Investigating Diversity of Clustering Methods: An Empirical Comparison

R. Gelbard, Orit Goldman, Israel Spiegler

Research output: Contribution to journalArticlepeer-review


The paper aims to shed some light on the question why clustering algorithms, despite being quantitative and hence supposedly objective in nature, yield different and varied results. To do that, we took 10 common clustering algorithms and tested them over four known datasets, used in the literature as baselines with agreed upon clusters. One additional method, Binary-Positive, developed by our team, was added to the analysis. The results affirm the unpredictable nature of the clustering process, point to different assumptions taken by different methods. One conclusion of the study is to carefully choose the appropriate clustering method for any given application.
Original languageAmerican English
Pages (from-to)155-166
JournalData & Knowledge Engineering
Issue number1
StatePublished - 2007


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