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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…

机器学习 · 计算机科学 2021-06-23 Debapriya Banerjee , Fotios Lygerakis , Fillia Makedon

Aspect category sentiment analysis (ACSA) has achieved remarkable progress with large language models (LLMs), yet existing approaches primarily emphasize sentiment polarity while overlooking the underlying emotional dimensions that shape…

计算与语言 · 计算机科学 2025-11-25 Yaping Chai , Haoran Xie , Joe S. Qin

Aspect-based sentiment analysis (ABSA) involves identifying sentiment towards specific aspect terms in a sentence and allows us to uncover nuanced perspectives and attitudes on particular aspects of a product, service, or topic. However,…

计算与语言 · 计算机科学 2024-09-18 Lingling Xu , Haoran Xie , S. Joe Qin , Fu Lee Wang , Xiaohui Tao

Relation classification is an important research arena in the field of natural language processing (NLP). In this paper, we present SDP-LSTM, a novel neural network to classify the relation of two entities in a sentence. Our neural…

计算与语言 · 计算机科学 2015-08-18 Xu Yan , Lili Mou , Ge Li , Yunchuan Chen , Hao Peng , Zhi Jin

Aspect-Based Sentiment Analysis (ABSA) enables fine-grained opinion analysis by identifying sentiments toward specific aspects or targets within a text. While ABSA has been widely studied for English, research on other languages such as…

Long Short-Term Memory (LSTM) is a prominent recurrent neural network for extracting dependencies from sequential data such as time-series and multi-view data, having achieved impressive results for different visual recognition tasks. A…

计算机视觉与模式识别 · 计算机科学 2020-06-03 Alireza Sepas-Moghaddam , Ali Etemad , Fernando Pereira , Paulo Lobato Correia

Deep neural networks have shown good data modelling capabilities when dealing with challenging and large datasets from a wide range of application areas. Convolutional Neural Networks (CNNs) offer advantages in selecting good features and…

计算与语言 · 计算机科学 2018-11-02 Abdulaziz M. Alayba , Vasile Palade , Matthew England , Rahat Iqbal

Document representation is the core of many NLP tasks on machine understanding. A general representation learned in an unsupervised manner reserves generality and can be used for various applications. In practice, sentiment analysis (SA)…

机器学习 · 计算机科学 2024-01-15 Hao-Ming Fu , Pu-Jen Cheng

With the constantly growing number of reviews and other sentiment-bearing texts on the Web, the demand for automatic sentiment analysis algorithms continues to expand. Aspect-based sentiment classification (ABSC) allows for the automatic…

计算与语言 · 计算机科学 2022-03-29 Gianni Brauwers , Flavius Frasincar

Aspect term extraction is a fundamental task in fine-grained sentiment analysis, which aims at detecting customer's opinion targets from reviews on product or service. The traditional supervised models can achieve promising results with…

计算与语言 · 计算机科学 2023-03-03 Jingli Shi , Weihua Li , Quan Bai , Yi Yang , Jianhua Jiang

The Long Short-Term Memory (LSTM) layer is an important advancement in the field of neural networks and machine learning, allowing for effective training and impressive inference performance. LSTM-based neural networks have been…

神经与进化计算 · 计算机科学 2019-01-04 Daniel Kent , Fathi M. Salem

The integration of information across multiple modalities and across time is a promising way to enhance the emotion recognition performance of affective systems. Much previous work has focused on instantaneous emotion recognition. The 2018…

图像与视频处理 · 电气工程与系统科学 2018-05-07 Didan Deng , Yuqian Zhou , Jimin Pi , Bertram E. Shi

Aspect based sentiment analysis aims to identify the sentimental tendency towards a given aspect in text. Fine-tuning of pretrained BERT performs excellent on this task and achieves state-of-the-art performances. Existing BERT-based works…

计算与语言 · 计算机科学 2020-02-13 Youwei Song , Jiahai Wang , Zhiwei Liang , Zhiyue Liu , Tao Jiang

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:…

计算与语言 · 计算机科学 2025-08-15 Adamu Lawan , Juhua Pu , Haruna Yunusa , Muhammad Lawan , Mahmoud Basi , Muhammad Adam

This paper explores the design of an aspect-based sentiment analysis system using large language models (LLMs) for real-world use. We focus on quadruple opinion extraction -- identifying aspect categories, sentiment polarity, targets, and…

计算与语言 · 计算机科学 2025-07-17 Benjamin White , Anastasia Shimorina

Because of their superior ability to preserve sequence information over time, Long Short-Term Memory (LSTM) networks, a type of recurrent neural network with a more complex computational unit, have obtained strong results on a variety of…

计算与语言 · 计算机科学 2015-06-02 Kai Sheng Tai , Richard Socher , Christopher D. Manning

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…

计算与语言 · 计算机科学 2021-11-04 Zhengyan Li , Yicheng Zou , Chong Zhang , Qi Zhang , Zhongyu Wei

We consider the task of fine-grained sentiment analysis from the perspective of multiple instance learning (MIL). Our neural model is trained on document sentiment labels, and learns to predict the sentiment of text segments, i.e. sentences…

计算与语言 · 计算机科学 2018-01-29 Stefanos Angelidis , Mirella Lapata

Prominent applications of sentiment analysis are countless, covering areas such as marketing, customer service and communication. The conventional bag-of-words approach for measuring sentiment merely counts term frequencies; however, it…

计算与语言 · 计算机科学 2018-10-08 Mathias Kraus , Stefan Feuerriegel

Aspect-based sentiment analysis (ABSA) is a widely studied topic, most often trained through supervision from human annotations of opinionated texts. These fine-grained annotations include identifying aspects towards which a user expresses…

计算与语言 · 计算机科学 2023-10-12 Kasturi Bhattacharjee , Rashmi Gangadharaiah