Smartphone apps have changed the way we interact with online services, but highly specialized apps come at a cost to privacy. In this paper we will demonstrate that a passive eavesdropper is capable of identifying finegrained user activities within the wireless network traffic generated by apps. Despite the widespread use of fully encrypted communication, our technique, called NetScope, is base...

The paper presents a framework for the selection and ranking of activities proposed to users in a social networking service, as for example Facebook’s “social events”. Our proposal takes into account the peculiarities of this application area, considering a variety of factors including the spatiotemporal relations between activities and between activities and users, and the social opinions weig...

| August 2015 | 824 policy makers to increase the fi nancial allocation for routine and supplementary immunization activities; identifying potential donors to support the rubella elimination campaign; facilitating strategic mobilization of the available resources; improving the advocacy eff orts by developing an eff ective strategy; establishing and strengthening the outbreak preparedness respo...

At times the desire for specialized laboratory apparatus to support class activities outstrips the available resources. When this is the case the instructor must look for creative alternatives to help meet the desired objectives. This report examines how a virtual laboratory was created to model and analyze high-speed networking signals in a LAN class using a spreadsheet simulation. The student...

This paper reports on new agile approaches and methods for design modelling of collaborative networked enterprises, ranging from small manufacturing supply-chains to major public service organizations. Use-cases in selected fields have been implemented by agile modelling and holistic design of collaborative networking capabilities, and active knowledge architecture driven solutions. The active ...

INTRODUCTION Over a billion people are now users of Facebook1, the most popular social networking site today [2]. This astonishing statistic highlights growth and increasing importance of social media (SM), a term that embraces websites and applications that enable users to create and share content or to participate in social networking. Unsurprisingly, SM has become a staple of daily life for ...

It has become well known that the knowledge about key network members is essential for doing business successfully through online social networking sites. As of now, most studies targeted at identifying key members have used network structural centrality measures. Little emphasis has been placed on member activities to identify key members in a network; even though gathering and utilizing such ...