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Aspect-level sentiment classification (ALSC) aims at identifying the sentiment polarity of a specified aspect in a sentence. ALSC is a practical setting in aspect-based sentiment analysis due to no opinion term labeling needed, but it fails…

Computation and Language · Computer Science 2021-09-08 Bo Wang , Tao Shen , Guodong Long , Tianyi Zhou , Yi Chang

Sentiment analysis of online user generated content is important for many social media analytics tasks. Researchers have largely relied on textual sentiment analysis to develop systems to predict political elections, measure economic…

Computer Vision and Pattern Recognition · Computer Science 2015-09-22 Quanzeng You , Jiebo Luo , Hailin Jin , Jianchao Yang

Most of the deep learning based speech enhancement (SE) methods rely on estimating the magnitude spectrum of the clean speech signal from the observed noisy speech signal, either by magnitude spectral masking or regression. These methods…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-28 Raktim Gautam Goswami , Sivaganesh Andhavarapu , K Sri Rama Murty

Speech emotion recognition is a challenging task and heavily depends on hand-engineered acoustic features, which are typically crafted to echo human perception of speech signals. However, a filter bank that is designed from perceptual…

Sound · Computer Science 2020-07-29 Siddique Latif , Rajib Rana , Sara Khalifa , Raja Jurdak , Julien Epps

Sentiment Analysis has seen much progress in the past two decades. For the past few years, neural network approaches, primarily RNNs and CNNs, have been the most successful for this task. Recently, a new category of neural networks,…

Computation and Language · Computer Science 2018-12-20 Artaches Ambartsoumian , Fred Popowich

In recent years, several online platforms have seen a rapid increase in the number of review systems that request users to provide aspect-level feedback. Document-level Multi-aspect Sentiment Classification (DMSC), where the goal is to…

Computation and Language · Computer Science 2021-06-01 Tian Shi , Ping Wang , Chandan K. Reddy

Multi-modal sentiment analysis plays an important role for providing better interactive experiences to users. Each modality in multi-modal data can provide different viewpoints or reveal unique aspects of a user's emotional state. In this…

Machine Learning · Computer Science 2021-06-23 Debapriya Banerjee , Fotios Lygerakis , Fillia Makedon

In aspect-based sentiment analysis, extracting aspect terms along with the opinions being expressed from user-generated content is one of the most important subtasks. Previous studies have shown that exploiting connections between aspect…

Computation and Language · Computer Science 2016-09-20 Wenya Wang , Sinno Jialin Pan , Daniel Dahlmeier , Xiaokui Xiao

This paper considers Aspect-based Opinion Summarization (AOS) of reviews on particular products. To enable real applications, an AOS system needs to address two core subtasks, aspect extraction and sentiment classification. Most existing…

Computation and Language · Computer Science 2015-12-01 Haibing Wu , Yiwei Gu , Shangdi Sun , Xiaodong Gu

Aspect Category Detection (ACD) aims to identify implicit and explicit aspects in a given review sentence. The state-of-the-art approaches for ACD use Deep Neural Networks (DNNs) to address the problem as a multi-label classification task.…

Computation and Language · Computer Science 2024-04-09 Murtadha Ahmed , Qun Chen

Speech emotion recognition (SER) has been a challenging problem in spoken language processing research, because it is unclear how human emotions are connected to various components of sounds such as pitch, loudness, and energy. This paper…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-03 Tai Vu

Aspect sentiment quad prediction (ASQP) facilitates a detailed understanding of opinions expressed in a text by identifying the opinion term, aspect term, aspect category and sentiment polarity for each opinion. However, annotating a full…

Computation and Language · Computer Science 2025-05-30 Nils Constantin Hellwig , Jakob Fehle , Udo Kruschwitz , Christian Wolff

Opinion mining from customer reviews has become pervasive in recent years. Sentences in reviews, however, are usually classified independently, even though they form part of a review's argumentative structure. Intuitively, sentences in a…

Computation and Language · Computer Science 2016-09-12 Sebastian Ruder , Parsa Ghaffari , John G. Breslin

Deep neural networks have shown superior performance in many regimes to remember familiar patterns with large amounts of data. However, the standard supervised deep learning paradigm is still limited when facing the need to learn new…

Machine Learning · Computer Science 2018-11-16 Jing Shi , Jiaming Xu , Yiqun Yao , Bo Xu

The outstanding pattern recognition performance of deep learning brings new vitality to the synthetic aperture radar (SAR) automatic target recognition (ATR). However, there is a limitation in current deep learning based ATR solution that…

Computer Vision and Pattern Recognition · Computer Science 2017-12-27 Fan Zhang , Chen Hu , Qiang Yin , Wei Li , Hengchao Li , Wen Hong

Compared with facial emotion recognition on categorical model, the dimensional emotion recognition can describe numerous emotions of the real world more accurately. Most prior works of dimensional emotion estimation only considered…

Computer Vision and Pattern Recognition · Computer Science 2018-11-30 Xiaohua Wang , Muzi Peng , Lijuan Pan , Min Hu , Chunhua Jin , Fuji Ren

We proposed a~new accurate aspect extraction method that makes use of both word and character-based embeddings. We have conducted experiments of various models of aspect extraction using LSTM and BiLSTM including CRF enhancement on five…

Computation and Language · Computer Science 2019-09-04 Łukasz Augustyniak , Tomasz Kajdanowicz , Przemysław Kazienko

While neural networks have been shown to achieve impressive results for sentence-level sentiment analysis, targeted aspect-based sentiment analysis (TABSA) --- extraction of fine-grained opinion polarity w.r.t. a pre-defined set of aspects…

Computation and Language · Computer Science 2018-05-01 Fei Liu , Trevor Cohn , Timothy Baldwin

Fine-grained sentiment analysis faces ongoing challenges in Aspect Sentiment Triple Extraction (ASTE), particularly in accurately capturing the relationships between aspects, opinions, and sentiment polarities. While researchers have made…

Computation and Language · Computer Science 2025-11-14 Vishal Thenuwara , Nisansa de Silva

Aspect-based Sentiment Analysis (ABSA) is a crucial NLP task that extracts fine-grained opinions and sentiments from text, such as product reviews and customer feedback. Existing methods often trade off efficiency for performance:…

Computation and Language · Computer Science 2025-08-15 Adamu Lawan , Juhua Pu , Haruna Yunusa , Muhammad Lawan , Mahmoud Basi , Muhammad Adam