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Human trafficking is a serious social problem, and it is challenging mainly because of its difficulty in collecting and organizing related information. With the increasing popularity of social media platforms, it provides us a novel channel…

Social and Information Networks · Computer Science 2018-05-29 Yang Yang , Xia Hu , Haoyan Liu , Jiawei Zhang , Zhoujun Li , Philip S. Yu

There has been much effort on studying how social media sites, such as Twitter, help propagate information in different situations, including spreading alerts and SOS messages in an emergency. However, existing work has not addressed how to…

Social and Information Networks · Computer Science 2014-07-15 Kyumin Lee , Jalal Mahmud , Jilin Chen , Michelle Zhou , Jeffrey Nichols

Person re-identification (ReID) is now an active research topic for AI-based video surveillance applications such as specific person search, but the practical issue that the target person(s) may change clothes (clothes inconsistency…

Computer Vision and Pattern Recognition · Computer Science 2020-05-26 Fangbin Wan , Yang Wu , Xuelin Qian , Yixiong Chen , Yanwei Fu

The proliferation of misinformation, such as rumors on social media, has drawn significant attention, prompting various expressions of stance among users. Although rumor detection and stance detection are distinct tasks, they can complement…

Computation and Language · Computer Science 2025-02-14 Ruichao Yang , Jing Ma , Wei Gao , Hongzhan Lin

This paper presents an approach to tackle the re-identification problem. This is a challenging problem due to the large variation of pose, illumination or camera view. More and more datasets are available to train machine learning models…

Computer Vision and Pattern Recognition · Computer Science 2018-07-26 Matthieu Ospici , Antoine Cecchi

The proliferation of social network data has unlocked unprecedented opportunities for extensive, data-driven exploration of human behavior. The structural intricacies of social networks offer insights into various computational social…

Social and Information Networks · Computer Science 2024-01-03 Julie Jiang , Emilio Ferrara

Person re-identification has achieved great progress with deep convolutional neural networks. However, most previous methods focus on learning individual appearance feature embedding, and it is hard for the models to handle difficult…

Computer Vision and Pattern Recognition · Computer Science 2019-04-04 Yichao Yan , Qiang Zhang , Bingbing Ni , Wendong Zhang , Minghao Xu , Xiaokang Yang

Social media has become an important tool to share information about crisis events such as natural disasters and mass attacks. Detecting actionable posts that contain useful information requires rapid analysis of huge volume of data in…

Computation and Language · Computer Science 2020-11-03 Evangelia Spiliopoulou , Salvador Medina Maza , Eduard Hovy , Alexander Hauptmann

Human following is a crucial feature of human-robot interaction, yet it poses numerous challenges to mobile agents in real-world scenarios. Some major hurdles are that the target person may be in a crowd, obstructed by others, or facing…

Robotics · Computer Science 2023-09-25 Mario Srouji , Yao-Hung Hubert Tsai , Hugues Thomas , Jian Zhang

Twitter has been heavily used as an important channel for communicating and discussing about events in real-time. In such major events, many uninformative tweets are also published rapidly by many users, making it hard to follow the events.…

Computation and Language · Computer Science 2021-01-15 Renato Stoffalette João

Facial Recognition is a technique, based on machine learning technology that can recognize a human being analyzing his facial profile, and is applied in solving various types of realworld problems nowadays. In this paper, a common…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Abid Faisal Ayon , S M Maksudul Alam

Online multi-object tracking is a fundamental problem in time-critical video analysis applications. A major challenge in the popular tracking-by-detection framework is how to associate unreliable detection results with existing tracks. In…

Computer Vision and Pattern Recognition · Computer Science 2020-03-10 Long Chen , Haizhou Ai , Zijie Zhuang , Chong Shang

Social media such as tweets are emerging as platforms contributing to situational awareness during disasters. Information shared on Twitter by both affected population (e.g., requesting assistance, warning) and those outside the impact zone…

Information Retrieval · Computer Science 2017-05-08 Hien To , Sumeet Agrawal , Seon Ho Kim , Cyrus Shahabi

Existing person re-identification benchmarks and methods mainly focus on matching cropped pedestrian images between queries and candidates. However, it is different from real-world scenarios where the annotations of pedestrian bounding…

Computer Vision and Pattern Recognition · Computer Science 2017-04-07 Tong Xiao , Shuang Li , Bochao Wang , Liang Lin , Xiaogang Wang

Automated ways to extract stance (denying vs. supporting opinions) from conversations on social media are essential to advance opinion mining research. Recently, there is a renewed excitement in the field as we see new models attempting to…

Computation and Language · Computer Science 2020-06-30 Ramon Villa-Cox , Sumeet Kumar , Matthew Babcock , Kathleen M. Carley

Person re-identification has become a very popular research topic in the computer vision community owing to its numerous applications and growing importance in visual surveillance. Person re-identification remains challenging due to…

Computer Vision and Pattern Recognition · Computer Science 2023-11-30 Zongjing Cao , Hyo Jong Lee

On social media platforms, the act of predicting reposting is seen as a challenging issue related to Short Message Services (SMS). This study examines the issue of predicting picture reposting in SMS and forecasts users' behavior in sharing…

Social and Information Networks · Computer Science 2024-04-18 Yuvaraju Chinnam , Bosubabu Sambana

This paper proposes a pedestrian detection and re-identification (re-id) integration net (I-Net) in an end-to-end learning framework. The I-Net is used in real-world video surveillance scenarios, where the target person needs to be searched…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Zhenwei He , Lei Zhang , Wei Jia

Human computer conversation is regarded as one of the most difficult problems in artificial intelligence. In this paper, we address one of its key sub-problems, referred to as short text conversation, in which given a message from human,…

Information Retrieval · Computer Science 2014-09-01 Zongcheng Ji , Zhengdong Lu , Hang Li

An identity denotes the role an individual or a group plays in highly differentiated contemporary societies. In this paper, our goal is to classify Twitter users based on their role identities. We first collect a coarse-grained public…

Social and Information Networks · Computer Science 2020-03-05 Binxuan Huang , Kathleen M. Carley
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