Retraction

Abstract

Retraction: Li J, Hu B. Sparse data inspired depth of urbanization in Zhejiang based on geographic information system and visual system. J Concurrency Computat Pract Exper. 2021; 33(12).The above article, published online on 27 Feb 2020 Wiley Online Library (https://onlinelibrary.wiley.com/doi/full/10.1002/cpe.5704) has been retracted by agreement between the journal Editor, Professor David W. Walker, School of Computer Science and Informatics, Cardiff University, Cardiff CF24 3AA, UK and Wiley Periodicals, LLC. The retraction has been agreed following an investigation based on allegations raised by a third party. Several inconsistencies were found, including general logical flaws and irrelevant citations, making the motivation and conclusion of the article untrustworthy. The editorial office did not receive a response from the authors, and so requested underlying experimental data was not available for evaluation. Accordingly, the editors consider the conclusions of this manuscript invalid.