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Target-dependent sentiment classification remains a challenge: modeling the semantic relatedness of a target with its context words in a sentence. Different context words have different influences on determining the sentiment polarity of a…

计算与语言 · 计算机科学 2016-09-30 Duyu Tang , Bing Qin , Xiaocheng Feng , Ting Liu

This paper describes our deep learning-based approach to multilingual aspect-based sentiment analysis as part of SemEval 2016 Task 5. We use a convolutional neural network (CNN) for both aspect extraction and aspect-based sentiment…

计算与语言 · 计算机科学 2016-09-23 Sebastian Ruder , Parsa Ghaffari , John G. Breslin

Text categorization is the task of assigning labels to documents written in a natural language, and it has numerous real-world applications including sentiment analysis as well as traditional topic assignment tasks. In this paper, we…

计算与语言 · 计算机科学 2020-03-05 Changzeng Fu , Chaoran Liu , Carlos Toshinori Ishi , Yuichiro Yoshikawa , Hiroshi Ishiguro

LSTM or Long Short Term Memory Networks is a specific type of Recurrent Neural Network (RNN) that is very effective in dealing with long sequence data and learning long term dependencies. In this work, we perform sentiment analysis on a GOP…

计算与语言 · 计算机科学 2020-05-11 Karthik Gopalakrishnan , Fathi M. Salem

Sentiment Analysis of code-mixed text has diversified applications in opinion mining ranging from tagging user reviews to identifying social or political sentiments of a sub-population. In this paper, we present an ensemble architecture of…

计算与语言 · 计算机科学 2020-07-23 Ayush Kumar , Harsh Agarwal , Keshav Bansal , Ashutosh Modi

In this paper, we describe how we created two state-of-the-art SVM classifiers, one to detect the sentiment of messages such as tweets and SMS (message-level task) and one to detect the sentiment of a term within a submissions stood first…

计算与语言 · 计算机科学 2013-08-29 Saif M. Mohammad , Svetlana Kiritchenko , Xiaodan Zhu

Sentiment analysis as a sub-field of natural language processing has received increased attention in the past decade enabling organisations to more effectively manage their reputation through online media monitoring. Many drivers impact…

计算与语言 · 计算机科学 2021-06-21 Michelle Terblanche , Vukosi Marivate

Sentiment analysis is a vital tool for uncovering insights from financial articles, news, and social media, shaping our understanding of market movements. Despite the impressive capabilities of large language models (LLMs) in financial…

计算与语言 · 计算机科学 2023-06-23 Boyu Zhang , Hongyang Yang , Xiao-Yang Liu

Citation sentiment analysis is an important task in scientific paper analysis. Existing machine learning techniques for citation sentiment analysis are focusing on labor-intensive feature engineering, which requires large annotated corpus.…

计算与语言 · 计算机科学 2017-04-04 Haixia Liu

The rapid expansion of the electric vehicle (EV) industry has highlighted the importance of user feedback in improving product design and charging infrastructure. Traditional sentiment analysis methods often oversimplify the complexity of…

人工智能 · 计算机科学 2024-12-06 Shuhao Chen , Chengyi Tu

This paper describes the fifth year of the Sentiment Analysis in Twitter task. SemEval-2017 Task 4 continues with a rerun of the subtasks of SemEval-2016 Task 4, which include identifying the overall sentiment of the tweet, sentiment…

计算与语言 · 计算机科学 2019-12-03 Sara Rosenthal , Noura Farra , Preslav Nakov

This paper describes our submission to SemEval-2019 Task 7: RumourEval: Determining Rumor Veracity and Support for Rumors. We participated in both subtasks. The goal of subtask A is to classify the type of interaction between a rumorous…

计算与语言 · 计算机科学 2020-11-30 Ipek Baris , Lukas Schmelzeisen , Steffen Staab

Business sentiment analysis (BSA) is one of the significant and popular topics of natural language processing. It is one kind of sentiment analysis techniques for business purposes. Different categories of sentiment analysis techniques like…

计算与语言 · 计算机科学 2025-09-04 Md. Jahidul Islam Razin , Md. Abdul Karim , M. F. Mridha , S M Rafiuddin , Tahira Alam

This paper describes our contribution to SemEval-2020 Task 11: Detection Of Propaganda Techniques In News Articles. We start with simple LSTM baselines and move to an autoregressive transformer decoder to predict long continuous propaganda…

计算与语言 · 计算机科学 2020-07-28 Ilya Dimov , Vladislav Korzun , Ivan Smurov

The rapid growth of electronic communication has necessitated more robust systems for email classification and sentiment detection. This study presents a comparative performance analysis between traditional machine learning algorithms and…

The innovation of the study is that the deep learning method and sentiment analysis are integrated in traditional business model analysis and forecasting, and the research subject is TSMC for industry trend prediction of semiconductor…

机器学习 · 计算机科学 2025-11-20 Wei-hsiang Yen , Lyn Chao-ling Chen

This paper describes our system that has been submitted to SemEval-2018 Task 1: Affect in Tweets (AIT) to solve five subtasks. We focus on modeling both sentence and word level representations of emotion inside texts through large distantly…

计算与语言 · 计算机科学 2018-04-24 Ji Ho Park , Peng Xu , Pascale Fung

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

By capturing the prevailing sentiment and market mood, textual data has become increasingly vital for forecasting commodity prices, particularly in metal markets. However, the effectiveness of lightweight, finetuned large language models…

机器学习 · 计算机科学 2026-04-01 Alvaro Paredes Amorin , Andre Python , Christoph Weisser

There are multiple sources of financial news online which influence market movements and trader's decisions. This highlights the need for accurate sentiment analysis, in addition to having appropriate algorithmic trading techniques, to…

计算与语言 · 计算机科学 2024-03-20 Thanos Konstantinidis , Giorgos Iacovides , Mingxue Xu , Tony G. Constantinides , Danilo Mandic