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Multi-label text classification (MLC) is a challenging task in settings of large label sets, where label support follows a Zipfian distribution. In this paper, we address this problem through retrieval augmentation, aiming to improve the…

计算与语言 · 计算机科学 2023-05-23 Ilias Chalkidis , Yova Kementchedjhieva

In multi-label text classification, each textual document can be assigned with one or more labels. Due to this nature, the multi-label text classification task is often considered to be more challenging compared to the binary or multi-class…

信息检索 · 计算机科学 2019-07-02 Jingcheng Du , Qingyu Chen , Yifan Peng , Yang Xiang , Cui Tao , Zhiyong Lu

There is often a mixture of very frequent labels and very infrequent labels in multi-label datatsets. This variation in label frequency, a type class imbalance, creates a significant challenge for building efficient multi-label…

机器学习 · 计算机科学 2021-09-28 Payel Sadhukhan , Arjun Pakrashi , Sarbani Palit , Brian Mac Namee

Long-tailed data is prevalent in real-world classification tasks and heavily relies on supervised information, which makes the annotation process exceptionally labor-intensive and time-consuming. Unfortunately, despite being a common…

机器学习 · 计算机科学 2024-12-04 Meng Wei , Zhongnian Li , Yong Zhou , Xinzheng Xu

The recent advanced deep learning techniques have shown the promising results in various domains such as computer vision and natural language processing. The success of deep neural networks in supervised learning heavily relies on a large…

机器学习 · 计算机科学 2021-06-10 Enyan Dai , Kai Shu , Yiwei Sun , Suhang Wang

Topic modelling is a popular unsupervised method for identifying the underlying themes in document collections that has many applications in information retrieval. A topic is usually represented by a list of terms ranked by their…

信息检索 · 计算机科学 2020-06-02 Areej Alokaili , Nikolaos Aletras , Mark Stevenson

Large language models (LLMs) are being increasingly tuned to power complex generation tasks such as writing, fact-seeking, querying and reasoning. Traditionally, human or model feedback for evaluating and further tuning LLM performance has…

计算与语言 · 计算机科学 2024-04-09 Yukti Makhija , Priyanka Agrawal , Rishi Saket , Aravindan Raghuveer

This paper presents a system towards the generation of multi-label datasets from web data in an unsupervised manner. To achieve this objective, this work comprises two main contributions, namely: a) the generation of a low-noise…

计算机视觉与模式识别 · 计算机科学 2020-06-11 Carlos Roig , David Varas , Issey Masuda , Juan Carlos Riveiro , Elisenda Bou-Balust

Legal multi-label classification is a critical task for organizing and accessing the vast amount of legal documentation. Despite its importance, it faces challenges such as the complexity of legal language, intricate label dependencies, and…

计算与语言 · 计算机科学 2025-04-15 Emily Johnson , Xavier Holt , Noah Wilson

Online job ads serve as a valuable source of information for skill requirements, playing a crucial role in labor market analysis and e-recruitment processes. Since such ads are typically formatted in free text, natural language processing…

Classifier chains is a key technique in multi-label classification, since it allows to consider label dependencies effectively. However, the classifiers are aligned according to a static order of the labels. In the concept of dynamic…

机器学习 · 计算机科学 2020-06-16 Bohlender , Simon , Loza Mencia , Eneldo , Kulessa , Moritz

Competitive methods for multi-label classification typically invest in learning labels together. To do so in a beneficial way, analysis of label dependence is often seen as a fundamental step, separate and prior to constructing a…

机器学习 · 统计学 2017-07-19 Jesse Read , Jaakko Hollmén

Text classification is one of the most important and fundamental tasks in natural language processing. Performance of this task mainly dependents on text representation learning. Currently, most existing learning frameworks mainly focus on…

计算与语言 · 计算机科学 2020-02-26 Xien Liu , Song Wang , Xiao Zhang , Xinxin You , Ji Wu , Dejing Dou

Large Language models (LLMs) have achieved encouraging results in tabular data generation. However, existing approaches require fine-tuning, which is computationally expensive. This paper explores an alternative: prompting a fixed LLM with…

机器学习 · 计算机科学 2025-02-25 Liancheng Fang , Aiwei Liu , Hengrui Zhang , Henry Peng Zou , Weizhi Zhang , Philip S. Yu

Multi-label classification is prevalent in real-world settings, but the behavior of Large Language Models (LLMs) in this setting is understudied. We investigate how autoregressive LLMs perform multi-label classification, focusing on…

计算与语言 · 计算机科学 2025-11-12 Marcus Ma , Georgios Chochlakis , Niyantha Maruthu Pandiyan , Jesse Thomason , Shrikanth Narayanan

Extreme multi-label classification (XMC) refers to supervised multi-label learning involving hundreds of thousand or even millions of labels. In this paper, we develop a suite of algorithms, called Bonsai, which generalizes the notion of…

机器学习 · 计算机科学 2019-08-13 Sujay Khandagale , Han Xiao , Rohit Babbar

Multimodal Large Language Models (MLLMs) have achieved strong performance on general visual benchmarks but struggle with out-of-distribution (OOD) tasks in specialized domains such as medical imaging, where labeled data is limited and…

计算机视觉与模式识别 · 计算机科学 2025-10-06 Ci-Siang Lin , Min-Hung Chen , Yu-Yang Sheng , Yu-Chiang Frank Wang

Learning with auxiliary tasks can improve the ability of a primary task to generalise. However, this comes at the cost of manually labelling auxiliary data. We propose a new method which automatically learns appropriate labels for an…

机器学习 · 计算机科学 2019-11-28 Shikun Liu , Andrew J. Davison , Edward Johns

This work focuses on the problem of multi-label learning with missing labels (MLML), which aims to label each test instance with multiple class labels given training instances that have an incomplete/partial set of these labels. The key…

计算机视觉与模式识别 · 计算机科学 2018-04-03 Baoyuan Wu , Fan Jia , Wei Liu , Bernard Ghanem , Siwei Lyu

Motivation: Despite recent advancements in semantic representation driven by pre-trained and large-scale language models, addressing long tail challenges in multi-label text classification remains a significant issue. Long tail challenges…

计算与语言 · 计算机科学 2025-03-12 Yan Yan , Junyuan Liu , Bo-Wen Zhang