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Cross-domain aspect-based sentiment analysis (ABSA) aims to perform various fine-grained sentiment analysis tasks on a target domain by transferring knowledge from a source domain. Since labeled data only exists in the source domain, a…

计算与语言 · 计算机科学 2023-05-17 Yue Deng , Wenxuan Zhang , Sinno Jialin Pan , Lidong Bing

This paper addresses the challenges posed by the unstructured nature and high-dimensional semantic complexity of electronic health record texts. A deep learning method based on attention mechanisms is proposed to achieve unified modeling…

计算与语言 · 计算机科学 2025-07-03 Ting Xu , Xiaoxiao Deng , Xiandong Meng , Haifeng Yang , Yan Wu

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…

计算与语言 · 计算机科学 2023-10-24 Yu Zhang , Zhihong Shen , Yuxiao Dong , Kuansan Wang , Jiawei Han

Multi-label classification aims to classify instances with discrete non-exclusive labels. Most approaches on multi-label classification focus on effective adaptation or transformation of existing binary and multi-class learning approaches…

机器学习 · 计算机科学 2019-01-03 Piotr Szymański , Tomasz Kajdanowicz , Nitesh Chawla

We introduce a family of multitask variational methods for semi-supervised sequence labeling. Our model family consists of a latent-variable generative model and a discriminative labeler. The generative models use latent variables to define…

计算与语言 · 计算机科学 2019-06-25 Mingda Chen , Qingming Tang , Karen Livescu , Kevin Gimpel

CNNs, RNNs, GCNs, and CapsNets have shown significant insights in representation learning and are widely used in various text mining tasks such as large-scale multi-label text classification. However, most existing deep models for…

信息检索 · 计算机科学 2019-06-13 Hao Peng , Jianxin Li , Qiran Gong , Senzhang Wang , Lifang He , Bo Li , Lihong Wang , Philip S. Yu

As an algorithmic framework for learning to learn, meta-learning provides a promising solution for few-shot text classification. However, most existing research fail to give enough attention to class labels. Traditional basic framework…

计算与语言 · 计算机科学 2024-12-16 Guanghua Hou , Shuhui Cao , Deqiang Ouyang , Ning Wang

We present new methods for multilabel classification, relying on ensemble learning on a collection of random output graphs imposed on the multilabel and a kernel-based structured output learner as the base classifier. For ensemble learning,…

机器学习 · 计算机科学 2013-11-19 Hongyu Su , Juho Rousu

Multi-label classification aims to recognize multiple objects or attributes from images. However, it is challenging to learn from proper label graphs to effectively characterize such inter-label correlations or dependencies. Current methods…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Jin Yuan , Shikai Chen , Yao Zhang , Zhongchao Shi , Xin Geng , Jianping Fan , Yong Rui

In multi-label classification, where the evaluation of predictions is less straightforward than in single-label classification, various meaningful, though different, loss functions have been proposed. Ideally, the learning algorithm should…

机器学习 · 计算机科学 2020-06-25 Michael Rapp , Eneldo Loza Mencía , Johannes Fürnkranz , Vu-Linh Nguyen , Eyke Hüllermeier

Multi-graph multi-label learning (\textsc{Mgml}) is a supervised learning framework, which aims to learn a multi-label classifier from a set of labeled bags each containing a number of graphs. Prior techniques on the \textsc{Mgml} are…

机器学习 · 计算机科学 2020-12-22 Yejiang Wang , Yuhai Zhao , Zhengkui Wang , Chengqi Zhang

Multi-label classification (MLC) requires predicting multiple labels per sample, often under heavy class imbalance and noisy conditions. Traditional approaches apply fixed thresholds or treat labels independently, overlooking context and…

机器学习 · 计算机科学 2025-05-07 Dmytro Shamatrin

Few/Zero-shot learning is a big challenge of many classifications tasks, where a classifier is required to recognise instances of classes that have very few or even no training samples. It becomes more difficult in multi-label…

机器学习 · 计算机科学 2020-10-16 Jueqing Lu , Lan Du , Ming Liu , Joanna Dipnall

We propose a compact framework with guided attention for multi-label classification in the fashion domain. Our visual semantic attention model (VSAM) is supervised by automatic pose extraction creating a discriminative feature space. VSAM…

计算机视觉与模式识别 · 计算机科学 2019-11-13 Beatriz Quintino Ferreira , João P. Costeira , Ricardo G. Sousa , Liang-Yan Gui , João P. Gomes

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

Training deep networks with limited labeled data while achieving a strong generalization ability is key in the quest to reduce human annotation efforts. This is the goal of semi-supervised learning, which exploits more widely available…

计算机视觉与模式识别 · 计算机科学 2021-04-14 Daiqing Li , Junlin Yang , Karsten Kreis , Antonio Torralba , Sanja Fidler

We address the task of hierarchical multi-label classification (HMC) of scientific documents at an industrial scale, where hundreds of thousands of documents must be classified across thousands of dynamic labels. The rapid growth of…

人工智能 · 计算机科学 2024-12-09 Seyed Amin Tabatabaei , Sarah Fancher , Michael Parsons , Arian Askari

Topic models are some of the most popular ways to represent textual data in an interpret-able manner. Recently, advances in deep generative models, specifically auto-encoding variational Bayes (AEVB), have led to the introduction of…

信息检索 · 计算机科学 2022-04-08 Jeffrey Chiu , Rajat Mittal , Neehal Tumma , Abhishek Sharma , Finale Doshi-Velez

Multilabel learning tackles the problem of associating a sample with multiple class labels. This work proposes a new ensemble method for managing multilabel classification: the core of the proposed approach combines a set of gated recurrent…

机器学习 · 计算机科学 2022-08-24 Loris Nanni , Alessandra Lumini , Alessandro Manfe , Riccardo Rampon , Sheryl Brahnam , Giorgio Venturin

Topic modeling has become a crucial method for analyzing text data, particularly for extracting meaningful insights from large collections of documents. However, the output of these models typically consists of lists of keywords that…

信息检索 · 计算机科学 2025-02-27 Trishia Khandelwal