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Sentiment analysis is directly affected by compositional phenomena in language that act on the prior polarity of the words and phrases found in the text. Negation is the most prevalent of these phenomena and in order to correctly predict…

Computation and Language · Computer Science 2021-07-01 Jeremy Barnes , Erik Velldal , Lilja Øvrelid

Automatic sentiment analysis play vital role in decision making. Many organizations spend a lot of budget to understand their customer satisfaction by manually going over their feedback/comments or tweets. Automatic sentiment analysis can…

Computation and Language · Computer Science 2021-07-07 Mohammad Aimal , Maheen Bakhtyar , Junaid Baber , Sadia Lakho , Umar Mohammad , Warda Ahmed , Jahanvash Karim

Sentiment analysis is a natural language processing task that aims to identify and extract the emotional aspects of a text. However, many existing sentiment analysis methods primarily classify the overall polarity of a text, overlooking the…

Computation and Language · Computer Science 2024-07-30 Mahdi Rezapour

Spontaneous speech emotion data usually contain perceptual grades where graders assign emotion score after listening to the speech files. Such perceptual grades introduce uncertainty in labels due to grader opinion variation. Grader…

Sound · Computer Science 2025-04-01 Vikramjit Mitra , Amrit Romana , Dung T. Tran , Erdrin Azemi

Sentiment classification and sarcasm detection are both important natural language processing (NLP) tasks. Sentiment is always coupled with sarcasm where intensive emotion is expressed. Nevertheless, most literature considers them as two…

Computation and Language · Computer Science 2019-03-12 Navonil Majumder , Soujanya Poria , Haiyun Peng , Niyati Chhaya , Erik Cambria , Alexander Gelbukh

For the task of conversation emotion recognition, recent works focus on speaker relationship modeling but ignore the role of utterance's emotional tendency.In this paper, we propose a new expression paradigm of sentence-level emotion…

Computation and Language · Computer Science 2021-12-23 Zaijing Li , Fengxiao Tang , Tieyu Sun , Yusen Zhu , Ming Zhao

Identifying controversial topics is not only interesting from a social point of view, it also enables the application of methods to avoid the information segregation, creating better discussion contexts and reaching agreements in the best…

Information Retrieval · Computer Science 2020-01-28 Juan Manuel Ortiz de Zarate , Esteban Feuerstein

Joint extraction of aspects and sentiments can be effectively formulated as a sequence labeling problem. However, such formulation hinders the effectiveness of supervised methods due to the lack of annotated sequence data in many domains.…

Computation and Language · Computer Science 2019-11-01 Zheng Li , Xin Li , Ying Wei , Lidong Bing , Yu Zhang , Qiang Yang

Comparative opinion mining is a specialized field of sentiment analysis that aims to identify and extract sentiments expressed comparatively. To address this task, we propose an approach that consists of solving three sequential sub-tasks:…

Computation and Language · Computer Science 2024-01-03 Ha Le , Bao Tran , Phuong Le , Tan Nguyen , Dac Nguyen , Ngoan Pham , Dang Huynh

An inversion of the speech polarity may have a dramatic detrimental effect on the performance of various techniques of speech processing. An automatic method for determining the speech polarity (which is dependent upon the recording setup)…

Sound · Computer Science 2020-05-19 Thomas Drugman , Thierry Dutoit

Aspect-based sentiment classification (ABSC) is a very challenging subtask of sentiment analysis (SA) and suffers badly from the class-imbalance. Existing methods only process sentences independently, without considering the domain-level…

Computation and Language · Computer Science 2022-02-22 Zhenxin Wu , Jiazheng Gong , Kecen Guo , Guanye Liang , Qingliang Che , Bo Liu

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…

Computation and Language · Computer Science 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

Language Models (LMs) have shown promising performance in natural language generation. However, as LMs often generate incorrect or hallucinated responses, it is crucial to correctly quantify their uncertainty in responding to given inputs.…

Computation and Language · Computer Science 2024-09-17 Xinmeng Huang , Shuo Li , Mengxin Yu , Matteo Sesia , Hamed Hassani , Insup Lee , Osbert Bastani , Edgar Dobriban

Textual explanations have proved to help improve user satisfaction on machine-made recommendations. However, current mainstream solutions loosely connect the learning of explanation with the learning of recommendation: for example, they are…

Information Retrieval · Computer Science 2021-01-26 Aobo Yang , Nan Wang , Hongbo Deng , Hongning Wang

We explore a new mechanism to explain polarization phenomena in opinion dynamics in which agents evaluate alternative views on the basis of the social feedback obtained on expressing them. High support of the favored opinion in the social…

Physics and Society · Physics 2018-10-22 Sven Banisch , Eckehard Olbrich

This study demonstrates whether financial text is useful for tactical asset allocation using stocks by using natural language processing to create polarity indexes in financial news. In this study, we performed clustering of the created…

Computational Engineering, Finance, and Science · Computer Science 2024-08-14 Rei Taguchi , Hiroki Sakaji , Kiyoshi Izumi

Hate speech classifiers exhibit substantial performance degradation when evaluated on datasets different from the source. This is due to learning spurious correlations between words that are not necessarily relevant to hateful language, and…

Computation and Language · Computer Science 2022-03-24 Tulika Bose , Nikolaos Aletras , Irina Illina , Dominique Fohr

Products reviews are one of the major resources to determine the public sentiment. The existing literature on reviews sentiment analysis mainly utilizes supervised paradigm, which needs labeled data to be trained on and suffers from…

Computation and Language · Computer Science 2017-05-30 Murtadha Talib AL-Sharuee , Fei Liu , Mahardhika Pratama

Automatic fact-checking systems detect misinformation, such as fake news, by (i) selecting check-worthy sentences for fact-checking, (ii) gathering related information to the sentences, and (iii) inferring the factuality of the sentences.…

Information Retrieval · Computer Science 2019-03-21 Casper Hansen , Christian Hansen , Stephen Alstrup , Jakob Grue Simonsen , Christina Lioma

We explore the properties of byte-level recurrent language models. When given sufficient amounts of capacity, training data, and compute time, the representations learned by these models include disentangled features corresponding to…

Machine Learning · Computer Science 2017-04-07 Alec Radford , Rafal Jozefowicz , Ilya Sutskever
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