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Machine learning approaches to multi-label document classification have to date largely relied on discriminative modeling techniques such as support vector machines. A drawback of these approaches is that performance rapidly drops off as…

Machine Learning · Statistics 2011-11-11 Timothy N. Rubin , America Chambers , Padhraic Smyth , Mark Steyvers

Multi-label text classification is a challenging task because it requires capturing label dependencies. It becomes even more challenging when class distribution is long-tailed. Resampling and re-weighting are common approaches used for…

Computation and Language · Computer Science 2021-10-19 Yi Huang , Buse Giledereli , Abdullatif Köksal , Arzucan Özgür , Elif Ozkirimli

Real-world data often exhibit imbalanced label distributions. Existing studies on data imbalance focus on single-domain settings, i.e., samples are from the same data distribution. However, natural data can originate from distinct domains,…

Machine Learning · Computer Science 2022-08-02 Yuzhe Yang , Hao Wang , Dina Katabi

Multi-label text classification (MLTC) is an attractive and challenging task in natural language processing (NLP). Compared with single-label text classification, MLTC has a wider range of applications in practice. In this paper, we propose…

Computation and Language · Computer Science 2022-05-24 Irene Li , Aosong Feng , Hao Wu , Tianxiao Li , Toyotaro Suzumura , Ruihai Dong

A major challenge of multi-label text classification (MLTC) is to stimulatingly exploit possible label differences and label correlations. In this paper, we tackle this challenge by developing Label-Wise Pre-Training (LW-PT) method to get a…

Computation and Language · Computer Science 2020-08-18 Han Liu , Caixia Yuan , Xiaojie Wang

Although BERT is widely used by the NLP community, little is known about its inner workings. Several attempts have been made to shed light on certain aspects of BERT, often with contradicting conclusions. A much raised concern focuses on…

Computation and Language · Computer Science 2020-10-13 Nikolaos Manginas , Ilias Chalkidis , Prodromos Malakasiotis

Document-level relation extraction faces two overlooked challenges: long-tail problem and multi-label problem. Previous work focuses mainly on obtaining better contextual representations for entity pairs, hardly address the above…

Computation and Language · Computer Science 2022-12-21 Ridong Han , Tao Peng , Benyou Wang , Lu Liu , Xiang Wan

Towards real-world information extraction scenario, research of relation extraction is advancing to document-level relation extraction(DocRE). Existing approaches for DocRE aim to extract relation by encoding various information sources in…

Computation and Language · Computer Science 2022-05-24 Yangkai Du , Tengfei Ma , Lingfei Wu , Yiming Wu , Xuhong Zhang , Bo Long , Shouling Ji

Recently computer-aided diagnosis has demonstrated promising performance, effectively alleviating the workload of clinicians. However, the inherent sample imbalance among different diseases leads algorithms biased to the majority…

Computer Vision and Pattern Recognition · Computer Science 2025-02-10 Li Pan , Yupei Zhang , Qiushi Yang , Tan Li , Zhen Chen

In real-world applications, as data availability increases, obtaining labeled data for machine learning (ML) projects remains challenging due to the high costs and intensive efforts required for data annotation. Many ML projects,…

Machine Learning · Computer Science 2024-12-24 Ismail Hakki Karaman , Gulser Koksal , Levent Eriskin , Salih Salihoglu

Discourse relations play a pivotal role in establishing coherence within textual content, uniting sentences and clauses into a cohesive narrative. The Penn Discourse Treebank (PDTB) stands as one of the most extensively utilized datasets in…

Computation and Language · Computer Science 2024-06-10 Wanqiu Long , N. Siddharth , Bonnie Webber

The long-tailed recognition (LTR) is the task of learning high-performance classifiers given extremely imbalanced training samples between categories. Most of the existing works address the problem by either enhancing the features of tail…

Computer Vision and Pattern Recognition · Computer Science 2023-04-12 Haixu Long , Xiaolin Zhang , Yanbin Liu , Zongtai Luo , Jianbo Liu

Long-tailed multi-label visual recognition poses a significant challenge, as images typically contain multiple labels with highly imbalanced class distributions, leading to biased models that favor head classes while underperforming on tail…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Wei Tang , Zuo-Zheng Wang , Kun Zhang , Tong Wei , Min-Ling Zhang

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…

Computer Vision and Pattern Recognition · Computer Science 2021-05-25 Kevin Duarte , Yogesh S. Rawat , Mubarak Shah

Multi-Label Image Classification (MLIC) approaches usually exploit label correlations to achieve good performance. However, emphasizing correlation like co-occurrence may overlook discriminative features of the target itself and lead to…

Computer Vision and Pattern Recognition · Computer Science 2022-05-24 Jiazhi Xu , Sheng Huang , Fengtao Zhou , Luwen Huangfu , Daniel Zeng , Bo Liu

Span identification aims at identifying specific text spans from text input and classifying them into pre-defined categories. Different from previous works that merely leverage the Subordinate (SUB) relation (i.e. if a span is an instance…

Computation and Language · Computer Science 2023-05-19 Weiwen Xu , Xin Li , Yang Deng , Wai Lam , Lidong Bing

In this paper, we focus on data augmentation for the extreme multi-label classification (XMC) problem. One of the most challenging issues of XMC is the long tail label distribution where even strong models suffer from insufficient…

Computation and Language · Computer Science 2020-09-24 Danqing Zhang , Tao Li , Haiyang Zhang , Bing Yin

Natural data are often long-tail distributed over semantic classes. Existing recognition methods tackle this imbalanced classification by placing more emphasis on the tail data, through class re-balancing/re-weighting or ensembling over…

Computer Vision and Pattern Recognition · Computer Science 2022-05-03 Xudong Wang , Long Lian , Zhongqi Miao , Ziwei Liu , Stella X. Yu

Industrial multi-label document understanding pipelines score candidate labels and threshold or rank them to form a label set per document. This early selection step directly affects the accuracy of downstream information extraction from…

Information Retrieval · Computer Science 2026-05-19 Lasal Jayawardena , Nirmalie Wiratunga , Ikechukwu Nkisi-Orji , Darren Nicol

In the context of Extreme Multi-label Text Classification (XMTC), where labels are assigned to text instances from a large label space, the long-tail distribution of labels presents a significant challenge. Labels can be broadly categorized…

Information Retrieval · Computer Science 2025-07-08 Celso França , Gestefane Rabbi , Thiago Salles , Washington Cunha , Leonardo Rocha , Marcos André Gonçalves