Privacy-Preserving -Means Clustering under Multiowner Setting in Distributed Cloud Environments

Table 4

Comparative summary of existing solutions for outsourced -means.

Protocol	Security model	Data privacy protection	Support multikeys	Hide access patterns	No owner involvement	Encrypted distance comparison	Big data engine
Lin’s [11]	KSA
Huang et al.’s [16]	KSA
Yuan and Tian’s [14]	KSA & LAA
Liu et al.’s [12]	CPA
Almutairi et al.’s [13]	CPA
Rao et al.’s [15]	CPA
Ours	CPA