Fuzzy Reliability in Spatial Databases

Table 3

The TFNs of the linguistic labels.

Label	Description	𝑎	𝑀	𝑏
𝛼1=𝐶𝑣	Optimum reliability	0.80	0.90	1.00
𝛼2=𝑉	Good reliability	0.65	0.75	0.80
𝛼3=𝑀𝑣	Sufficient reliability	0.55	0.60	0.65
𝛼4=𝐹	Mediocre reliability	0.45	0.50	0.55
𝛼5=Sc	Scanty reliability	0.35	0.40	0.45
𝛼6=Bd	Bad reliability	0.20	0.30	0.35
𝛼7=Nl	Null reliability	0.00	0.10	0.20