Ilaria Liccardi

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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 Friend of a Friend (FOAF) ontology is a vocabulary for mapping social networks. In this paper we propose an extension to FOAF in order to allow it to model learners and their social networks. We analyse FOAF alongside different learner modeling standards and specifications, and based on this analysis we introduce a taxonomy of the different features(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)
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)
We review current technical and social barriers to COPPA compliance for popular online services aimed at children. We show that complying with COPPA has proven difficult for developers, even when a genuine attempt was made. We investigate reasons for this lack of compliance and identify common causes: specifically, difficulties obtaining verifiable parental(More)
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)
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)