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We use over 350,000 Yelp reviews on 5,000 restaurants to perform an ablation study on text preprocessing techniques. We also compare the effectiveness of several machine learning and deep learning models on predicting user sentiment…

Computation and Language · Computer Science 2020-04-30 Siqi Liu

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

We study the classification of animal behavior using accelerometry data through various recurrent neural network (RNN) models. We evaluate the classification performance and complexity of the considered models, which feature long short-time…

Machine Learning · Computer Science 2021-11-29 Liang Wang , Reza Arablouei , Flavio A. P. Alvarenga , Greg J. Bishop-Hurley

Neural machine translation (NMT) heavily relies on an attention network to produce a context vector for each target word prediction. In practice, we find that context vectors for different target words are quite similar to one another and…

Computation and Language · Computer Science 2019-11-14 Biao Zhang , Deyi Xiong , Jinsong Su

Automated sentiment analysis and opinion mining is a complex process concerning the extraction of useful subjective information from text. The explosion of user generated content on the Web, especially the fact that millions of users, on a…

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…

Computation and Language · Computer Science 2019-12-02 Abhishek Kumar , Asif Ekbal , Daisuke Kawahra , Sadao Kurohashi

Sentiment analysis can provide a suitable lead for the tools used in software engineering along with the API recommendation systems and relevant libraries to be used. In this context, the existing tools like SentiCR, SentiStrength-SE, etc.…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Himanshu Batra , Narinder Singh Punn , Sanjay Kumar Sonbhadra , Sonali Agarwal

Accurately detecting emotions in conversation is a necessary yet challenging task due to the complexity of emotions and dynamics in dialogues. The emotional state of a speaker can be influenced by many different factors, such as…

Computation and Language · Computer Science 2023-02-07 Jiachen Luo , Huy Phan , Joshua Reiss

In this article, how word embeddings can be used as features in Chinese sentiment classification is presented. Firstly, a Chinese opinion corpus is built with a million comments from hotel review websites. Then the word embeddings which…

Computation and Language · Computer Science 2015-11-06 Yiou Lin , Hang Lei , Jia Wu , Xiaoyu Li

Despite large-scale pre-trained language models have achieved striking results for text classificaion, recent work has raised concerns about the challenge of shortcut learning. In general, a keyword is regarded as a shortcut if it creates a…

Computation and Language · Computer Science 2023-07-06 Rui Song , Fausto Giunchiglia , Yingji Li , Hao Xu

This paper introduces the Semantic Propagation Graph Neural Network (SProp GNN), a machine learning sentiment analysis (SA) architecture that relies exclusively on syntactic structures and word-level emotional cues to predict emotions in…

Computation and Language · Computer Science 2025-01-14 Hubert Plisiecki

With the rapid growth of Text sentiment analysis, the demand for automatic classification of electronic documents has increased by leaps and bound. The paradigm of text classification or text mining has been the subject of many research…

Computation and Language · Computer Science 2018-06-19 Bijoyan Das , Sarit Chakraborty

Speech emotion recognition is a challenging task and an important step towards more natural human-machine interaction. We show that pre-trained language models can be fine-tuned for text emotion recognition, achieving an accuracy of 69.5%…

Audio and Speech Processing · Electrical Eng. & Systems 2019-12-06 Verena Heusser , Niklas Freymuth , Stefan Constantin , Alex Waibel

Text classification is an important and classical problem in natural language processing. There have been a number of studies that applied convolutional neural networks (convolution on regular grid, e.g., sequence) to classification.…

Computation and Language · Computer Science 2018-11-14 Liang Yao , Chengsheng Mao , Yuan Luo

Speech emotion recognition is a challenging task, and extensive reliance has been placed on models that use audio features in building well-performing classifiers. In this paper, we propose a novel deep dual recurrent encoder model that…

Computation and Language · Computer Science 2018-10-11 Seunghyun Yoon , Seokhyun Byun , Kyomin Jung

Text classification approaches have usually required task-specific model architectures and huge labeled datasets. Recently, thanks to the rise of text-based transfer learning techniques, it is possible to pre-train a language model in an…

Computation and Language · Computer Science 2019-06-10 Enkhbold Bataa , Joshua Wu

In recent years, there has been increased interest in building predictive models that harness natural language processing and machine learning techniques to detect emotions from various text sources, including social media posts,…

Computation and Language · Computer Science 2022-12-20 Sourabh Zanwar , Daniel Wiechmann , Yu Qiao , Elma Kerz

Do state-of-the-art natural language understanding models care about word order - one of the most important characteristics of a sequence? Not always! We found 75% to 90% of the correct predictions of BERT-based classifiers, trained on many…

Computation and Language · Computer Science 2021-07-27 Thang M. Pham , Trung Bui , Long Mai , Anh Nguyen

Aspect level sentiment classification aims to identify the sentiment expressed towards an aspect given a context sentence. Previous neural network based methods largely ignore the syntax structure in one sentence. In this paper, we propose…

Computation and Language · Computer Science 2019-09-09 Binxuan Huang , Kathleen M. Carley

This paper attempt to study the effectiveness of text representation schemes on two tasks namely: User Aggression and Fact Detection from the social media contents. In User Aggression detection, The aim is to identify the level of…

Information Retrieval · Computer Science 2019-04-19 Sandip Modha , Prasenjit Majumder
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