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相关论文: Aspect and Opinion Term Extraction Using Graph Att…

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Introducing Entity-Aspect Sentiment Triplet Extraction (EASTE), a novel Aspect-Based Sentiment Analysis (ABSA) task which extends Target-Aspect-Sentiment Detection (TASD) by separating aspect categories (e.g., food#quality) into pre-defined…

计算与语言 · 计算机科学 2024-07-08 Vorakit Vorakitphan , Milos Basic , Guilhaume Leroy Meline

Sentence-level relation extraction aims to identify the relation between two entities for a given sentence. The existing works mostly focus on obtaining a better entity representation and adopting a multi-label classifier for relation…

计算与语言 · 计算机科学 2023-04-12 Jiewen Zheng , Ze Chen

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…

计算机视觉与模式识别 · 计算机科学 2015-09-22 Quanzeng You , Jiebo Luo , Hailin Jin , Jianchao Yang

Sentence classification is one of the basic tasks of natural language processing. Convolution neural network (CNN) has the ability to extract n-grams features through convolutional filters and capture local correlations between consecutive…

计算与语言 · 计算机科学 2023-12-12 Shandong Yuan

Fine-grained sentiment analysis is receiving increasing attention in recent years. Extracting opinion target expressions (OTE) in reviews is often an important step in fine-grained, aspect-based sentiment analysis. Retrieving this…

计算与语言 · 计算机科学 2017-09-20 Soufian Jebbara , Philipp Cimiano

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-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

Gradient-based explanation methods play an important role in the field of interpreting complex deep neural networks for NLP models. However, the existing work has shown that the gradients of a model are unstable and easily manipulable,…

计算与语言 · 计算机科学 2023-02-22 Zhenxiao Cheng , Jie Zhou , Wen Wu , Qin Chen , Liang He

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…

计算与语言 · 计算机科学 2024-10-29 Adamu Lawan , Juhua Pu , Haruna Yunusa , Jawad Muhammad , Aliyu Umar

After transformer is proposed, lots of pre-trained language models have been come up with and sentiment analysis (SA) task has been improved. In this paper, we proposed a method that uses an auxiliary sentence about aspects that the…

计算与语言 · 计算机科学 2024-10-16 Teng Wang , Bolun Sun , Yijie Tong

The group affect or emotion in an image of people can be inferred by extracting features about both the people in the picture and the overall makeup of the scene. The state-of-the-art on this problem investigates a combination of facial…

计算机视觉与模式识别 · 计算机科学 2018-03-15 Ashok Sundaresan , Sugumar Murugesan , Sean Davis , Karthik Kappaganthu , ZhongYi Jin , Divya Jain , Anurag Maunder

Since acquiring pixel-wise annotations for training convolutional neural networks for semantic image segmentation is time-consuming, weakly supervised approaches that only require class tags have been proposed. In this work, we propose…

计算机视觉与模式识别 · 计算机科学 2019-05-17 Johann Sawatzky , Debayan Banerjee , Juergen Gall

For several purposes in Natural Language Processing (NLP), such as Information Extraction, Sentiment Analysis or Chatbot, Named Entity Recognition (NER) holds an important role as it helps to determine and categorize entities in text into…

计算与语言 · 计算机科学 2020-03-24 Thong Nguyen , Duy Nguyen , Pramod Rao

Aspect-category sentiment analysis (ACSA) aims to predict the aspect categories mentioned in texts and their corresponding sentiment polarities. Some joint models have been proposed to address this task. Given a text, these joint models…

计算与语言 · 计算机科学 2021-10-22 Yuncong Li , Zhe Yang , Cunxiang Yin , Xu Pan , Lunan Cui , Qiang Huang , Ting Wei

Because multimodal data contains more modal information, multimodal sentiment analysis has become a recent research hotspot. However, redundant information is easily involved in feature fusion after feature extraction, which has a certain…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Huiru Wang , Xiuhong Li , Zenyu Ren , Dan Yang , chunming Ma

In aspect-level sentiment classification (ASC), it is prevalent to equip dominant neural models with attention mechanisms, for the sake of acquiring the importance of each context word on the given aspect. However, such a mechanism tends to…

计算与语言 · 计算机科学 2019-06-07 Jialong Tang , Ziyao Lu , Jinsong Su , Yubin Ge , Linfeng Song , Le Sun , Jiebo Luo

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

Aspect-based sentiment analysis (ABSA) is a fine-grained sentiment analysis task which aims to extract the aspects from sentences and identify their corresponding sentiments. Aspect term extraction (ATE) is the crucial step for ABSA. Due to…

计算与语言 · 计算机科学 2022-02-01 Xiang Chen , Xiaojun Wan

Named entity recognition (NER) is highly sensitive to sentential syntactic and semantic properties where entities may be extracted according to how they are used and placed in the running text. To model such properties, one could rely on…

计算与语言 · 计算机科学 2020-10-30 Yuyang Nie , Yuanhe Tian , Yan Song , Xiang Ao , Xiang Wan

Dependency context-based word embedding jointly learns the representations of word and dependency context, and has been proved effective in aspect term extraction. In this paper, we design the positional dependency-based word embedding…

计算与语言 · 计算机科学 2020-12-21 Yichun Yin , Chenguang Wang , Ming Zhang