Efficient parallel spectral clustering algorithm design for large data sets under cloud computing environment

Journal of Cloud Computing

Advances, Systems and Applications

Table 1 Comparison of clustering accuracy of stand-alone mode and parallel algorithm mode proposed in the paper

Type	Data volume	Stand-alone mode		The proposed parallel algorithm by the paper
		Correct number	Wrong number	Correct number	Wrong number
Normal	18183	17818	365	17892	291
u2r	267	263	4	265	2
Dos	17408	17132	276	17221	187
R2l	3897	3795	102	3808	89
Probe	4672	4571	101	4600	72
Average error rate		1.98%		1.45%