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The global popularity of microblogs has led to an increasing accumulation of large volumes of text data on microblogging platforms such as Twitter. These corpora are untapped resources to understand social expressions on diverse subjects.…

信息检索 · 计算机科学 2018-11-15 Tharindu Rukshan Bandaragoda , Daswin De Silva , Damminda Alahakoon

This paper focuses on sentiment mining and sentiment correlation analysis of web events. Although neural network models have contributed a lot to mining text information, little attention is paid to analysis of the inter-sentiment…

计算与语言 · 计算机科学 2018-11-27 Xinzhi Wang , Shengcheng Yuan , Hui Zhang , Yi Liu

The detection of events from online social networks is a recent, evolving field that attracts researchers from across a spectrum of disciplines and domains. Here we report a time-series analysis for predicting events. In particular, we…

社会与信息网络 · 计算机科学 2021-11-10 Izzat Alsmadi , Michael O'Brien

We study the relationship between the sentiment levels of Twitter users and the evolving network structure that the users created by @-mentioning each other. We use a large dataset of tweets to which we apply three sentiment scoring…

社会与信息网络 · 计算机科学 2016-04-13 Nathaniel Charlton , Colin Singleton , Danica Vukadinović Greetham

Recently, sentiment analysis has seen remarkable advance with the help of pre-training approaches. However, sentiment knowledge, such as sentiment words and aspect-sentiment pairs, is ignored in the process of pre-training, despite the fact…

计算与语言 · 计算机科学 2020-05-21 Hao Tian , Can Gao , Xinyan Xiao , Hao Liu , Bolei He , Hua Wu , Haifeng Wang , Feng Wu

With the advancement of web technology and its growth, there is a huge volume of data present in the web for internet users and a lot of data is generated too. Internet has become a platform for online learning, exchanging ideas and sharing…

计算与语言 · 计算机科学 2016-11-04 Vishal. A. Kharde , Prof. Sheetal. Sonawane

In recent years, deep learning systems have shown a concerning trend toward increased complexity and higher energy consumption. As researchers in this domain and organizers of one of the Detection and Classification of Acoustic Scenes and…

音频与语音处理 · 电气工程与系统科学 2024-01-18 Francesca Ronchini , Romain Serizel

Structured Sentiment Analysis (SSA) deals with extracting opinion tuples in a text, where each tuple (h, e, t, p) consists of h, the holder, who expresses a sentiment polarity p towards a target t through a sentiment expression e. While…

计算与语言 · 计算机科学 2022-05-03 Raghav R , Adarsh Vemali , Rajdeep Mukherjee

An increasing number of people are using online social networking services (SNSs), and a significant amount of information related to experiences in consumption is shared in this new media form. Text mining is an emerging technique for…

计算与语言 · 计算机科学 2016-11-18 Eun Hee Ko , Diego Klabjan

Driven by the abundance of biomedical publications, we introduce a sentiment analysis task to understand food-health relationship. Prior attempts to incorporate health into recipe recommendation and analysis systems have primarily focused…

计算与语言 · 计算机科学 2024-03-14 Julio Christian Young , Uchenna Akujuobi

Recent high-profile cyber attacks exemplify why organizations need better cyber defenses. Cyber threats are hard to accurately predict because attackers usually try to mask their traces. However, they often discuss exploits and techniques…

计算与语言 · 计算机科学 2019-02-05 Ashok Deb , Kristina Lerman , Emilio Ferrara

The increasing pervasiveness of social media creates new opportunities to study human social behavior, while challenging our capability to analyze their massive data streams. One of the emerging tasks is to distinguish between different…

社会与信息网络 · 计算机科学 2017-03-07 Emilio Ferrara , Mohsen JafariAsbagh , Onur Varol , Vahed Qazvinian , Filippo Menczer , Alessandro Flammini

One of the fundamental challenges in the prediction of dynamic agents is robustness. Usually, most predictions are deterministic estimates of future states which are over-confident and prone to error. Recently, few works have addressed…

机器人学 · 计算机科学 2023-05-29 Anshul Nayak , Azim Eskandarian , Zachary Doerzaph , Prasenjit Ghorai

Time Series Event Detection (TSED) aims to localize semantically meaningful events in time series data, with critical applications in high-stakes domains. Unlike statistical anomalies, events are often defined by natural-language…

机器学习 · 计算机科学 2026-05-27 Sky Chenwei Wan , Yifei Y. Wang , Tianjun Hou , Xiqing Chang , Aymeric Jan

We propose and study the integration of sentiment analysis and deep reinforcement learning ensemble algorithms for stock trading by evaluating strategies capable of dynamically altering their active agent given the concurrent market…

交易与市场微观结构 · 定量金融 2024-11-21 Andrew Ye , James Xu , Vidyut Veedgav , Yi Wang , Yifan Yu , Daniel Yan , Ryan Chen , Vipin Chaudhary , Shuai Xu

Hashtags are semantico-syntactic constructs used across various social networking and microblogging platforms to enable users to start a topic specific discussion or classify a post into a desired category. Segmenting and linking the…

信息检索 · 计算机科学 2015-01-15 Piyush Bansal , Romil Bansal , Vasudeva Varma

Quantifying uncertainty in weather forecasts is critical, especially for predicting extreme weather events. This is typically accomplished with ensemble prediction systems, which consist of many perturbed numerical weather simulations, or…

机器学习 · 计算机科学 2021-03-17 Peter Grönquist , Chengyuan Yao , Tal Ben-Nun , Nikoli Dryden , Peter Dueben , Shigang Li , Torsten Hoefler

Event cameras are neuromorphic sensors that capture asynchronous and sparse event stream when per-pixel brightness changes. The state-of-the-art processing methods for event signals typically aggregate events into a frame or a grid.…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Beibei Yang , Weiling Li , Yan Fang

As the impact of technology on our lives is increasing, we witness increased use of social media that became an essential tool not only for communication but also for sharing information with community about our thoughts and feelings. This…

计算与语言 · 计算机科学 2023-05-10 Ilija Tavchioski , Marko Robnik-Šikonja , Senja Pollak

Understanding complex user behaviour under various conditions, scenarios and journeys can be fundamental to the improvement of the user-experience for a given system. Predictive models of user reactions, responses -- and in particular,…

人机交互 · 计算机科学 2016-08-11 Mohamed Mostafa , Tom Crick , Ana C. Calderon , Giles Oatley
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