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Hierarchical text classification, which aims to classify text documents into a given hierarchy, is an important task in many real-world applications. Recently, deep neural models are gaining increasing popularity for text classification due…

Computation and Language · Computer Science 2019-01-01 Yu Meng , Jiaming Shen , Chao Zhang , Jiawei Han

Short text clustering is a challenging problem due to its sparseness of text representation. Here we propose a flexible Self-Taught Convolutional neural network framework for Short Text Clustering (dubbed STC^2), which can flexibly and…

Information Retrieval · Computer Science 2017-01-03 Jiaming Xu , Bo Xu , Peng Wang , Suncong Zheng , Guanhua Tian , Jun Zhao , Bo Xu

The Hierarchical Task Network (HTN) formalism is used to express a wide variety of planning problems in terms of decompositions of tasks into subtaks. Many techniques have been proposed to solve such hierarchical planning problems. A…

Artificial Intelligence · Computer Science 2022-06-16 N. Cavrel , D. Pellier , H. Fiorino

Similarity-based Hierarchical Clustering (HC) is a classical unsupervised machine learning algorithm that has traditionally been solved with heuristic algorithms like Average-Linkage. Recently, Dasgupta reframed HC as a discrete…

Data Structures and Algorithms · Computer Science 2020-10-02 Ines Chami , Albert Gu , Vaggos Chatziafratis , Christopher Ré

Existing e-commerce platforms heavily rely on manual annotation for product categorization, which is inefficient and inconsistent. These platforms often employ a hierarchical structure for categorizing products; however, few studies have…

Computation and Language · Computer Science 2025-08-26 Kun Liu , Tuozhen Liu , Feifei Wang , Rui Pan

Recent approaches in hierarchical text classification (HTC) rely on the capabilities of a pre-trained transformer model and exploit the label semantics and a graph encoder for the label hierarchy. In this paper, we introduce an effective…

Machine Learning · Computer Science 2025-01-24 Younes Yousef , Lukas Galke , Ansgar Scherp

We propose methods that enable efficient hierarchical classification in parallel. Our methods transform a batch of classification scores and labels, corresponding to given nodes in a semantic tree, to scores and labels corresponding to all…

Machine Learning · Computer Science 2022-09-22 Franz A. Heinsen

Hierarchical clustering (HC) is an important data analysis technique in which the goal is to recursively partition a dataset into a tree-like structure while grouping together similar data points at each level of granularity. Unfortunately,…

Data Structures and Algorithms · Computer Science 2025-06-09 Vladimir Braverman , Jon C. Ergun , Chen Wang , Samson Zhou

Deep learning has become increasingly important in remote sensing image classification due to its ability to extract semantic information from complex data. Classification tasks often include predefined label hierarchies that represent the…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Giulio Weikmann , Gianmarco Perantoni , Lorenzo Bruzzone

Extreme multi-label classification (XMLC) is a problem of tagging an instance with a small subset of relevant labels chosen from an extremely large pool of possible labels. Large label spaces can be efficiently handled by organizing labels…

Machine Learning · Computer Science 2018-10-30 Marek Wydmuch , Kalina Jasinska , Mikhail Kuznetsov , Róbert Busa-Fekete , Krzysztof Dembczyński

International Classification of Diseases (ICD) is a set of classification codes for medical records. Automated ICD coding, which assigns unique International Classification of Diseases codes with each medical record, is widely used recently…

Artificial Intelligence · Computer Science 2022-12-12 Shi Wang , Daniel Tang , Luchen Zhang , Huilin Li , Ding Han

The celebrated Seq2Seq technique and its numerous variants achieve excellent performance on many tasks such as neural machine translation, semantic parsing, and math word problem solving. However, these models either only consider input…

Computation and Language · Computer Science 2020-10-07 Shucheng Li , Lingfei Wu , Shiwei Feng , Fangli Xu , Fengyuan Xu , Sheng Zhong

Label hierarchies widely exist in many vision-related problems, ranging from explicit label hierarchies existed in image classification to latent label hierarchies existed in semantic segmentation. Nevertheless, state-of-the-art methods…

Computer Vision and Pattern Recognition · Computer Science 2019-11-19 Hao-Yun Chen , Li-Huang Tsai , Shih-Chieh Chang , Jia-Yu Pan , Yu-Ting Chen , Wei Wei , Da-Cheng Juan

Novel contexts may often arise in complex querying scenarios such as in evidence-based medicine (EBM) involving biomedical literature, that may not explicitly refer to entities or canonical concept forms occurring in any fact- or rule-based…

Computation and Language · Computer Science 2019-11-12 Manirupa Das , Juanxi Li , Eric Fosler-Lussier , Simon Lin , Soheil Moosavinasab , Steve Rust , Yungui Huang , Rajiv Ramnath

Categorizing documents into a given label hierarchy is intuitively appealing due to the ubiquity of hierarchical topic structures in massive text corpora. Although related studies have achieved satisfying performance in fully supervised…

Computation and Language · Computer Science 2023-10-24 Yu Zhang , Xiusi Chen , Yu Meng , Jiawei Han

Multi-label text classification involves extracting all relevant labels from a sentence. Given the unordered nature of these labels, we propose approaching the problem as a set prediction task. To address the correlation between labels, we…

Computation and Language · Computer Science 2024-03-15 Du Xinkai , Han Quanjie , Sun Yalin , Lv Chao , Sun Maosong

Text classification algorithms investigate the intricate relationships between words or phrases and attempt to deduce the document's interpretation. In the last few years, these algorithms have progressed tremendously. Transformer…

Computation and Language · Computer Science 2022-06-28 Snehal Khandve , Vedangi Wagh , Apurva Wani , Isha Joshi , Raviraj Joshi

Extreme multi-label text classification (XMTC) addresses the problem of tagging each text with the most relevant labels from an extreme-scale label set. Traditional methods use bag-of-words (BOW) representations without context information…

Information Retrieval · Computer Science 2019-04-30 Ronghui You , Zihan Zhang , Suyang Dai , Shanfeng Zhu

Transformer language models generate text autoregressively, making inference latency proportional to the number of tokens generated. Speculative decoding reduces this latency without sacrificing output quality, by leveraging a small draft…

Machine Learning · Computer Science 2025-10-24 Clara Mohri , Haim Kaplan , Tal Schuster , Yishay Mansour , Amir Globerson

Text Categorization (TC), also known as Text Classification, is the task of automatically classifying a set of text documents into different categories from a predefined set. If a document belongs to exactly one of the categories, it is a…

Information Retrieval · Computer Science 2014-06-09 Vishwanath Bijalwan , Pinki Kumari , Jordan Pascual , Vijay Bhaskar Semwal
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