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Biometrics technologies are gaining popularity today since they provide more reliable and efficient means of authentication and verification. Keystroke Dynamics is one of the famous biometric technologies, which will try to identify the…

Cryptography and Security · Computer Science 2009-10-06 D. Shanmugapriya , G. Padmavathi

Trajectory-User Linking (TUL) is a relatively new mobility classification task in which anonymous trajectories are linked to the users who generated them. With applications ranging from personalized recommendations to criminal activity…

Computers and Society · Computer Science 2022-12-15 Alameen Najjar , Kyle Mede

In this paper, a solution to the problem of Active Authentication using trace histories is addressed. Specifically, the task is to perform user verification on mobile devices using historical location traces of the user as a function of…

Computer Vision and Pattern Recognition · Computer Science 2017-04-10 Upal Mahbub , Rama Chellappa

This work, in a pioneering approach, attempts to build a biometric system that works purely based on the fluid mechanics governing exhaled breath. We test the hypothesis that the structure of turbulence in exhaled human breath can be…

Cryptography and Security · Computer Science 2024-12-17 Mukesh Karunanethy , Rahul Tripathi , Mahesh V Panchagnula , Raghunathan Rengaswamy

In this paper, we propose four continuous authentication designs by using the characteristics of arm movements while individuals walk. The first design uses acceleration of arms captured by a smartwatch's accelerometer sensor, the second…

Computer Vision and Pattern Recognition · Computer Science 2016-03-08 Rajesh Kumar , Vir V Phoha , Rahul Raina

This paper comprehensively surveys the development of trajectory clustering. Considering the critical role of trajectory data mining in modern intelligent systems for surveillance security, abnormal behavior detection, crowd behavior…

Computer Vision and Pattern Recognition · Computer Science 2018-02-21 Jiang Bian , Dayong Tian , Yuanyan Tang , Dacheng Tao

Cyber attacks has always been of a great concern. Websites and services with poor security layers are the most vulnerable to such cyber attacks. The attackers can easily access sensitive data like credit card details and social security…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Soumyatattwa Kar , Abhishek Bamotra , Bhavya Duvvuri , Radhika Mohanan

Clustering algorithms fundamentally group data points by characteristics to identify patterns. Over the past two decades, researchers have extended these methods to analyze trajectories of humans, animals, and vehicles, studying their…

Machine Learning · Computer Science 2025-12-17 Atieh Rahmani , Mansoor Davoodi , Justin M. Calabrese

Take-off and landing are the periods of a flight where aircraft are most vulnerable to a ground based rocket attack by terrorists. While aircraft approach and depart from airports on pre-defined flight paths, there is a degree of…

Applications · Statistics 2016-03-31 Willem J. Eerland , Simon Box

We propose a framework by which websites can coordinate to detect credential stuffing on individual user accounts. Our detection algorithm teases apart normal login behavior (involving password reuse, entering correct passwords into the…

Cryptography and Security · Computer Science 2021-03-05 Ke Coby Wang , Michael K. Reiter

Biometrics involves using unique human traits, both physical and behavioral, for the digital identification of individuals to provide access to systems, devices, or information. Within the field of computer science, it acts as a method for…

Cryptography and Security · Computer Science 2024-04-29 Sajjad Bhuiyan

Password authentication is a weak point for security as passwords are easily stolen and a user may ignore the security by using a simple password. Therefore, services increasingly demand a second factor. While this may enhance security, it…

Cryptography and Security · Computer Science 2024-07-24 Anastasia Dimaratos , Daniela Pöhn

In the past two decades, the number of mobile products being created by companies has grown exponentially. However, although these devices are constantly being upgraded with the newest features, the security measures used to protect these…

Cryptography and Security · Computer Science 2024-09-04 Laura Pryor , Rushit Dave , Naeem Seliya , Evelyn R Sowells Boone

Emerging technology demands reliable authentication mechanisms, particularly in interconnected systems. Current systems rely on a single moment of authentication, however continuous authentication systems assess a users identity utilizing a…

Cryptography and Security · Computer Science 2019-03-11 Rasana Manandhar , Shaya Wolf , Mike Borowczak

In this paper we propose a framework for identifying patterns and regularities in the pseudo-anonymized Call Data Records (CDR) pertaining a generic subscriber of a mobile operator. We face the challenging task of automatically deriving…

Data Structures and Algorithms · Computer Science 2017-11-23 Filippo Maria Bianchi , Antonello Rizzi , Alireza Sadeghian , Corrado Moiso

A highly secure, foolproof, user authentication system is still a primary focus of research in the field of User Privacy and Security. Shoulder-surfing is an act of spying when an authorized user is logging into a system, and is promoted by…

Human-Computer Interaction · Computer Science 2018-03-22 Vijay Rajanna , Tracy Hammond

Session identification is a common strategy used to develop metrics for web analytics and behavioral analyses of user-facing systems. Past work has argued that session identification strategies based on an inactivity threshold is inherently…

Human-Computer Interaction · Computer Science 2019-08-06 Aaron Halfaker , Os Keyes , Daniel Kluver , Jacob Thebault-Spieker , Tien Nguyen , Kenneth Shores , Anuradha Uduwage , Morten Warncke-Wang

Human mobility demonstrates a high degree of regularity, which facilitates the discovery of lifestyle profiles. Existing research has yet to fully utilize the regularities embedded in high-order features extracted from human mobility…

Machine Learning · Computer Science 2023-12-04 Yeshuo Shu , Gangcheng Zhang , Keyi Liu , Jintong Tang , Liyan Xu

Human mobility clustering is an important problem for understanding human mobility behaviors (e.g., work and school commutes). Existing methods typically contain two steps: choosing or learning a mobility representation and applying a…

Machine Learning · Computer Science 2023-01-23 Haoji Hu , Haowen Lin , Yao-Yi Chiang

As people's daily life becomes increasingly inseparable from various mobile electronic devices, relevant service application platforms and network operators can collect numerous individual information easily. When releasing these data for…

Cryptography and Security · Computer Science 2023-08-01 Wanshu Yu , Haonan Shi , Hongyun Xu
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