Workload characterization is a well-established discipline that plays a key role in many
performance engineering studies. The large-scale social behavior inherent in the …

The second edition of this bestseller provides a practical and accessible introduction to the
main concepts, foundation, and applications of Bayesian networks. This edition contains a …

Intrusion Detection System (IDS) acts as a defensive tool to detect the security attacks on the
web. IDS is a known methodology for detecting network‐based attacks but is still immature …

A large fraction of traffic on present-day Web servers is generated by bots—intelligent
agents able to traverse the Web and execute various advanced tasks. Since bots' activity …

Data available on the Web, such as financial data or public reviews, provides a competitive
advantage to companies able to exploit them. Web crawlers, a category of bot, aim at …

Web traffic on e-business sites is increasingly dominated by artificial agents (Web bots)
which pose a threat to the website security, privacy, and performance. To develop efficient …

Distributed denials of service (DDoS) attacks are recognized as one of the most damaging
attacks on the Internet security today. Recently, malicious web crawlers have been used to …

The paper addresses the problem of e-customer behavior characterization based on Web
server log data. We describe user sessions with the number of session features and aim to …

Web search engines have become indispensable tools for finding content. As the popularity
of the Web has increased, the efforts to exploit the Web for commercial, social, or political …

Crawler detection is always an important research topic in network security. With the
development of web technology, crawlers are constantly updating and changing, and their …