this paper, we introduce a principled semi-supervised framework that only uses a small set of fully supervised images…

Computer Vision and Pattern Recognition · Computer Science 2020-02-27 Mostafa S. Ibrahim , Arash Vahdat , Mani Ranjbar , William G. Macready

Recent advancements in open vocabulary models, like CLIP, have notably advanced zero-shot classification and segmentation by utilizing natural language for class-specific embeddings. However, most research has focused on improving model…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Wenfang Sun , Yingjun Du , Gaowen Liu , Ramana Kompella , Cees G. M. Snoek