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• W3200170908 abstract "Abstract The last few years have revealed that social bots in social networks have become more sophisticated in design as they adapt their features to avoid detection systems. The deceptive nature of bots to mimic human users is due to the advancement of artificial intelligence and chatbots, where these bots learn and adjust very quickly. Therefore, finding the optimal features needed to detect them is an area for further investigation. In this paper, we propose a hybrid feature selection (FS) method to evaluate profile metadata features to find these optimal features, which are evaluated using random forest, naïve Bayes, support vector machines, and neural networks. We found that the cross-validation attribute evaluation performance was the best when compared to other FS methods. Our results show that the random forest classifier with six optimal features achieved the best score of 94.3% for the area under the curve. The results maintained overall 89% accuracy, 83.8% precision, and 83.3% recall for the bot class. We found that using four features: favorites_count , verified , statuses_count , and average_tweets_per_day, achieves good performance metrics for bot detection (84.1% precision, 81.2% recall)." @default.
• W3200170908 created "2021-09-27" @default.
• W3200170908 creator A5000034729 @default.
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• W3200170908 date "2021-09-19" @default.
• W3200170908 modified "2023-09-27" @default.
• W3200170908 title "Hybrid feature selection approach to identify optimal features of profile metadata to detect social bots in Twitter" @default.
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• W3200170908 doi "https://doi.org/10.1007/s13278-021-00786-4" @default.
• W3200170908 hasPublicationYear "2021" @default.
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