Facebook is the largest social network and it’s widely used by everyone. Facebook consists of webpages designed in modular layouts. Assistive technologies such as screen readers not able interpret the content in complex layout to visually impaired (VI) users. This causes lots of troubles to VI users. In order to understand the impact of layout to VI users’ navigation behavior, we conducted a co...

Insecure cyber behavior of end users may expose their computers to cyber-attack. A first step to improve their cyber behavior is to identify their tendency toward insecure cyber behavior. Unfortunately, not much work has been done in this area. In particular, the relationship between end users cyber behavior and their personality traits is much less explored [27]. This paper presents a comprehe...

There is a large amount of interest in understanding users of social media in order to predict their behavior in this space. Despite this interest, user predictability in social media is not well-understood. To examine this question, we consider a network of fifteen thousand users on Twitter over a seven week period. We apply two contrasting modeling paradigms: computational mechanics and echo ...