Open Access. Powered by Scholars. Published by Universities.®

Digital Commons Network

Open Access. Powered by Scholars. Published by Universities.®

Articles 1 - 3 of 3

Full-Text Articles in Entire DC Network

Authentication Usability Methodology, Jean-Baptiste Subils Oct 2019

Authentication Usability Methodology, Jean-Baptiste Subils

USF Tampa Graduate Theses and Dissertations

Nowadays many systems require end users to authenticate themselves. Authentication is one of the security activities that end users perform the most. Thus, the usability of this security feature plays a major role in the proper utilization and adoption of a novel authentication method.

This dissertation presents coauthentication, a novel authentication system. Many authentication methods and protocols exist, but passwords remain the predominant authentication method used. Coauthentication is presented here in detail in several possible variations and their associated protocols, with performance comparisons.

This dissertation also presents a framework to evaluate authentication methods in terms of usability.

A large body …


Essays On Cloud Computing Analytics, Vivek Kumar Singh Mar 2019

Essays On Cloud Computing Analytics, Vivek Kumar Singh

USF Tampa Graduate Theses and Dissertations

This dissertation research focuses on two key aspects of cloud computing research – pricing and security using data-driven techniques such as deep learning and econometrics. The first dissertation essay (Chapter 1) examines the adoption of spot market in cloud computing and builds IT investment estimation models for organizations adopting cloud spot market. The second dissertation essay (Chapter 2 and 3) studies proactive threat detection and prediction in cloud computing. The final dissertation essay (Chapter 4) develops a secured cloud files system which protects organizations using cloud computing in accidental data leaks.


The Effect Of Website Quality On Repurchase Intention With The Mediation Of Perceived Value: The Case Study Of Online Travel Agencies In Vietnam, Huyen Pham, Thu Nguyen Mar 2019

The Effect Of Website Quality On Repurchase Intention With The Mediation Of Perceived Value: The Case Study Of Online Travel Agencies In Vietnam, Huyen Pham, Thu Nguyen

Journal of Global Business Insights

The sharing economy is getting broader with its non-ownership assets, better use of resources, lower prices, and more customized products (Belk, 2014). In tourism industry, the development of the sharing economy involved the emergence of online travel agencies (OTAs) who are intermediates between services providers and consumers, provide accommodations, transport services, food and beverages services, tour guide services, etc. (Skalska, 2017). Recently, Vietnam has experienced a rapid growth in the number of users booking tourism products and services through OTAs. Playing such an important role in the tourism market, it is essential for OTAs to retain customers which later bring …