Retraction notices

Optimization of Online Teaching Quality Evaluation Model Based on Hierarchical PSO-BP Neural Network

Type
Retraction
Notice date
9/14/2023 0:00
Journal
Complexity
Publisher
Hindawi
Notice DOI
10.1155/2023/9846469
Original paper DOI
10.1155/2020/6647683

Reasons

Matching venue names

Name match only, not an authoritative journal identifier.