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Correction

Correction: Park et al. Automatic Movie Tag Generation System for Improving the Recommendation System. Appl. Sci. 2022, 12, 10777

Department of Computer Science and Engineering, Korea University of Technology and Education, Cheonan 31253, Republic of Korea
*
Author to whom correspondence should be addressed.
Appl. Sci. 2025, 15(5), 2298; https://doi.org/10.3390/app15052298
Submission received: 17 December 2024 / Accepted: 14 January 2025 / Published: 21 February 2025
In the original publication [1], there was a mistake in Tables 2 and 4 and some texts related to the results of Tables 2 and 4. The error was caused by the incorrect selection of the dataset for testing, so we re-experimented by selecting a test dataset and adding a random seed value for reconstruction. The corrected Table 2 appears below.
A correction has been made to Section 4.2, Paragraph 2, “933” should be replaced by “1013”.
A correction has been made to Section 5.1, Paragraph 1, “935” should be replaced by “972” and Paragraph 1, the phrase “30% of the total” was changed to “15% as validation data, and 15% of the total”.
In Section 5.1, Paragraph 2, result values were changed. The correct paragraph appears below:
Table 2 shows the accuracy and learning time of 100 epochs using ResNet34, VGG-19, and MobileNet-v2 models. MobileNet-v2 had 22.6027% accuracy at the first session, and the maximum accuracy is 32.8767%. VGG-19 had 21.9178% accuracy at the first session, and the maximum accuracy is 30.1370%, which is about 2.7% lower than MobileNet-V2. In the case of ResNet34, the first session of accuracy is 28.0822% and the maximum accuracy is 38.3562%, which was about 8.2% higher than VGG-19. As a basis for completing 100 epochs, MobileNet-v2 showed a learning speed of 990.3590 s, VGG-19 showed 4423.7360 s, and ResNet34 showed a learning speed of 1311.7810 s. ResNet34 showed the highest performance in accuracy and MobileNet-v2 showed the highest performance in speed in this study.
The corrected Table 4 appears below.
A correction has been made to Section 5.4, Paragraph 1. The correct paragraph appears below:
The proposed automatic tag generation system analyzes sound and voice by inputting movie data. We selected 20 mood-related tags from about 70 tags and performed a multilabel classification on the 780 movies that were multi-labeled with those tags. The split of the dataset was carried out in the ratio of 70%, 15%, and 15% for the training, validation, and test datasets, respectively. Predicted tag is generated based on the analysis, and the tag list is stored as a CSV file. As shown in Table 4, only 15 lists were randomly extracted and summarized as results. Table 4 summarizes the matching results of the actual tags provided in the dataset and the automatically generated tags proposed in this paper.
A correction has been made to Section 5.4, Paragraph 2. The correct paragraph appears below:
Our work also shows an accuracy score result value of 86.84% for the test dataset. Although there is a difference in the number of actual tags, it can be confirmed that the extracted tags are included in the actual tags. The number of tags can be solved by increasing classification items or adding keywords in the system. Video platforms are already used by many consumers worldwide, and platform companies are continuously studying recommendation systems to provide customized services to consumers. Automating generation of tags for movie content through the methods proposed in this paper will help platform companies that provide recommendation services to reduce the time and cost for matching content to consumers.
The authors state that the scientific conclusions are unaffected. This correction was approved by the Academic Editor. The original publication has also been updated.

