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In this article, we present a survey of recent advances in passive human behaviour recognition in indoor areas using the channel state information (CSI) of commercial WiFi systems. Movement of human body causes a change in the wireless…

Artificial Intelligence · Computer Science 2017-08-25 Siamak Yousefi , Hirokazu Narui , Sankalp Dayal , Stefano Ermon , Shahrokh Valaee

In the era of rapid technological advancement, social media platforms such as Twitter (X) have emerged as indispensable tools for gathering consumer insights, capturing diverse opinions, and understanding public attitudes. This research…

Human-Computer Interaction · Computer Science 2025-10-23 S M Rakib Ul Karim , Rownak Ara Rasul , Tunazzina Sultana

In recent years, human activity recognition has garnered considerable attention both in industrial and academic research because of the wide deployment of sensors, such as accelerometers and gyroscopes, in products such as smartphones and…

Signal Processing · Electrical Eng. & Systems 2021-03-08 Bolu Oluwalade , Sunil Neela , Judy Wawira , Tobiloba Adejumo , Saptarshi Purkayastha

On social platforms like Twitter, strategic targeted attacks are becoming increasingly common, especially against vulnerable groups such as female journalists. Two key challenges in identifying strategic online behavior are the complex…

Social and Information Networks · Computer Science 2025-10-21 Yian Wang , Mukhilshankar Umashankar , Eshwar Chandrasekharan , Hari Sundaram

An important part of the information gathering and data analysis is to find out what people think about, either a product or an entity. Twitter is an opinion rich social networking site. The posts or tweets from this data can be used for…

Information Retrieval · Computer Science 2024-09-05 Dwarampudi Mahidhar Reddy , N V Subba Reddy , N V Subba Reddy

In this paper, we present computational models to predict Twitter users' attitude towards a specific brand through their personal and social characteristics. We also predict their likelihood to take different actions based on their…

Social and Information Networks · Computer Science 2017-04-18 Jalal Mahmud , Geli Fei , Anbang Xu , Aditya Pal , Michelle Zhou

Mimicking human ability to forecast future positions or interpret complex interactions in urban scenarios, such as streets, shopping malls or squares, is essential to develop socially compliant robots or self-driving cars. Autonomous…

Computer Vision and Pattern Recognition · Computer Science 2019-09-20 Matteo Lisotto , Pasquale Coscia , Lamberto Ballan

In this paper we address the following problem in web document and information retrieval (IR): How can we use long-term context information to gain better IR performance? Unlike common IR methods that use bag of words representation for…

Information Retrieval · Computer Science 2015-03-02 H. Palangi , L. Deng , Y. Shen , J. Gao , X. He , J. Chen , X. Song , R. Ward

Sentiment analysis on large-scale social media data is important to bridge the gaps between social media contents and real world activities including political election prediction, individual and public emotional status monitoring and…

Computation and Language · Computer Science 2018-08-08 Yuxiao Chen , Jianbo Yuan , Quanzeng You , Jiebo Luo

Decoding human activity accurately from wearable sensors can aid in applications related to healthcare and context awareness. The present approaches in this domain use recurrent and/or convolutional models to capture the spatio-temporal…

Human-Computer Interaction · Computer Science 2020-12-21 Satya P. Singh , Aimé Lay-Ekuakille , Deepak Gangwar , Madan Kumar Sharma , Sukrit Gupta

This paper investigates the interplay between different types of user interactions on Twitter, with respect to predicting missing or unseen interactions. For example, given a set of retweet interactions between Twitter users, how accurately…

Social and Information Networks · Computer Science 2019-04-26 Konstantinos Sotiropoulos , John W. Byers , Polyvios Pratikakis , Charalampos E. Tsourakakis

Rather than simply recognizing the action of a person individually, collective activity recognition aims to find out what a group of people is acting in a collective scene. Previ- ous state-of-the-art methods using hand-crafted potentials…

Computer Vision and Pattern Recognition · Computer Science 2017-09-21 Yongyi Tang , Peizhen Zhang , Jian-Fang Hu , Wei-Shi Zheng

With the emergence of social networking services, researchers enjoy the increasing availability of large-scale heterogenous datasets capturing online user interactions and behaviors. Traditional analysis of techno-social systems data has…

Social and Information Networks · Computer Science 2017-03-07 Yoon-Sik Cho , Greg Ver Steeg , Emilio Ferrara , Aram Galstyan

We present Long Short-term TRansformer (LSTR), a temporal modeling algorithm for online action detection, which employs a long- and short-term memory mechanism to model prolonged sequence data. It consists of an LSTR encoder that…

Computer Vision and Pattern Recognition · Computer Science 2021-12-23 Mingze Xu , Yuanjun Xiong , Hao Chen , Xinyu Li , Wei Xia , Zhuowen Tu , Stefano Soatto

Scientist learn early on how to cite scientific sources to support their claims. Sometimes, however, scientists have challenges determining where a citation should be situated -- or, even worse, fail to cite a source altogether.…

Computation and Language · Computer Science 2024-05-21 Tong Zeng , Daniel E. Acuna

Fake job postings have become prevalent in the online job market, posing significant challenges to job seekers and employers. Despite the growing need to address this problem, there is limited research that leverages deep learning…

Machine Learning · Computer Science 2023-04-06 Aravind Sasidharan Pillai

Early rumor detection (ERD) on social media platform is very challenging when limited, incomplete and noisy information is available. Most of the existing methods have largely worked on event-level detection that requires the collection of…

Social and Information Networks · Computer Science 2020-03-03 Jie Gao , Sooji Han , Xingyi Song , Fabio Ciravegna

Social media platforms such as Twitter have become a breeding ground for unverified information or rumors. These rumors can threaten people's health, endanger the economy, and affect the stability of a country. Many researchers have…

Computation and Language · Computer Science 2020-12-15 Yudianto Sujana , Jiawen Li , Hung-Yu Kao

Leveraging social media data to understand people's lifestyle choices is an exciting domain to explore but requires a multiview formulation of the data. In this paper, we propose a joint embedding model based on the fusion of neural…

Computation and Language · Computer Science 2021-04-19 Tunazzina Islam , Dan Goldwasser

Most approaches that model time-series data in human activity recognition based on body-worn sensing (HAR) use a fixed size temporal context to represent different activities. This might, however, not be apt for sets of activities with…

Computer Vision and Pattern Recognition · Computer Science 2018-05-22 Vishvak S Murahari , Thomas Ploetz
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