In today’s world most of us depend on Social Media to communicate, express our feelings and share information with our friends. Social Media is the medium where now a day’s people feel free to express their emotions. Social Media collects the data in structured and unstructured, formal and informal data as users do not care about the spellings and accurate grammatical construction of a sentence...

Social networks are important in our offline and online life. In particular, networks that people form within certain communities can be critical for their engagement and growth in those communities. In this work, we analyze the growth of ego-networks for new employees of companies in LinkedIn, and study how the pattern of network formation in a company affects one’s growth and engagement in th...

This paper investigates the impact of IT consumerization on the internal IT department faced with managing it. IT consumerization is employees wanting to use their consumer devices (e.g., iPads, iPhone, SurfacePros) and applications (e.g., iCloud, LinkedIn) for work purposes. Using case studies of organizations in three different stages of consumerizing the workplace, the study highlights the d...

Nowadays, social networks such as Twitter, Facebook and LinkedIn become increasingly popular. In fact, they introduced new habits, new ways of communication and they collect every day several information that have different sources. Most existing research works focus on the analysis of homogeneous social networks, i.e. we have a single type of node and link in the network. However, in the real ...

One of the most remarkable cultural phenomena that blossomed in the Web 2.0 era are the social networking sites, such as Facebook, MySpace, Friendster, Bebo, Netlog or LinkedIn. The introduction of new communication channels facilitates interactive information sharing and collaboration between various actors over social networking sites. These actors, i.e. the providers and the users, do not al...

The arrival of social and collaborative software applications (e.g. Facebook, Hyves, and LinkedIn), known as Web 2.0 applications, has provided an opportunity for customers to express their opinions and share their knowledge and thoughts with others. While customers use Web 2.0 applications on daily basis, companies are struggling to embrace fully functioning Web 2.0 applications for their busi...

Piecing together social signals from people in different online social networks is key for downstream analytics. However, users may have different usernames in different social networks, making the linkage task difficult. To enable this, we explore a probabilistic approach that uses a domain-specific prior knowledge to address this problem of online social network user profile linkage. At scale...

Ranking systems are applied in many ways nowadays and have become a commodity to use when it comes to making decisions. Education is one of the most important parts of human life. Choosing a right place is crucial from many perspectives: quality of life, knowledge gained, post-graduation prospects. Making a right choice what institution to attend is based on many factors and is hard to make in ...

We consider a two-sample hypothesis testing problem, where the distributions are defined on the space of undirected graphs, and one has access to only one observation from each model. A motivating example for this problem is comparing the friendship networks on Facebook and LinkedIn. The practical approach to such problems is to compare the networks based on certain network statistics. In this ...

In the age of social media, online social networks (OSNs), such as Facebook, Twitter, or LinkedIn, are indispensable for the majority of Internet users. To some, OSNs are as essential to their lives as electricity. These platforms enable OSN users to share content including status updates, pictures videos, comments, tags, and messages, with other people. Although most OSNs have been frequently ...