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The task of text classification is usually divided into two stages: {\it text feature extraction} and {\it classification}. In this standard formalization categories are merely represented as indexes in the label vocabulary, and the model…

Computation and Language · Computer Science 2020-06-05 Duo Chai , Wei Wu , Qinghong Han , Fei Wu , Jiwei Li

Multi-label text classification refers to the problem of assigning each given document its most relevant labels from the label set. Commonly, the metadata of the given documents and the hierarchy of the labels are available in real-world…

Computation and Language · Computer Science 2023-10-24 Yu Zhang , Zhihong Shen , Yuxiao Dong , Kuansan Wang , Jiawei Han

Word representations induced from models with discrete latent variables (e.g.\ HMMs) have been shown to be beneficial in many NLP applications. In this work, we exploit labeled syntactic dependency trees and formalize the induction problem…

Computation and Language · Computer Science 2016-02-08 Simon Šuster , Gertjan van Noord , Ivan Titov

This paper aims for the language-based product image retrieval task. The majority of previous works have made significant progress by designing network structure, similarity measurement, and loss function. However, they typically perform…

Computer Vision and Pattern Recognition · Computer Science 2021-02-19 Zhe Ma , Fenghao Liu , Jianfeng Dong , Xiaoye Qu , Yuan He , Shouling Ji

Establishing semantic correspondence across images when the objects in the images have undergone complex deformations remains a challenging task in the field of computer vision. In this paper, we propose a hierarchical method to tackle this…

Computer Vision and Pattern Recognition · Computer Science 2018-06-12 Akila Pemasiri , Kien Nguyen , Sridha Sridhara , and Clinton Fookes

We are interested in aligning how people think about objects and what machines perceive, meaning by this the fact that object recognition, as performed by a machine, should follow a process which resembles that followed by humans when…

Artificial Intelligence · Computer Science 2023-05-10 Luca Erculiani , Andrea Bontempelli , Andrea Passerini , Fausto Giunchiglia

Hierarchical Multiscale LSTM (Chung et al., 2016a) is a state-of-the-art language model that learns interpretable structure from character-level input. Such models can provide fertile ground for (cognitive) computational linguistics…

Computation and Language · Computer Science 2018-07-11 Ákos Kádár , Marc-Alexandre Côté , Grzegorz Chrupała , Afra Alishahi

Hierarchical Text Classification (HTC) aims to assign texts to structured label hierarchies; however, it faces challenges due to data scarcity and model complexity. This study explores the feasibility of using black box Large Language…

Computation and Language · Computer Science 2025-08-07 Kosuke Yoshimura , Hisashi Kashima

Networks have in recent years emerged as an invaluable tool for describing and quantifying complex systems in many branches of science. Recent studies suggest that networks often exhibit hierarchical organization, where vertices divide into…

Machine Learning · Statistics 2008-11-05 Aaron Clauset , Cristopher Moore , M. E. J. Newman

Distance-based unsupervised text classification is a method within text classification that leverages the semantic similarity between a label and a text to determine label relevance. This method provides numerous benefits, including fast…

Computation and Language · Computer Science 2025-10-14 Jens Van Nooten , Andriy Kosar , Guy De Pauw , Walter Daelemans

Named entity recognition is one of the core tasks in NLP. Although many improvements have been made on this task during the last years, the state-of-the-art systems do not explicitly take into account the recursive nature of language.…

Computation and Language · Computer Science 2019-09-12 Gustavo Aguilar , Thamar Solorio

Text classification is crucial for applications such as sentiment analysis and toxic text filtering, but it still faces challenges due to the complexity and ambiguity of natural language. Recent advancements in deep learning, particularly…

Computation and Language · Computer Science 2024-08-29 Lingyu Gao

Text classification helps analyse texts for semantic meaning and relevance, by mapping the words against this hierarchy. An analysis of various types of texts is invaluable to understanding both their semantic meaning, as well as their…

Machine Learning · Computer Science 2022-11-16 Chaitanya Chadha , Vandit Gupta , Deepak Gupta , Ashish Khanna

Text classification stands as a cornerstone within the realm of Natural Language Processing (NLP), particularly when viewed through computer science and engineering. The past decade has seen deep learning revolutionize text classification,…

Computation and Language · Computer Science 2025-04-23 Marco Siino , Ilenia Tinnirello , Marco La Cascia

Large Language Models (LLMs) have fundamentally transformed approaches to Natural Language Processing (NLP) tasks across diverse domains. In healthcare, accurate and cost-efficient text classification is crucial, whether for clinical notes…

Computation and Language · Computer Science 2026-02-16 Hajar Sakai , Sarah S. Lam

The problem of selection, storage, search and analysis of information about the state, functioning and interaction of elements of complex hierarchical network systems is considered. The principles of construction of information models of…

Physics and Society · Physics 2021-06-17 Olexandr Polishchuk , Mykhailo Yadzhak

Hierarchical categorical variables often exhibit many levels (high granularity) and many classes within each level (high dimensionality). This may cause overfitting and estimation issues when including such covariates in a predictive model.…

Methodology · Statistics 2024-08-20 Paul Wilsens , Katrien Antonio , Gerda Claeskens

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

Forms are a widespread type of template-based document used in a great variety of fields including, among others, administration, medicine, finance, or insurance. The automatic extraction of the information included in these documents is…

Computation and Language · Computer Science 2021-12-15 María Villota , César Domínguez , Jónathan Heras , Eloy Mata , Vico Pascual

Cross-document relation extraction (RE) aims to identify relations between the head and tail entities located in different documents. Existing approaches typically adopt the paradigm of ``\textit{Small Language Model (SLM) + Classifier}''.…

Computation and Language · Computer Science 2026-04-21 Guoqi Ma , Liang Zhang , Hongyao Tu , Hao Fu , Hui Li , Yujie Lin , Longyue Wang , Weihua Luo , Jinsong Su