An Area-Context-Based Credibility Detection for Big Data in IoT

Table 2

Performance of three methods for three types of anomalies.

	Our method (%)	KNN probabilistic (%)	k-means-Gaussian (%)
Point anomaly	98.91	95.18	98.76
Behavioral anomaly	96.51	91.07	73.09
Contextual anomaly	97.28	78.50	73.96
Total	97.43	88.04	80.45