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In this work we propose a novel representation learning model which computes semantic representations for tweets accurately. Our model systematically exploits the chronologically adjacent tweets ('context') from users' Twitter timelines for…

计算与语言 · 计算机科学 2016-12-20 Ganesh J , Manish Gupta , Vasudeva Varma

We present the checkpoint ensembles method that can learn ensemble models on a single training process. Although checkpoint ensembles can be applied to any parametric iterative learning technique, here we focus on neural networks. Neural…

机器学习 · 计算机科学 2017-10-11 Hugh Chen , Scott Lundberg , Su-In Lee

Understanding temporal information and how the visual world changes over time is a fundamental ability of intelligent systems. In video understanding, temporal information is at the core of many current challenges, including compression,…

计算机视觉与模式识别 · 计算机科学 2019-10-31 Laura Sevilla-Lara , Shengxin Zha , Zhicheng Yan , Vedanuj Goswami , Matt Feiszli , Lorenzo Torresani

Time series prediction is an important problem in machine learning. Previous methods for time series prediction did not involve additional information. With a lot of dynamic knowledge graphs available, we can use this additional information…

机器学习 · 计算机科学 2020-07-14 Sankalp Garg , Navodita Sharma , Woojeong Jin , Xiang Ren

Maintaining the integrity of long-term data collection is an essential scientific practice. As a field evolves, so too will that field's measurement instruments and data storage systems, as they are invented, improved upon, and made…

Human trajectory forecasting is a critical challenge in fields such as robotics and autonomous driving. Due to the inherent uncertainty of human actions and intentions in real-world scenarios, various unexpected occurrences may arise. To…

计算机视觉与模式识别 · 计算机科学 2024-01-09 Yuxin Yang , Pengfei Zhu , Mengshi Qi , Huadong Ma

While numerical weather prediction (NWP) models are essential for forecasting thunderstorms hours in advance, NWP uncertainty, which increases with lead time, limits the predictability of thunderstorm occurrence. This study investigates how…

大气与海洋物理 · 物理学 2025-02-20 Kianusch Vahid Yousefnia , Tobias Bölle , Christoph Metzl

Analyzing the ever-increasing volume of posts on social media sites such as Facebook and Twitter requires improved information processing methods for profiling authorship. Document classification is central to this task, but the performance…

社会与信息网络 · 计算机科学 2020-11-19 Kamran Kowsari , Mojtaba Heidarysafa , Tolu Odukoya , Philip Potter , Laura E. Barnes , Donald E. Brown

The scarcity and class imbalance of training data are known issues in current rumor detection tasks. We propose a straight-forward and general-purpose data augmentation technique which is beneficial to early rumor detection relying on event…

计算与语言 · 计算机科学 2019-07-17 Sooji Han , Jie Gao , Fabio Ciravegna

In this study, we propose a novel iterative refinement approach to predict the popularity score of the social media meta-data effectively. With the rapid growth of the social media on the Internet, how to adequately forecast the view count…

Microblogging platforms such as Twitter are increasingly being used in event detection. Existing approaches mainly use machine learning models and rely on event-related keywords to collect the data for model training. These approaches make…

信息检索 · 计算机科学 2019-12-03 Akansha Bhardwaj , Jie Yang , Philippe Cudré-Mauroux

This paper introduces a temporal framework for detecting and clustering emergent and viral topics on social networks. Endogenous and exogenous influence on developing viral content is explored using a clustering method based on the a user's…

社会与信息网络 · 计算机科学 2018-11-20 Abbas Ehsanfar , Mo Mansouri

Crowd predictions have demonstrated powerful performance in predicting future events. We aim to understand crowd prediction efficacy in ascertaining the veracity of human emotional expressions. We discover that collective discernment can…

人机交互 · 计算机科学 2018-08-17 Zhenyue Qin , Tom Gedeon , Sabrina Caldwell

Social media users give rise to social trends as they share about common interests, which can be triggered by different reasons. In this work, we explore the types of triggers that spark trends on Twitter, introducing a typology with…

信息检索 · 计算机科学 2014-03-07 Arkaitz Zubiaga , Damiano Spina , Raquel Martínez , Víctor Fresno

Predictive analysis of social media data has attracted considerable attention from the research community as well as the business world because of the essential and actionable information it can provide. Over the years, extensive…

社会与信息网络 · 计算机科学 2023-09-04 Ugur Kursuncu , Manas Gaur , Usha Lokala , Krishnaprasad Thirunarayan , Amit Sheth , I. Budak Arpinar

The article describes the approaches for forming different predictive features of tweet data sets and using them in the predictive analysis for decision-making support. The graph theory as well as frequent itemsets and association rules…

计算与语言 · 计算机科学 2022-01-07 Bohdan M. Pavlyshenko

The evolutionary processes of complex systems contain critical information regarding their functional characteristics. The generation time of edges provides insights into the historical evolution of various networked complex systems, such…

人工智能 · 计算机科学 2025-01-14 En Xu , Can Rong , Jingtao Ding , Yong Li

Retweet prediction is a challenging problem in social media sites (SMS). In this paper, we study the problem of image retweet prediction in social media, which predicts the image sharing behavior that the user reposts the image tweets from…

信息检索 · 计算机科学 2018-10-25 Zhou Zhao , Hanbing Zhan , Lingtao Meng , Jun Xiao , Jun Yu , Min Yang , Fei Wu , Deng Cai

Forecasting innovation, intended as the emergence of new technological combinations, is a fundamental challenge for science and policy. We show that forthcoming combinations leave an early trace in the collective language of patents, with…

User engagement refers to the amount of interaction an instance (e.g., tweet, news, and forum post) achieves. Ranking the items in social media websites based on the amount of user participation in them, can be used in different…

信息检索 · 计算机科学 2015-01-30 Hamed Zamani , Azadeh Shakery , Pooya Moradi