PURPOSE The Parent Peer Education program addresses a community-identified need to increase parent-child communication about sexuality, teen pregnancy prevention, and related issues. Community members are trained to lead workshops of peers on how to talk with their children about these topics. METHODS The program was pilot tested in 1997; three waves of workshops were conducted by 35 parent p...

OBJECTIVE To examine the association between peer crowd affiliation (e.g., Jocks, Populars, Burnouts, Brains) and adolescents' eating, exercise, and weight control behaviors. The roles of gender and ethnicity were also examined. METHOD Ethnically diverse adolescents (N = 705; 66% girls) completed the Peer Crowd Questionnaire, eating and exercise items from the Youth Risk Behavior Surveillance...

Because of scarce research, the effectiveness of substance abuse prevention in leisure settings remains unclear. In this study, we evaluated the effectiveness of a peer-led educational prevention measure with adolescent groups in unstructured leisure settings, which is a component of the complex German nationwide 'Na Toll!' campaign. Using a cluster-randomized two-group post-test-only design, w...

A major security threat to the normal use and legal sharing of peer-to-peer (P2P) resources is DDoS (distributed denial-of-service) attacks caused by file index poisoning. This type of attacks exploits the design vulnerability of P2P networks. By populating unprotected peers with poisoned file indexes, attacker can cause DDoS flooding attacks on arbitrary hosts, even outside of the P2P network....

1 Institute of Network Coding, The Chinese University of Hong Kong, Shatin, NT, Hong Kong 2 Information Security Center, State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, P.O. Box 145, Beijing 100876, China 3 Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen 518057, China 4 Shenzhen Key Laboratory of Network...

While advances in computer and communications technology have made the network ubiquitous, they have also rendered networked systems vulnerable to malicious attacks orchestrated from a distance. These attacks or intrusions start with attackers infiltrating a network through a vulnerable host and then launching further attacks on the local network or Intranet. Attackers rely on increasingly soph...

The current study examined the effects of a community-based, wholeschool peer victimization prevention program (WITS Primary Program), implemented from Grades 1 to 3, on trajectories of child-reported peer victimization and help-seeking and teacher-reported social-emotional adjustment from Grades 1 to 6. This quasi-experimental design followed a cohort of 432 children in 11 program and 6 compar...

This paper presents a framework for preventing both selfishness and denial-of-service attacks in peer-to-peer media streaming systems. Our framework, called Oversight, achieves prevention of these undesirable activities by running a separate peer-to-peer download rate enforcement protocol along with the underlying peer-to-peer media streaming protocol. This separate Oversight protocol enforces ...

O nly a few European scientific journals publish articles on respiratory infectious diseases and tuberculosis (TB). The European Respiratory Journal (ERJ) and Eurosurveillance are two examples with a different focus. Eurosurveillance, which is published by, but editorially independent from, the European Centre for Disease Prevention and Control (ECDC) is a European peer-reviewed scientific jour...