Exact(4)
Once the data items are collected, the question generation component generates challenge questions as follows.
"Challenge generates challenge," said Ismail Abu Shanab, a Hamas leader in Gaza, adding in reference to Prime Minister Ariel Sharon, "This operation is a lesson for Sharon, that despite whatever weapons they have, we can do such a thing".
In another similar approach, Terzis et al. [11] introduced a question based authentication scheme that generates challenge questions based on a user's behavior (context) that occur within a particular smart environment.
In this paper, we investigate the effect of challenge question style on users' performance for a location‐based authentication system where the system generates challenge questions by exploiting users' recent location information captured by smartphones.
Similar(56)
We aim to explore all these different data types for generating challenge questions in future.
Nishigaki and Koike [10] proposed to use user's email history to generate challenge questions.
Once the system identifies the various locations of a user, the next challenge is to generate challenge questions automatically.
Hence, an algorithm is needed to identify the "interesting" locations that are more appropriate for generating challenge questions.
Similarly, another work [18] used email activities to generate challenge questions (e.g., who sent you the most emails?).
A random number of correct answers are sampled from the user's recent music playlist history by using the algorithm presented in "Algorithm for generating challenge questions" section.
We developed an Android application that supports devices running Android 2.3 or higher to collect autobiographical user data, and then analyzes the collected data to generate challenge questions.
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