Purpose The new ways to complete financial transactions have been developed by setting
up mobile payment (m-payment) platforms and such platforms to access banking in the …

Recent years have witnessed the rapid development of mobile services, spanning almost
every field. To characterize users and provide personalized and targeted services, user tag …

As a new format of mobile application, mini-programs, which function within a larger app and
are built with HTML, CSS, and JavaScript web technology, have become the way to do …

Amazon Alexa's booming third-party skill market has grown from 160 to 100,000 skills within
three years. In this work, we make the first effort in demystifying the Alexa skill permission …

Many of today's and tomorrow's smart cities will rely upon services and distributed systems
that will apply machine learning and artificial intelligence in their operational logic. These …

The Android permission system is a set of controls to regulate access to sensitive data and
resources (eg, camera). The fast evolving nature of Android permissions, coupled with …

To my fellow lab mates, Chaz, Gong, Kevin V, Panos, Rosa, Thanos1, Thanos2, Thomas,
Yizheng, and Zane, thank you for your support and camaraderie. A special thanks to Chaz …

Over the past few years, Android has been found to be the most prevalent operating system.
The increase in the adoption of Android by users has led to many security issues. The …

Tracking, the large-scale collection of data about user behaviour, is commonplace in mobile
apps. While some see tracking as a necessary evil to making apps available at lower prices …

The Android clipboard acts as a buffer storage space for storing and enabling user's
convenience for data transfer between multiple applications. However, this utility becomes …