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The aim of this research is to investigate the role of social networks in computer science education. The Internet shows great potential for enhancing collaboration between people and the role of social software has become increasingly relevant in recent years. This research focuses on analyzing the role that social networks play in students' learning(More)
Crucial to effective collaborative writing is knowledge of what other people are doing and have done, what meaningful changes are made to a document, who is editing each section of a document and why. This is because awareness of individual and group activities is critical to successful collaboration. This paper presents the problems that surround(More)
Most Semantic Web data visualization tools structure the representation according to the concept definitions and interrelations that constitute the ontology's vocabulary. Instances are often treated as somewhat peripheral information, when considered at all. These instances, that populate ontologies, represent an essential part of any knowledge base, and(More)
The aim of this research was to understand what affects people's privacy preferences in smartphone apps. We ran a four-week study in the wild with 34 participants. Participants were asked to answer questions, which were used to gather their personal context and to measure their privacy preferences by varying app name and purpose of data collection. Our(More)
Smartphones are being used for a wide range of activities including messaging, social networking, calendar and contact management as well as location and context-aware applications. The ubiquity of handheld computing technology has been found to be especially useful in disaster management and relief operations. Our focus is to enable developers to quickly(More)
Our personal information, habits, likes, and dislikes can be all deduced from our mobile devices. Safeguarding mobile privacy is therefore of great concern. Transparency and individual control are bedrock principles of privacy but it has been shown that it is difficult to make informed choices about which mobile apps to use. In order to understand the(More)
This paper investigates how Wikibooks authors collaborate to create high-quality books. We combined Information Retrieval and statistical techniques to examine the complete multi-year lifecycle of over 50 high-quality Wikibooks. We found that: 1. The presence of redundant material is negatively correlated with collaboration mechanisms; 2. For most books,(More)
When people install an Android app on their smartphone, they are required to accept all permissions requested by the app in order to proceed with installation. That is, the consent mechanism of the app market limits the user to a binary decision: either take it, or leave it. However, there is often little to no information about the purpose for accessing(More)