文章目录 ER modelEER modelDatabase Design Methodology ER model
ER model包含entity, attibutes, relationship。 ER model的relationship有multiplicity: cardinality, participation.
EER model
就比ER model多了一个specialization/generalization,也就…
target_scores []
nontarget_scores []
f open(D:\dataset\ASV\\eval3.txt).readlines()
#将两个数组读出来
for line in f:splits line.strip().split( )print(splits)if splits[1] bonafide:target_scores.append(eval(splits[0]))else:nontarget_scores.append(eval(sp…