The advent of high‐speed Internet connections has revolutionized the way research is being
carried out to obtain relevant information. Conversely, retrieving pertinent information from …

In multihop wireless systems, such as ad-hoc and sensor networks, the need for cooperation
among nodes to relay each other's packets exposes them to a wide range of security attacks …

Motivation Scientists increasingly rely on intelligent information systems to help them in their
daily tasks, in particular for managing research objects, like publications or datasets. The …

Twitter enjoys enormous popularity as a micro-blogging service largely due to its simplicity.
On the downside, there is little organization to the Twitterverse and making sense of the …

The Internet and the World Wide Web provide a way to store and share information,
especially in academic fields. Community-based research paper sharing systems, such as …

While recent progress has been achieved in understanding the structure and dynamics of
social tagging systems, we know little about the underlying user motivations for tagging, and …

The generation of novelty is central to any creative endeavor. Novelty generation and the
relationship between novelty and individual hedonic value have long been subjects of study …

Collaborative tagging systems have the potential to produce socially constructed information
organization schemes. The effectiveness of tags for finding and re-finding information …

Social bookmarking or tagging is the process of assigning and sharing among users, freely
selected terms to resources. This approach is a form of user-generated metadata and allows …

In the last few years, social media systems have experienced a fast growth. The amount of
content shared in these systems increases fast, leading users to face the well known …