Reference

  1. Park, H.; Yong, S.; You, Y.; Lee, S.; Moon, I.-Y. Automatic Movie Tag Generation System for Improving the Recommendation System. Appl. Sci. 2022, 12, 10777. [Google Scholar] [CrossRef]
Table 2. Accuracy and learning time when running 100 epochs.
Table 2. Accuracy and learning time when running 100 epochs.
Accuracy
(Initial Epochs)
Max AccuracyLearning Time
ResNet3428.0822%38.3562%1311.7810 s
VGG-1921.9178%30.1370%4423.7360 s
MobileNet22.6027%32.8767%990.3590 s
Table 4. Comparison of real tags and tags generated from the proposed system (15 randomly selected in dataset). PM means partially matched; AM means all matched.
Table 4. Comparison of real tags and tags generated from the proposed system (15 randomly selected in dataset). PM means partially matched; AM means all matched.
No.TitleGenreMovie TagCountryResult
1AssassinsReal TagAction, Crime,
Thriller
violence, romantic,
suspenseful, sadist
USPM
Proposed TagCrimeviolence, romanticAnglosphere
2Beautiful GirlsReal TagComedy, Drama,
Romances
violence, romantic, humor,
atmospheric
USPM
Proposed TagComedyromanticAnglosphere
3Blood sport 3Real TagAction, SportviolenceUSPM
Proposed TagActionviolence, comedyAnglosphere
4Bottle
Rocket
Real TagComedy, Crime,
Drama
romantic, humorUSPM
Proposed TagComedyromantic, comedyAnglosphere
5BraveheartReal TagBiography, Drama,
History
violence, romantic, action,
dramatic, inspiring
USPM
Proposed TagDramaviolence, suspenseful,
atmospheric
Anglosphere
6DesperadoReal TagAction, Crime,
Thriller
violence, romantic, comedy,
humor, action, mystery
USPM
Proposed TagActionviolenceAnglosphere
7DriveReal TagAction, Adventure,
Comedy
violence, suspensefulUSPM
Proposed TagActionviolence, comedyAnglosphere
8Escape from
L.A.
Real TagAction, Adventure,
Sci-Fi
violence, humor, mysteryUSPM
Proposed TagActionviolence, comedyAnglosphere
9Executive
Decision
Real TagAction, Adventure,
Thriller
violence, suspenseful,
mystery
USPM
Proposed TagActionviolenceAnglosphere
10House ArrestReal TagComedy, FamilyromanticUSAM
Proposed TagComedyromanticAnglosphere
11In the Mouth of MadnessReal TagDrama, Fantasy,
Horror
violence, comedy,
suspenseful, fantasy
USPM
Proposed TagDramaviolenceAnglosphere
12KidsReal TagDramaviolenceUSPM
Proposed TagDramaviolence, suspensefulAnglosphere
13Leaving Las
Vegas
Real TagDrama, Romanceromantic, dramatic, dark,
atmospheric, depressing
USPM
Proposed TagDramaromanticAnglosphere
14MallratsReal TagComedy, Romanceromantic, comedy, humor,
comic
USPM
Proposed TagComedyviolence, comedyAnglosphere
15Tommy BoyReal TagAdventure, Comedycomedy, humorUSPM
Proposed TagComedycomedyAnglosphere
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MDPI and ACS Style

Park, H.; Yong, S.; You, Y.; Lee, S.; Moon, I.-Y. Correction: Park et al. Automatic Movie Tag Generation System for Improving the Recommendation System. Appl. Sci. 2022, 12, 10777. Appl. Sci. 2025, 15, 2298. https://doi.org/10.3390/app15052298

AMA Style

Park H, Yong S, You Y, Lee S, Moon I-Y. Correction: Park et al. Automatic Movie Tag Generation System for Improving the Recommendation System. Appl. Sci. 2022, 12, 10777. Applied Sciences. 2025; 15(5):2298. https://doi.org/10.3390/app15052298

Chicago/Turabian Style

Park, Hyogyeong, Sungjung Yong, Yeonhwi You, Seoyoung Lee, and Il-Young Moon. 2025. "Correction: Park et al. Automatic Movie Tag Generation System for Improving the Recommendation System. Appl. Sci. 2022, 12, 10777" Applied Sciences 15, no. 5: 2298. https://doi.org/10.3390/app15052298

APA Style

Park, H., Yong, S., You, Y., Lee, S., & Moon, I.-Y. (2025). Correction: Park et al. Automatic Movie Tag Generation System for Improving the Recommendation System. Appl. Sci. 2022, 12, 10777. Applied Sciences, 15(5), 2298. https://doi.org/10.3390/app15052298

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