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Aspect Sentiment Triplet Extraction (ASTE) is a new fine-grained sentiment analysis task that aims to extract triplets of aspect terms, sentiments, and opinion terms from review sentences. Recently, span-level models achieve gratifying…

计算与语言 · 计算机科学 2022-11-11 Yuqi Chen , Keming Chen , Xian Sun , Zequn Zhang

We present a novel facial expression recognition network, called Distract your Attention Network (DAN). Our method is based on two key observations. Firstly, multiple classes share inherently similar underlying facial appearance, and their…

计算机视觉与模式识别 · 计算机科学 2023-05-23 Zhengyao Wen , Wenzhong Lin , Tao Wang , Ge Xu

Traditional sentiment analysis approaches tackle problems like ternary (3-category) and fine-grained (5-category) classification by learning the tasks separately. We argue that such classification tasks are correlated and we propose a…

信息检索 · 计算机科学 2017-07-13 Georgios Balikas , Simon Moura , Massih-Reza Amini

One key task of fine-grained sentiment analysis on reviews is to extract aspects or features that users have expressed opinions on. This paper focuses on supervised aspect extraction using a modified CNN called controlled CNN (Ctrl). The…

计算与语言 · 计算机科学 2019-05-31 Lei Shu , Hu Xu , Bing Liu

Speech emotion recognition is a challenging task for three main reasons: 1) human emotion is abstract, which means it is hard to distinguish; 2) in general, human emotion can only be detected in some specific moments during a long…

声音 · 计算机科学 2019-05-03 Yuanyuan Zhang , Jun Du , Zirui Wang , Jianshu Zhang

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…

计算与语言 · 计算机科学 2016-09-20 Wenya Wang , Sinno Jialin Pan , Daniel Dahlmeier , Xiaokui Xiao

It has been widely accepted that Long Short-Term Memory (LSTM) network, coupled with attention mechanism and memory module, is useful for aspect-level sentiment classification. However, existing approaches largely rely on the modelling of…

计算与语言 · 计算机科学 2019-09-24 Chen Zhang , Qiuchi Li , Dawei Song

Many high performance machine learning models for Aspect-Based Sentiment Classification (ABSC) produce black box models, and therefore barely explain how they classify a certain sentiment value towards an aspect. In this paper, we propose…

计算与语言 · 计算机科学 2021-03-31 Lisa Meijer , Flavius Frasincar , Maria Mihaela Trusca

In this paper, we propose a novel method to enhance sentiment analysis by addressing the challenge of context-specific word meanings. It combines the advantages of a BERT model with a knowledge graph based synonym data. This synergy…

计算与语言 · 计算机科学 2025-03-20 Kavita Sharma , Ritu Patel , Sunita Iyer

Sentiments in opinionated text are often determined by both aspects and target words (or targets). We observe that targets and aspects interrelate in subtle ways, often yielding conflicting sentiments. Thus, a naive aggregation of…

计算与语言 · 计算机科学 2020-10-08 Zhe Zhang , Chung-Wei Hang , Munindar P. Singh

In this paper, we propose a two-layered multi-task attention based neural network that performs sentiment analysis through emotion analysis. The proposed approach is based on Bidirectional Long Short-Term Memory and uses Distributional…

计算与语言 · 计算机科学 2019-12-02 Abhishek Kumar , Asif Ekbal , Daisuke Kawahra , Sadao Kurohashi

Aspect-based sentiment analysis (ABSA) is an emerging fine-grained sentiment analysis task that aims to extract aspects, classify corresponding sentiment polarities and find opinions as the causes of sentiment. The latest research tends to…

计算与语言 · 计算机科学 2021-09-20 Chengxi Li , Feiyu Gao , Jiajun Bu , Lu Xu , Xiang Chen , Yu Gu , Zirui Shao , Qi Zheng , Ningyu Zhang , Yongpan Wang , Zhi Yu

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…

计算与语言 · 计算机科学 2020-03-12 Gunjan Ansari , Chandni Saxena , Tanvir Ahmad , M. N. Doja

In recent years, great success has been achieved in many tasks of natural language processing (NLP), e.g., named entity recognition (NER), especially in the high-resource language, i.e., English, thanks in part to the considerable amount of…

计算与语言 · 计算机科学 2023-01-10 Shengfei Lyu , Linghao Sun , Huixiong Yi , Yong Liu , Huanhuan Chen , Chunyan Miao

Conventional multi-view clustering methods seek for a view consensus through minimizing the pairwise discrepancy between the consensus and subviews. However, the pairwise comparison cannot portray the inter-view relationship precisely if…

机器学习 · 计算机科学 2020-05-13 Zhe Liu , Yun Li , Lina Yao , Xianzhi Wang , Feiping Nie

Aspect Based Sentiment Analysis is a dominant research area with potential applications in social media analytics, business, finance, and health. Prior works in this area are primarily based on supervised methods, with a few techniques…

计算与语言 · 计算机科学 2022-11-09 Sabyasachi Kamila , Walid Magdy , Sourav Dutta , MingXue Wang

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

[Purpose] To understand the meaning of a sentence, humans can focus on important words in the sentence, which reflects our eyes staying on each word in different gaze time or times. Thus, some studies utilize eye-tracking values to optimize…

计算与语言 · 计算机科学 2022-09-09 Lei Zhao , Yingyi Zhang , Chengzhi Zhang

We rely on arguments in our daily lives to deliver our opinions and base them on evidence, making them more convincing in turn. However, finding and formulating arguments can be challenging. In this work, we train a language model for…

计算与语言 · 计算机科学 2020-05-04 Benjamin Schiller , Johannes Daxenberger , Iryna Gurevych

In this paper, we introduce a new framework called the sentiment-aspect attribution module (SAAM). SAAM works on top of traditional neural networks and is designed to address the problem of multi-aspect sentiment classification and…

计算与语言 · 计算机科学 2020-12-16 Yifan Zhang , Fan Yang , Marjan Hosseinia , Arjun Mukherjee