Exploiting Graph Properties for Decentralized Reputation Systems

In online communities, users frequently interact with strangers in order to buy and sell products, watch videos, educating themselves, and playing games. Establishing trust among strangers is essential for the functionality of these communities but challenging, as well. Online reputation systems effectively establish trust among strangers by...

Robustness and Optimization of Complex Networks: Reconstructability, Algorithms and Modeling

The infrastructure networks, including the Internet, telecommunication networks, electrical power grids, transportation networks (road, railway, waterway, and airway networks), gas networks and water networks, are becoming more and more complex. The complex infrastructure networks are crucial to our human society, and it has been a hot research ...

Mechanisms for Self-organizing Ad Hoc Grids

Resources contributed in ad hoc grids are volatile, unreliable and non-dedicated. Furthermore, resource owners contribute resources according to their own use and access policies. This phenomenon necessitates the study of the mechanisms that enable the ad hoc grid to modify its infrastructure in an autonomous way according to varying resource...

Entrepreneurial Networks of University Spin-offs: How Social Networks Affect the Growth of Firms

Knowledge can be valorized in many different ways. University spin-offs have proven to be very effective as the knowledge generated in a university or research institute is directly translated into commercial activities. In addition, university spin-offs have played an important role in the economic and innovation growth of the region. While...