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For timely detection of network connection fault, as well as the distinction between shutdown and network connection fault, this paper proposes a network connection fault detection model based on data fusion technology. According to this model, we have designed a fingerprinting attendance system-based network connection fault detection tool (NCFDT). Assuming that a PC powers on or off after it's user...
Advances in distributed system technology have created new possibilities for innovation in simulation and the creation of new tools and facilities that could improve the productivity of simulation. This paper describes a multi agents based collaborative simulation system for autonomous undersea vehicles. Multi-agent and the collaborative module of agents are used to resolve the problem of the existing...
Data cubes facilitate online analytical processing (OLAP) systems greatly. Ever since the Cube-by operator was introduced by Jim Gray in 1997, techniques for computing, compressing and efficiently accessing data cubes have been substantially studied due to the enormous storage size as the number of dimensions and dimension cardinalities increase. Minimal condensed cube, one of these data cube compressing...
An effective approach to evaluate Internet topology model was mainly studied in this paper. SLS (Signless Laplacian Spectra), is used to quantitatively identify the topology properties of the Internet generated by the model and the Internet out of real measuring. SLS eigenvectors could be gained out of this procedure, then a cross-correlation algorithm was performed on the eigenvectors to give the...
Internet traveling diameter (ITD) is an Internet property defined in this paper being of great significance in measuring Internet performance. Approaches in short-term and long-term computing of ITD were mainly studied. The short-term computing model was composed of a Logistic model and with additional adjustment models to simulate the growth properties of ITD. Parameters in the model were finally...
Petri net is used widely to model and analyze various systems formally. Recently many Petri nets mania devote their efforts to enhancing and extending the expressive power of Petri nets. One such effort is to extend Petri nets with object-oriented concepts. This paper informally introduces colored object-oriented Petri nets (COOPN) with the application of the AUV system. According to the characteristic...
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