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Description
Modern curriculum requires students to purchase expensive handheld calculators, which has created a market with little competition or incentive for improvement. The purpose of this project was to create a competitive free alternative to be used outside the classroom for those who do not have the economic stability to purchase,

Modern curriculum requires students to purchase expensive handheld calculators, which has created a market with little competition or incentive for improvement. The purpose of this project was to create a competitive free alternative to be used outside the classroom for those who do not have the economic stability to purchase, for example, a TI-82, which costs approximately $100. Calculat3d is an Android application that matches the general-purpose functionality of the TI-82, including calculations, basic statistical functions, graphing, and creating programs. Additionally, a programming language and interpreter were created so programs can be written inside Calculat3d and be used alongside calculations, thus expanding the functionality of the calculator. Graphing functionality is also included in Calculat3d but expanded to three dimensions as opposed to the two-dimension limited TI calculator.
ContributorsEverhart, Ryan Matthew (Author) / Hansford, Dianne (Thesis director) / Bazzi, Rida (Committee member) / Computer Science and Engineering Program (Contributor) / Barrett, The Honors College (Contributor)
Created2018-05
Description
On Android, existing security procedures require apps to request permissions for access to sensitive resources.

Only when the user approves the requested permissions will the app be installed.

However, permissions are an incomplete security mechanism.

In addition to a user's limited understanding of permissions, the mechanism does not account for the possibility that

On Android, existing security procedures require apps to request permissions for access to sensitive resources.

Only when the user approves the requested permissions will the app be installed.

However, permissions are an incomplete security mechanism.

In addition to a user's limited understanding of permissions, the mechanism does not account for the possibility that different permissions used together have the ability to be more dangerous than any single permission alone.

Even if users did understand the nature of an app's requested permissions, this mechanism is still not enough to guarantee that a user's information is protected.

Applications can potentially send or receive sensitive information from other applications without the required permissions by using intents.

In other words, applications can potentially collaborate in ways unforeseen by the user, even if the user understands the permissions of each app independently.

In this thesis, we present several graph-based approaches to address these issues.

We determine the permissions of an app and generate scores based on our assigned value of certain resources.

We analyze these scores overall, as well as in the context of the app's category as determined by Google Play.

We show that these scores can be used to identify overzealous apps, as well as apps that do not properly fit within their category.

We analyze potential interactions between different applications using intents, and identify several promiscuous apps with low permission scores, showing that permissions alone are not sufficient to evaluate the security risks of an app.

Our analyses can form the basis of a system to assist users in identifying apps that can potentially compromise user privacy.
ContributorsGibson, Aaron (Author) / Bazzi, Rida (Thesis advisor) / Ahn, Gail-Joon (Committee member) / Walker, Erin (Committee member) / Arizona State University (Publisher)
Created2015
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DescriptionThe goal of this study is to equip administrators and instructors with a deeper understanding of the apparent cheating problem in Computer Science courses, with proposed solutions to lower academic dishonesty from the students’ perspective.
ContributorsAl Yasari, Farah (Co-author) / Alyasari, Farah (Co-author) / Tadayon-Navabi, Farideh (Thesis director) / Bazzi, Rida (Committee member) / Computer Science and Engineering Program (Contributor) / Barrett, The Honors College (Contributor)
Created2019-05