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Automatic topic classification has been studied extensively to assist managing and indexing scientific documents in a digital collection. With the large number of topics being available in recent years, it has become necessary to arrange…

Computation and Language · Computer Science 2022-11-08 Mobashir Sadat , Cornelia Caragea

Training deep learning models with limited labelled data is an attractive scenario for many NLP tasks, including document classification. While with the recent emergence of BERT, deep learning language models can achieve reasonably good…

Computation and Language · Computer Science 2021-06-15 Jinghui Lu , Maeve Henchion , Ivan Bacher , Brian Mac Namee

Hierarchical text classification aims to categorize each document into a set of classes in a label taxonomy, which is a fundamental web text mining task with broad applications such as web content analysis and semantic indexing. Most…

Computation and Language · Computer Science 2025-02-06 Yunyi Zhang , Ruozhen Yang , Xueqiang Xu , Rui Li , Jinfeng Xiao , Jiaming Shen , Jiawei Han

Hierarchical multi-label text classification aims to classify the input text into multiple labels, among which the labels are structured and hierarchical. It is a vital task in many real world applications, e.g. scientific literature…

Computation and Language · Computer Science 2023-08-01 Rundong Liu , Wenhan Liang , Weijun Luo , Yuxiang Song , He Zhang , Ruohua Xu , Yunfeng Li , Ming Liu

Deep learning is currently reaching outstanding performances on different tasks, including image classification, especially when using large neural networks. The success of these models is tributary to the availability of large collections…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Mingyuan Jiu , Xuguang Song , Hichem Sahbi , Shupan Li , Yan Chen , Wei Guo , Lihua Guo , Mingliang Xu

Classification algorithms in machine learning often assume a flat label space. However, most real world data have dependencies between the labels, which can often be captured by using a hierarchy. Utilizing this relation can help develop a…

Machine Learning · Computer Science 2020-06-09 Palash Goyal , Shalini Ghosh

Large language models produce powerful text embeddings, but their causal attention mechanism restricts the flow of information from later to earlier tokens, degrading representation quality. While recent methods attempt to solve this by…

Computation and Language · Computer Science 2025-11-20 Xueying Ding , Xingyue Huang , Mingxuan Ju , Liam Collins , Yozen Liu , Leman Akoglu , Neil Shah , Tong Zhao

Safety-critical applications such as autonomous driving require robust 3D environment perception algorithms capable of handling diverse and ambiguous surroundings. The predictive performance of classification models is heavily influenced by…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Mariella Dreissig , Simon Ruehle , Florian Piewak , Joschka Boedecker

Text classification models are typically trained via supervised fine-tuning (SFT). However, SFT essentially performs behavior cloning from instance-wise labels and thus fails to adequately capture relative preference relations among…

Machine Learning · Computer Science 2026-05-19 Tianxiang Xu , Xiaoyan Zhu , Xin Lai , Jiayin Wang

Hierarchical multi-label academic text classification (HMTC) is to assign academic texts into a hierarchically structured labeling system. We propose an attention-based hierarchical multi-label classification algorithm of academic texts…

Computation and Language · Computer Science 2022-03-22 Yue Wang , Yawen Li , Ang Li

Exploiting label hierarchies has become a promising approach to tackling the zero-shot multi-label text classification (ZS-MTC) problem. Conventional methods aim to learn a matching model between text and labels, using a graph encoder to…

Computation and Language · Computer Science 2021-04-06 Hui Liu , Danqing Zhang , Bing Yin , Xiaodan Zhu

This paper considers the problem of Hierarchical Multi-Label Classification (HMC), where (i) several labels can be present for each example, and (ii) labels are related via a domain-specific hierarchy tree. Guided by the intuition that all…

Machine Learning · Computer Science 2022-06-20 Ashwin Vaswani , Gaurav Aggarwal , Praneeth Netrapalli , Narayan G Hegde

Language recognition system is typically trained directly to optimize classification error on the target language labels, without using the external, or meta-information in the estimation of the model parameters. However labels are not…

Artificial Intelligence · Computer Science 2018-05-01 Trung Ngo Trong , Ville Hautamäki , Kristiina Jokinen

Hierarchical Multi-Label Classification (HMC) faces critical challenges in maintaining structural consistency and balancing loss weighting in Multi-Task Learning (MTL). In order to address these issues, we propose a classifier called HCAL…

Machine Learning · Computer Science 2025-08-20 Ruobing Jiang , Mengzhe Liu , Haobing Liu , Yanwei Yu

In modern multilabel classification problems, each data instance belongs to a small number of classes from a large set of classes. In other words, these problems involve learning very sparse binary label vectors. Moreover, in large-scale…

Machine Learning · Computer Science 2020-11-03 Shashanka Ubaru , Sanjeeb Dash , Arya Mazumdar , Oktay Gunluk

Hierarchical classification is significant for complex tasks by providing multi-granular predictions and encouraging better mistakes. As the label structure decides its performance, many existing approaches attempt to construct an excellent…

Computer Vision and Pattern Recognition · Computer Science 2021-07-05 Xiaoni Li , Yucan Zhou , Yu Zhou , Weiping Wang

Representing a true label as a one-hot vector is a common practice in training text classification models. However, the one-hot representation may not adequately reflect the relation between the instances and labels, as labels are often not…

Computation and Language · Computer Science 2020-12-10 Biyang Guo , Songqiao Han , Xiao Han , Hailiang Huang , Ting Lu

Test Case Prioritization (TCP) techniques aim at proposing new test case execution orders to favor the achievement of certain testing goal, such as fault detection. Current TCP research focus mainly on code-based regression testing; however…

Recent studies are leveraging advancements in large language models (LLMs) trained on extensive internet-crawled text data to generate textual descriptions of downstream classes in CLIP-based zero-shot image classification. While most of…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Tong Liang , Jim Davis

Decentralized Multi-Agent Reinforcement Learning (MARL) methods allow for learning scalable multi-agent policies, but suffer from partial observability and induced non-stationarity. These challenges can be addressed by introducing…

Machine Learning · Computer Science 2025-08-01 Tommaso Marzi , Cesare Alippi , Andrea Cini