[Retracted] Application of Ontology Matching Algorithm Based on Linguistic Features in English Pronunciation Quality Evaluation

Table 2

Number of paired samples for human-machine rating.

Human review/machine review	Level 1	Level 2	Level 3	Level 4
Level 1	157	62	47	2
Level 2	27	214	48	25
Level 3	1	34	216	58
Level 4	2	4	28	123