Random Walks-based Anomaly Detection (RWAD) is commonly used to identify anomalous
patterns in various applications. An intriguing characteristic of RWAD is that the input graph …

Structured p2p overlay networks, such as chord, Kademlia, CAN, pastry and tapastry allow
participant to generate multiple identities on shared physical node. This practice of Sybil …

Location-based social networks (LBSNs) have increased rapidly over the past several years
due to the proliferation of mobile devices. As people continue to use their phones …

Abstract In 1993, Dwork and Naor proposed using computational puzzles, a resource
burning mechanism, to combat spam email. In the ensuing three decades, resource burning …

In wireless sensor networks (WSNs), particular objectives are achieved by different routing
protocols which are efficient for specific situations. But, some limitations are owned by WSN …

Cloud Computing is a new computing model that distributes the computing missions on a
resource pool that includes a large amount of computing resources. More and more …

To defend against spam workers in crowdsourcing environments, the existing solutions
overlook the fact that a spam worker with guises can easily bypass the defense. To alleviate …

Social media becomes a common platform for millions of people to communicate with one
another online. However, some accounts and computer generated robots can greatly disrupt …

A challenging but intriguing problem associated with the modelling of opinion formation
dynamics is the inherent hardness of the abstraction of human behaviours in the presence of …

As a cost-effective model for solving problems, crowdsourcing has been widely applied in
various human intelligence tasks, such as data labeling, data translation, and prediction …