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Aspect-based sentiment analysis (ABSA) is a fine-grained task of sentiment analysis. To better comprehend long complicated sentences and obtain accurate aspect-specific information, linguistic and commonsense knowledge are generally…

计算与语言 · 计算机科学 2023-03-15 Qihuang Zhong , Liang Ding , Juhua Liu , Bo Du , Hua Jin , Dacheng Tao

Aspect-based sentiment analysis (ABSA) aims at analyzing the sentiment of a given aspect in a sentence. Recently, neural network-based methods have achieved promising results in existing ABSA datasets. However, these datasets tend to…

计算与语言 · 计算机科学 2020-11-03 Zhen Wu , Chengcan Ying , Xinyu Dai , Shujian Huang , Jiajun Chen

Active learning (AL) aims to minimize labeling efforts for data-demanding deep neural networks (DNNs) by selecting the most representative data points for annotation. However, currently used methods are ill-equipped to deal with biased…

计算机视觉与模式识别 · 计算机科学 2020-03-03 Denis Gudovskiy , Alec Hodgkinson , Takuya Yamaguchi , Sotaro Tsukizawa

Aspect-based Sentiment Analysis (ABSA) extracts fine-grained opinions toward specific aspects within text but remains largely English-focused despite major advances in transformer-based and instruction-tuned models. This work presents a…

计算与语言 · 计算机科学 2026-04-30 Jakob Fehle , Nils Constantin Hellwig , Udo Kruschwitz , Christian Wolff

Graph Neural Networks (GNNs) have achieved great success in various tasks, but their performance highly relies on a large number of labeled nodes, which typically requires considerable human effort. GNN-based Active Learning (AL) methods…

机器学习 · 计算机科学 2022-03-03 Wentao Zhang , Yexin Wang , Zhenbang You , Meng Cao , Ping Huang , Jiulong Shan , Zhi Yang , Bin Cui

Tree instance segmentation of airborne laser scanning (ALS) data is of utmost importance for forest monitoring, but remains challenging due to variations in the data caused by factors such as sensor resolution, vegetation state at…

计算机视觉与模式识别 · 计算机科学 2025-08-22 Swann Emilien Céleste Destouches , Jesse Lahaye , Laurent Valentin Jospin , Jan Skaloud

Despite a lack of theoretical understanding, deep neural networks have achieved unparalleled performance in a wide range of applications. On the other hand, shallow representation learning with component analysis is associated with rich…

机器学习 · 计算机科学 2018-03-20 Calvin Murdock , Ming-Fang Chang , Simon Lucey

Aspect-Based Sentiment Analysis (ABSA) is a fine-grained linguistics problem that entails the extraction of multifaceted aspects, opinions, and sentiments from the given text. Both standalone and compound ABSA tasks have been extensively…

计算与语言 · 计算机科学 2025-07-18 S M Rafiuddin , Mohammed Rakib , Sadia Kamal , Arunkumar Bagavathi

Aspect-based Sentiment Analysis (ABSA) is a task whose objective is to classify the individual sentiment polarity of all entities, called aspects, in a sentence. The task is composed of two subtasks: Aspect Term Extraction (ATE), identify…

Sentiment analysis is known as one of the most crucial tasks in the field of natural language processing and Convolutional Neural Network (CNN) is one of those prominent models that is commonly used for this aim. Although convolutional…

计算与语言 · 计算机科学 2021-02-24 Hossein Sadr , Mozhdeh Nazari Solimandarabi , Mir Mohsen Pedram , Mohammad Teshnehlab

\textit{Multiple Instance Learning} (MIL) is concerned with learning from bags of instances, where only bag labels are given and instance labels are unknown. Existent approaches in this field were mainly designed for the bag-level label…

机器学习 · 计算机科学 2019-05-30 Minlong Peng , Qi Zhang

Acquisition of labeled training samples for affective computing is usually costly and time-consuming, as affects are intrinsically subjective, subtle and uncertain, and hence multiple human assessors are needed to evaluate each affective…

机器学习 · 计算机科学 2019-03-27 Dongrui Wu , Jian Huang

Learning-based approaches for semantic segmentation have two inherent challenges. First, acquiring pixel-wise labels is expensive and time-consuming. Second, realistic segmentation datasets are highly unbalanced: some categories are much…

计算机视觉与模式识别 · 计算机科学 2020-02-18 Arantxa Casanova , Pedro O. Pinheiro , Negar Rostamzadeh , Christopher J. Pal

The existence of noisy labels in the dataset causes significant performance degradation for deep neural networks (DNNs). To address this problem, we propose a Meta Soft Label Generation algorithm called MSLG, which can jointly generate soft…

计算机视觉与模式识别 · 计算机科学 2021-01-20 Görkem Algan , Ilkay Ulusoy

Discriminative features play an important role in image and object classification and also in other fields of research such as semi-supervised learning, fine-grained classification, out of distribution detection. Inspired by Linear…

计算机视觉与模式识别 · 计算机科学 2021-07-14 Mai Lan Ha , Gianni Franchi , Emanuel Aldea , Volker Blanz

Deep learning-based approaches achieve state-of-the-art performance in the majority of image segmentation benchmarks. However, training of such models requires a sizable amount of manual annotations. In order to reduce this effort, we…

图像与视频处理 · 电气工程与系统科学 2019-09-04 Mahdyar Ravanbakhsh , Tassilo Klein , Kayhan Batmanghelich , Moin Nabi

Active learning (AL) for multiple target models aims to reduce labeled data querying while effectively training multiple models concurrently. Existing AL algorithms often rely on iterative model training, which can be computationally…

机器学习 · 计算机科学 2024-10-03 Sheng-Jun Huang , Yi Li , Yiming Sun , Ying-Peng Tang

The laborious process of labeling data often bottlenecks projects that aim to leverage the power of supervised machine learning. Active Learning (AL) has been established as a technique to ameliorate this condition through an iterative…

机器学习 · 计算机科学 2022-03-18 Trent J. Bradberry , Christopher H. Hase , LeAnna Kent , Joel A. Góngora

Aspect-based sentiment analysis (ABSA) is a fine-grained type of sentiment analysis that identifies aspects and their associated opinions from a given text. With the surge of digital opinionated text data, ABSA gained increasing popularity…

计算与语言 · 计算机科学 2024-09-19 Yan Cathy Hua , Paul Denny , Katerina Taskova , Jörg Wicker

Classification problems solved with deep neural networks (DNNs) typically rely on a closed world paradigm, and optimize over a single objective (e.g., minimization of the cross-entropy loss). This setup dismisses all kinds of supporting…

机器学习 · 计算机科学 2021-05-27 Sebastian Palacio , Philipp Engler , Jörn Hees , Andreas Dengel
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