The success of the Web is based largely on its open, decentralized nature; at the same time,
that allows for a wide range of perspectives and intentions. Trust is required to foster …

We present a comprehensive review of the most effective content-based e-mail spam
filtering techniques. We focus primarily on Machine Learning-based spam filters and their …

Email spam is one of the major problems of the today's Internet, bringing financial damage to
companies and annoying individual users. Among the approaches developed to stop spam …

The growth of Web-based social networking and the properties of those networks have
created great potential for producing intelligent software that integrates a user's social …

In the recent years, we have witnessed a dramatic increment in the volume of spam email.
Other related forms of spam are increasingly revealing as a problem of importance, specially …

Everyone on the Internet knows the buzzword social networking. Social networking services
(SNS) usually offer the same basic functionalities: network of friends listings, person surfing …

The Social Web (including services such as MySpace, Flickr, last. fm, and WordPress) has
captured the attention of millions of users as well as billions of dollars in investment and …

While most research on the topic of trust on the semantic web has focused largely on digital
signatures, certificates, and authentication, more social notions of trust which are reputation …

One of the core goals of the Semantic Web is to store data in distributed locations, and use
ontologies and reasoning to aggregate it. Social networking is a large movement on the …

Social networks have interesting properties. They influence our lives enormously without us
being aware of the implications they raise. The authors investigate the following areas …