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Performance Analysis and Comparison of Sampling Algorithms in Online Social Network
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 133 - Number 5 |
| Year of Publication: 2016 |
| Authors: Stuti K., Atul Srivastava |
10.5120/ijca2016907868
|
Stuti K., Atul Srivastava . Performance Analysis and Comparison of Sampling Algorithms in Online Social Network. International Journal of Computer Applications. 133, 5 ( January 2016), 30-35. DOI=10.5120/ijca2016907868
Abstract
Graph sampling provides an efficient way by selecting a representative subset of the original graph thus making the graph scale small for improved computations. Random walk graph sampling has been considered as a fundamental tool to collect uniform node samples from a large graph. In this paper, a comprehensive analysis and comparison of four existing sampling algorithms- BFS, NBRW-rw, MHRW and MHDA is presented. The comparison is shown on the basis of the performance of each algorithm on different kinds of datasets. Here, the considered parameters are node-degree distribution and clustering coefficient which effect the performance of an algorithm in generating unbiased samples. The sampling methods as in this study are analysed on the real-network datasets and finally the conclusion says that MHDA performs excellently whereas BFS gives a poor performance.
References
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