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The tasks of aspect identification and term extraction remain challenging in natural language processing. While supervised methods achieve high scores, it is hard to use them in real-world applications due to the lack of labelled datasets.…

Computation and Language · Computer Science 2020-05-07 Timur Sokhin , Maria Khodorchenko , Nikolay Butakov

In recent years, many studies extract aspects from user reviews and integrate them with ratings for improving the recommendation performance. The common aspects mentioned in a user's reviews and a product's reviews indicate indirect…

Information Retrieval · Computer Science 2019-04-18 Xinyu Guan , Zhiyong Cheng , Xiangnan He , Yongfeng Zhang , Zhibo Zhu , Qinke Peng , Tat-Seng Chua

Aspect based Sentiment Analysis is a major subarea of sentiment analysis. Many supervised and unsupervised approaches have been proposed in the past for detecting and analyzing the sentiment of aspect terms. In this paper, a graph-based…

Computation and Language · Computer Science 2020-03-12 Gunjan Ansari , Chandni Saxena , Tanvir Ahmad , M. N. Doja

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…

Computation and Language · Computer Science 2020-11-03 Zhen Wu , Chengcan Ying , Xinyu Dai , Shujian Huang , Jiajun Chen

Aspect-Based Sentiment Analysis (ABSA) is increasingly crucial in Natural Language Processing (NLP) for applications such as customer feedback analysis and product recommendation systems. ABSA goes beyond traditional sentiment analysis by…

Computation and Language · Computer Science 2024-10-29 Adamu Lawan , Juhua Pu , Haruna Yunusa , Jawad Muhammad , Aliyu Umar

Convolutional Neural Networks (CNNs) are a popular type of computer model that have proven their worth in many computer vision tasks. Moreover, they form an interesting study object for the field of psychology, with shown correspondences…

Computer Vision and Pattern Recognition · Computer Science 2025-12-04 Laurent Mertens , Elahe' Yargholi , Laura Van Hove , Hans Op de Beeck , Jan Van den Stock , Joost Vennekens

Over 30 papers have proposed to use convolutional neural network (CNN) for AD classification from anatomical MRI. However, the classification performance is difficult to compare across studies due to variations in components such as…

This paper introduces AirCNN, a novel paradigm for implementing convolutional neural networks (CNNs) via over-the-air (OTA) analog computation. By leveraging multiple reconfigurable intelligent surfaces (RISs) and transceiver designs, we…

Information Theory · Computer Science 2026-03-13 Meng Hua , Haotian Wu , Deniz Gündüz

Visual multimedia have become an inseparable part of our digital social lives, and they often capture moments tied with deep affections. Automated visual sentiment analysis tools can provide a means of extracting the rich feelings and…

Computer Vision and Pattern Recognition · Computer Science 2017-01-30 Victor Campos , Brendan Jou , Xavier Giro-i-Nieto

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…

Computation and Language · Computer Science 2021-02-24 Hossein Sadr , Mozhdeh Nazari Solimandarabi , Mir Mohsen Pedram , Mohammad Teshnehlab

Aspect based sentiment analysis (ABSA) involves three fundamental subtasks: aspect term extraction, opinion term extraction, and aspect-level sentiment classification. Early works only focused on solving one of these subtasks individually.…

Computation and Language · Computer Science 2021-04-08 Yue Mao , Yi Shen , Chao Yu , Longjun Cai

Aspect Based Sentiment Analysis (ABSA) is the sub-field of Natural Language Processing that deals with essentially splitting our data into aspects ad finally extracting the sentiment information. ABSA is known to provide more information…

Computation and Language · Computer Science 2020-06-09 Kaustubh Yadav

Many current methods to interpret convolutional neural networks (CNNs) use visualization techniques and words to highlight concepts of the input seemingly relevant to a CNN's decision. The methods hypothesize that the recognition of these…

Machine Learning · Computer Science 2017-11-23 Ning Xie , Md Kamruzzaman Sarker , Derek Doran , Pascal Hitzler , Michael Raymer

The surge of e-commerce reviews has presented a challenge in manually annotating the vast volume of reviews to comprehend their underlying aspects and sentiments. This research focused on leveraging weakly supervised learning to tackle…

Information Retrieval · Computer Science 2023-12-27 Kalpa Subbaih , Bharath Kumar Bolla

In this report, the Brno University of Technology (BUT) team submissions for Task 1 (Acoustic Scene Classification, ASC) of the DCASE-2019 challenge are described. Also, the analysis of different methods is provided. The proposed approach…

Audio and Speech Processing · Electrical Eng. & Systems 2019-07-17 Hossein Zeinali , Lukáš Burget , Jan "Honza'' Černocký

We present a multi-purpose algorithm for simultaneous face detection, face alignment, pose estimation, gender recognition, smile detection, age estimation and face recognition using a single deep convolutional neural network (CNN). The…

Computer Vision and Pattern Recognition · Computer Science 2016-11-04 Rajeev Ranjan , Swami Sankaranarayanan , Carlos D. Castillo , Rama Chellappa

As an important fine-grained sentiment analysis problem, aspect-based sentiment analysis (ABSA), aiming to analyze and understand people's opinions at the aspect level, has been attracting considerable interest in the last decade. To handle…

Computation and Language · Computer Science 2022-11-08 Wenxuan Zhang , Xin Li , Yang Deng , Lidong Bing , Wai Lam

Automated histopathological image analysis plays a vital role in computer-aided diagnosis of various diseases. Among developed algorithms, deep learning-based approaches have demonstrated excellent performance in multiple tasks, including…

Computer Vision and Pattern Recognition · Computer Science 2025-10-24 Nima Torbati , Anastasia Meshcheryakova , Ramona Woitek , Diana Mechtcheriakova , Amirreza Mahbod

In the domain of Aspect-Based Sentiment Analysis (ABSA), generative methods have shown promising results and achieved substantial advancements. However, despite these advancements, the tasks of extracting sentiment quadruplets, which…

Computation and Language · Computer Science 2024-10-04 Yongsik Seo , Sungwon Song , Ryang Heo , Jieyong Kim , Dongha Lee

Aspect-based sentiment analysis aims to identify the sentiment polarity of a specific aspect in product reviews. We notice that about 30% of reviews do not contain obvious opinion words, but still convey clear human-aware sentiment…

Computation and Language · Computer Science 2021-11-04 Zhengyan Li , Yicheng Zou , Chong Zhang , Qi Zhang , Zhongyu Wei
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