Security risks in computer-communication systems

1997 ◽  
Vol 15 (1) ◽  
pp. 15-18
Author(s):  
Peter Neumann
Author(s):  
Riu Hu ◽  
Shuyan Wang

Online learning, which was defined as a learning environment using computer communication systems for learning delivery and interaction (Harasim, 1990), has been involved into all facets of society’s education. Online learning can be considered as a subset of the category of e-learning because it refers specifically to learning that is occurring via the Internet or Intranet. Online learning environment normally refers to learning via electronic communications, coursework, and/or information posted on the Web, and through other instructional activities by using Internet.


Author(s):  
S. Vakulenko ◽  
M. Zimin

This paper considers specially organized networks of large size. They can serve as models of computer communication systems, economical systems, neural and genetic networks. The topology of this network is simple and the analysis of the network behaviour is an analytically tractable task, while computer simulations are difficult. The authors show that such networks generate any structurally stable attractors in particular chaotic and periodic. They can simulate all Turing machines, that is, perform any computations. In noisy cases, the reliability of such network is exponentially high as a function of network size and has a maximum for an optimal network size.


1977 ◽  
Vol SE-3 (4) ◽  
pp. 290-295 ◽  
Author(s):  
K.M. Chandy ◽  
J. Hogarth ◽  
C.H. Sauer

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