Retraction notice: PMI-based polarity computation for SVM-NN-based sentiment classification from user-generated reviews

The publishers of the International Journal of Intelligent Unmanned Systems wish to retract the article Padmavathy, P., Mohideen, S.P. and Gulzar, Z. (2022), “PMI-based polarity computation for SVM-NN-based sentiment classification from user-generated reviews,” International Journal of Intelligent Unmanned Systems, Vol. 10 No. 1, pp. 179–199. https://doi.org/10.1108/IJIUS-09-2020-0043

An internal investigation into a series of submissions has uncovered evidence that the peer review process was compromised. As a result of these concerns, the findings of the article cannot be relied upon. This decision has been taken in accordance with Emerald’s publishing ethics and the COPE guidelines on retractions.

The authors of this paper would like to note that they do not agree with the content of this notice.

The publishers of the journal sincerely apologize to the readers.