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Twitter is a web application playing dual roles of online social networking and micro-blogging. The popularity and open structure of Twitter have attracted a large number of automated programs, known as bots. Legitimate bots generate a…

密码学与安全 · 计算机科学 2020-02-05 Feng Wei , Uyen Trang Nguyen

Computational models for sarcasm detection have often relied on the content of utterances in isolation. However, the speaker's sarcastic intent is not always apparent without additional context. Focusing on social media discussions, we…

计算与语言 · 计算机科学 2018-08-29 Debanjan Ghosh , Alexander R. Fabbri , Smaranda Muresan

There is a vast amount of data generated every second due to the rapidly growing technology in the current world. This area of research attempts to determine the feelings or opinions of people on social media posts. The dataset we used was…

计算与语言 · 计算机科学 2023-01-24 Keshav Kapur , Rajitha Harikrishnan

The utilization of social media material in journalistic workflows is increasing, demanding automated methods for the identification of mis- and disinformation. Since textual contradiction across social media posts can be a signal of…

计算与语言 · 计算机科学 2017-07-12 Piroska Lendvai , Uwe D. Reichel

Sentiment analysis has been widely used by businesses for social media opinion mining, especially in the financial services industry, where customers' feedbacks are critical for companies. Recent progress of neural network models has…

计算与语言 · 计算机科学 2020-05-26 Hanjie Chen , Yangfeng Ji

Understanding and solving complex reasoning tasks is vital for addressing the information needs of a user. Although dense neural models learn contextualised embeddings, they still underperform on queries containing negation. To understand…

计算与语言 · 计算机科学 2025-10-15 Roxana Petcu , Samarth Bhargav , Maarten de Rijke , Evangelos Kanoulas

Neural network-based methods are the state of the art in negation scope resolution. However, they often use the unrealistic assumption that cue information is completely accurate. Even if this assumption holds, there remains a dependency on…

计算与语言 · 计算机科学 2021-09-16 Daan de Jong

Sentiment Analysis is the task of classifying documents based on the sentiments expressed in textual form, this can be achieved by using lexical and semantic methods. The purpose of this study is to investigate the use of semantics to…

计算与语言 · 计算机科学 2020-09-02 Ukachi Osisiogu

Social media resurgence of antisocial behavior has exerted a downward spiral on stereotypical beliefs, and hateful comments towards individuals and social groups, as well as false or distorted news. The advances in graph neural networks…

计算与语言 · 计算机科学 2023-12-29 Martina Toshevska , Slobodan Kalajdziski , Sonja Gievska

Sentiment analysis is a well-known natural language processing task that involves identifying the emotional tone or polarity of a given piece of text. With the growth of social media and other online platforms, sentiment analysis has become…

计算与语言 · 计算机科学 2023-07-03 Mohammad Belal , James She , Simon Wong

We introduce a tree-structured attention neural network for sentences and small phrases and apply it to the problem of sentiment classification. Our model expands the current recursive models by incorporating structural information around a…

计算与语言 · 计算机科学 2017-01-10 Filippos Kokkinos , Alexandros Potamianos

Climate change has become one of the biggest challenges of our time. Social media platforms such as Twitter play an important role in raising public awareness and spreading knowledge about the dangers of the current climate crisis. With the…

计算与语言 · 计算机科学 2022-11-08 Apoorva Upadhyaya , Marco Fisichella , Wolfgang Nejdl

This paper presents a novel application of speech emotion recognition: estimation of the level of conversational engagement between users of a voice communication system. We begin by using machine learning techniques, such as the support…

声音 · 计算机科学 2007-05-23 Chen Yu , Paul M. Aoki , Allison Woodruff

Automatic response forecasting for news media plays a crucial role in enabling content producers to efficiently predict the impact of news releases and prevent unexpected negative outcomes such as social conflict and moral injury. To…

计算与语言 · 计算机科学 2023-10-23 Chenkai Sun , Jinning Li , Yi R. Fung , Hou Pong Chan , Tarek Abdelzaher , ChengXiang Zhai , Heng Ji

In multilingual societies like India, code-mixed social media texts comprise the majority of the Internet. Detecting the sentiment of the code-mixed user opinions plays a crucial role in understanding social, economic and political trends.…

计算与语言 · 计算机科学 2018-06-13 Madan Gopal Jhanwar , Arpita Das

Previous works of negation understanding mainly focus on negation cue detection and scope resolution, without identifying negation subject which is also significant to the downstream tasks. In this paper, we propose a new negation triplet…

计算与语言 · 计算机科学 2024-04-16 Yuchen Shi , Deqing Yang , Jingping Liu , Yanghua Xiao , Zongyu Wang , Huimin Xu

Networked environments shape how information embedded in narratives influences individual and group beliefs and behavior. This raises key questions about how group communication around narrative media impacts belief formation and how such…

社会与信息网络 · 计算机科学 2025-11-03 Abha Jha , J. Hunter Priniski , Carolyn Steinle , Fred Morstatter

Sarcasm detection is a key task for many natural language processing tasks. In sentiment analysis, for example, sarcasm can flip the polarity of an "apparently positive" sentence and, hence, negatively affect polarity detection performance.…

计算与语言 · 计算机科学 2017-07-28 Soujanya Poria , Erik Cambria , Devamanyu Hazarika , Prateek Vij

The amount of textual data generation has increased enormously due to the effortless access of the Internet and the evolution of various web 2.0 applications. These textual data productions resulted because of the people express their…

计算与语言 · 计算机科学 2020-11-20 Eftekhar Hossain , Omar Sharif , Mohammed Moshiul Hoque , Iqbal H. Sarker

Negation is a fundamental linguistic phenomenon that poses ongoing challenges for Large Language Models (LLMs), particularly in tasks requiring deep semantic understanding. Current benchmarks often treat negation as a minor detail within…

计算与语言 · 计算机科学 2026-04-21 Yeonkyoung So , Gyuseong Lee , Sungmok Jung , Joonhak Lee , JiA Kang , Sangho Kim , Jaejin Lee