Online social networks (OSN) are a permanent presence in today's personal and
professional lives of a huge segment of the population, with direct consequences to offline …

Purpose Data protection requirements heavily increased due to the rising awareness of data
security, legal requirements and technological developments. Today, NoSQL databases are …

Online social networks (OSNs) are becoming more and more prevalent in people's life, but
they face the problem of privacy leakage due to the centralized data management …

Featured Application Controlling access to a large set of medical and social media data
processed in a cloud environment using open-source Hadoop storage and Spark parallel …

In the recent years, popularity and number of users of mobile social networks have grown
significantly. Due to different types of communication on these networks, users share a lot of …

Privacy leakage resulting from information sharing in online social networks (OSNs) is a
serious concern for individuals. One of the culprits behind the problem is that existing …

Traditionally, access control solutions have focused on how to utilize a specific type of
decision parameter for access control decisions. While these “decision parameter”-focused …

Online Social Networks (OSNs) incorporate different forms of interactive communication,
including microblogging services, multimedia sharing, business networking, and so on. They …

Internet of underwater things (IoUT) is an emerging technique with widespread applications.
In such type of systems, efficient and secure use of network resources remains to be a …

Online social networks are indispensable platforms where people share personal data from
their daily lives. However, social sharing raises many privacy issues. One of the most …