The rapid growth of modern long-distance communication technologiesboth in term of quality and quantity and the consequent emergenceof cyberspace in parallel with the real world, has led to new forms ofinequality which can be interpreted in three different ways. Using thethree-generation theory of social networks (Oral networks; Longdistancenetworks; and, Digital networks), one can make domesti...

background: long distance truck drivers (ldtds) and their sexual health risk behaviors have been associated with greater prevalence of sexually transmitted infections (stis), hiv and hepatitis virus transmission. however, there is no information about iranian ldtds' high-risk behaviors. the aim of this investigation was to estimate the prevalence of high-risk behaviors in iranian ldtds. methods...

Networks operating at 1 Gbit/s, 10 Gbit/s or even 100 Gbit/s and spanning several countries or states are now becoming commonplace. More and more users have to transfer routinely between multi-GB and multi-TB datasets over these gigabit networks. There is a growing range of application domains for such massive transfers including dataintensive Grids (e.g., in Particle Physics, Earth Observation...