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This paper describes a hierarchical system that predicts one label at a time for automated student response analysis. For the task, we build a classification binary tree that delays more easily confused labels to later stages using…

计算与语言 · 计算机科学 2015-07-14 Itziar Aldabe , Oier Lopez de Lacalle , Iñigo Lopez-Gazpio , Montse Maritxalar

Readability assessment aims to evaluate the reading difficulty of a text. In recent years, while deep learning technology has been gradually applied to readability assessment, most approaches fail to consider either the length of the text…

计算与语言 · 计算机科学 2025-11-27 Yurui Zheng , Yijun Chen , Shaohong Zhang

Previous work has shown that neural encoder-decoder speech recognition can be improved with hierarchical multitask learning, where auxiliary tasks are added at intermediate layers of a deep encoder. We explore the effect of hierarchical…

计算与语言 · 计算机科学 2019-03-08 Kalpesh Krishna , Shubham Toshniwal , Karen Livescu

Hierarchical multi-label classification (HMLC) is essential for modeling complex label dependencies in remote sensing. Existing methods, however, struggle with multi-path hierarchies where instances belong to multiple branches, and they…

计算机视觉与模式识别 · 计算机科学 2026-03-13 Marjan Stoimchev , Boshko Koloski , Jurica Levatić , Dragi Kocev , Sašo Džeroski

Camera-based 3D semantic scene completion (SSC) is pivotal for predicting complicated 3D layouts with limited 2D image observations. The existing mainstream solutions generally leverage temporal information by roughly stacking history…

计算机视觉与模式识别 · 计算机科学 2024-11-07 Bohan Li , Jiajun Deng , Wenyao Zhang , Zhujin Liang , Dalong Du , Xin Jin , Wenjun Zeng

Adversarial Robustness is a growing field that evidences the brittleness of neural networks. Although the literature on adversarial robustness is vast, a dimension is missing in these studies: assessing how severe the mistakes are. We call…

机器学习 · 计算机科学 2021-08-27 Guillaume Jeanneret , Juan C Perez , Pablo Arbelaez

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…

机器学习 · 计算机科学 2020-11-03 Shashanka Ubaru , Sanjeeb Dash , Arya Mazumdar , Oktay Gunluk

Online learning systems have multiple data repositories in the form of transcripts, books and questions. To enable ease of access, such systems organize the content according to a well defined taxonomy of hierarchical nature…

计算与语言 · 计算机科学 2022-08-11 Venktesh Viswanathan , Mukesh Mohania , Vikram Goyal

Image classification has been studied extensively, but there has been limited work in using unconventional, external guidance other than traditional image-label pairs for training. We present a set of methods for leveraging information…

计算机视觉与模式识别 · 计算机科学 2020-04-28 Ankit Dhall , Anastasia Makarova , Octavian Ganea , Dario Pavllo , Michael Greeff , Andreas Krause

Hierarchical classification problems are commonly seen in practice. However, most existing methods do not fully utilize the hierarchical information among class labels. In this paper, a novel label embedding approach is proposed, which…

统计方法学 · 统计学 2020-07-23 Yiwei Fan , Xiaoling Lu , Yufeng Liu , Junlong Zhao

Vision-Language Models (VLMs) can perform zero-shot classification but are susceptible to adversarial attacks. While robust fine-tuning improves their robustness, existing approaches align fixed text embeddings with an image embedding,…

计算机视觉与模式识别 · 计算机科学 2026-04-22 Junhao Dong , Yifei Zhang , Hao Zhu , Yew-Soon Ong , Piotr Koniusz

Hierarchical classification is a crucial task in many applications, where objects are organized into multiple levels of categories. However, conventional classification approaches often neglect inherent inter-class relationships at…

计算机视觉与模式识别 · 计算机科学 2025-10-02 Julius Ott , Nastassia Vysotskaya , Huawei Sun , Lorenzo Servadei , Robert Wille

Most information in our world is organized hierarchically; however, many Deep Learning approaches do not leverage this semantically rich structure. Research suggests that human learning benefits from exploiting the hierarchical structure of…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Alexandru Manole , Laura Diosan

Hierarchy Of Multi-label classifiers (HOMER) is a multi-label learning algorithm that breaks the initial learning task to several, easier sub-tasks by first constructing a hierarchy of labels from a given label set and secondly employing a…

机器学习 · 统计学 2016-12-31 Yannis Papanikolaou , Ioannis Katakis , Grigorios Tsoumakas

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…

计算机视觉与模式识别 · 计算机科学 2021-07-05 Xiaoni Li , Yucan Zhou , Yu Zhou , Weiping Wang

In this paper we propose a novel dual adversarial co-learning approach for multi-domain text classification (MDTC). The approach learns shared-private networks for feature extraction and deploys dual adversarial regularizations to align…

机器学习 · 计算机科学 2019-09-19 Yuan Wu , Yuhong Guo

Traditionally, classifying large hierarchical labels with more than 10000 distinct traces can only be achieved with flatten labels. Although flatten labels is feasible, it misses the hierarchical information in the labels. Hierarchical…

机器学习 · 计算机科学 2018-01-15 Zhenzhou Wu , Sean Saito

Multi-class text classification is one of the key problems in machine learning and natural language processing. Emerging neural networks deal with the problem using a multi-output softmax layer and achieve substantial progress, but they do…

计算与语言 · 计算机科学 2020-03-26 Haiyang Xu , Junwen Chen , Kun Han , Xiangang Li

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…

机器学习 · 计算机科学 2022-06-20 Ashwin Vaswani , Gaurav Aggarwal , Praneeth Netrapalli , Narayan G Hegde

Hierarchical reinforcement learning (HRL) has seen widespread interest as an approach to tractable learning of complex modular behaviors. However, existing work either assume access to expert-constructed hierarchies, or use…

机器学习 · 计算机科学 2021-10-19 Kurtland Chua , Qi Lei , Jason D. Lee