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Entity-level sentiment classification involves identifying the sentiment polarity linked to specific entities within text. This task poses several challenges: effectively modeling the subtle and complex interactions between entities and…

计算与语言 · 计算机科学 2025-10-14 Md. Mithun Hossain , Sanjara , Md. Shakil Hossain , Sudipto Chaki

Previous researchers have considered sentiment analysis as a document classification task, in which input documents are classified into predefined sentiment classes. Although there are sentences in a document that support important…

计算与语言 · 计算机科学 2021-03-10 Gihyeon Choi , Shinhyeok Oh , Harksoo Kim

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

Sentiment Analysis (SA) or opinion mining is analysis of emotions and opinions from any kind of text. SA helps in tracking peoples viewpoints and it is an important factor when it comes to social media monitoring product and brand…

计算与语言 · 计算机科学 2025-02-27 Gibson Nkhata , Usman Anjum , Justin Zhan

Sentiment analysis is a crucial task in natural language processing (NLP) with applications in public opinion monitoring, market research, and beyond. This paper introduces a three-class sentiment classification method for Weibo comments…

计算与语言 · 计算机科学 2024-12-24 Yin Qixuan

In this paper, we explore the use of pre-trained language models to learn sentiment information of written texts for speech sentiment analysis. First, we investigate how useful a pre-trained language model would be in a 2-step pipeline…

计算与语言 · 计算机科学 2021-06-15 Suwon Shon , Pablo Brusco , Jing Pan , Kyu J. Han , Shinji Watanabe

Integrated interpretability without sacrificing the prediction accuracy of decision making algorithms has the potential of greatly improving their value to the user. Instead of assigning a label to an image directly, we propose to learn…

机器学习 · 计算机科学 2021-04-13 Stephan Alaniz , Diego Marcos , Bernt Schiele , Zeynep Akata

Representations from large pretrained models such as BERT encode a range of features into monolithic vectors, affording strong predictive accuracy across a multitude of downstream tasks. In this paper we explore whether it is possible to…

计算与语言 · 计算机科学 2021-09-14 Xiongyi Zhang , Jan-Willem van de Meent , Byron C. Wallace

Citation sentimet analysis is one of the little studied tasks for scientometric analysis. For citation analysis, we developed eight datasets comprising citation sentences, which are manually annotated by us into three sentiment polarities…

计算与语言 · 计算机科学 2020-05-12 Vishal Vyas , Kumar Ravi , Vadlamani Ravi , V. Uma , Srirangaraj Setlur , Venu Govindaraju

Curriculum Learning (CL) is the idea that learning on a training set sequenced or ordered in a manner where samples range from easy to difficult, results in an increment in performance over otherwise random ordering. The idea parallels…

计算与语言 · 计算机科学 2020-07-23 Vijjini Anvesh Rao , Kaveri Anuranjana , Radhika Mamidi

Sentiment Analysis aims to get the underlying viewpoint of the text, which could be anything that holds a subjective opinion, such as an online review, Movie rating, Comments on Blog posts etc. This paper presents a novel approach that…

信息检索 · 计算机科学 2014-06-10 Rahul Tejwani

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

Contextual word embeddings obtained from pre-trained language model (PLM) have proven effective for various natural language processing tasks at the word level. However, interpreting the hidden aspects within embeddings, such as syntax and…

计算与语言 · 计算机科学 2023-10-10 Nayoung Choi

The study of public opinion can provide us with valuable information. The analysis of sentiment on social networks, such as Twitter or Facebook, has become a powerful means of learning about the users' opinions and has a wide range of…

计算与语言 · 计算机科学 2020-06-08 Nhan Cach Dang , María N. Moreno-García , Fernando De la Prieta

In this paper the task of emotion recognition from speech is considered. Proposed approach uses deep recurrent neural network trained on a sequence of acoustic features calculated over small speech intervals. At the same time special…

计算与语言 · 计算机科学 2018-07-06 Vladimir Chernykh , Pavel Prikhodko

Discourse structure is the hidden link between surface features and document-level properties, such as sentiment polarity. We show that the discourse analyses produced by Rhetorical Structure Theory (RST) parsers can improve document-level…

计算与语言 · 计算机科学 2015-09-14 Parminder Bhatia , Yangfeng Ji , Jacob Eisenstein

We introduce a deep memory network for aspect level sentiment classification. Unlike feature-based SVM and sequential neural models such as LSTM, this approach explicitly captures the importance of each context word when inferring the…

计算与语言 · 计算机科学 2016-09-27 Duyu Tang , Bing Qin , Ting Liu

This study addressed the complex task of sentiment analysis on a dataset of 119,988 original tweets from Weibo using a Convolutional Neural Network (CNN), offering a new approach to Natural Language Processing (NLP). The data, sourced from…

计算与语言 · 计算机科学 2023-07-14 Yufei Xie , Rodolfo C. Raga

Sentiment prediction remains a challenging and unresolved task in various research fields, including psychology, neuroscience, and computer science. This stems from its high degree of subjectivity and limited input sources that can…

计算与语言 · 计算机科学 2021-05-10 JongYoon Lim , Inkyu Sa , Ho Seok Ahn , Norina Gasteiger , Sanghyub John Lee , Bruce MacDonald

Sentiment analysis (SA) aims to identify the sentiment expressed in a text, such as a product review. Given a review and the sentiment associated with it, this work formulates SA as a combination of two tasks: (1) a causal discovery task…

计算与语言 · 计算机科学 2024-10-29 Zhiheng Lyu , Zhijing Jin , Fernando Gonzalez , Rada Mihalcea , Bernhard Schölkopf , Mrinmaya Sachan