Extracting Co-occurrences of Emojis and Words as Important Features for Human Trafficking Detection Models
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Creator Chawit Wiriyakun
Title Extracting Co-occurrences of Emojis and Words as Important Features for Human Trafficking Detection Models
Contributor Werasak Kurutach
Publisher Sirindhorn International Institute of Technology, Bangkadi Campus (SIIT-BKD)
Publication Year 2565
Journal Title Journal of Intelligent Informatics and Smart Technology 
Journal Vol. 7
Page no. 1-5
Keyword Human Trafficking, Emoji, Machine Learning
URL Website https://ph05.tci-thaijo.org/index.php/JIIST
Website title Journal of Intelligent Informatics and Smart Technology 
ISSN 2586-9167
Abstract Human trafficking is an illegal activity and a major problem of humanity that governments of most countries are trying to prevent. Recently, traffickers have been using social media on the Internet to promote and advertise their business, especially prostitution. Emoji as well as some special words, semantically recognized only in their community, have been used to conveying messages in their advertising communication. This makes it harder for law enforcement officers to track and prevent the activities. In this paper, we propose a feature selection approach focusing on the co-occurrence of emoji and important words for training machine learning (ML) models to detect human trafficking advertisement on social media. In our experimentation, we employed 3 ML models in order to compare our work against the baseline models of E. Tong et al. using the trafficking-10k data set. The result has shown that our method significantly outperforms the other’s in terms of the F1-score.
Sirindhorn International Institute of Technology, Bangkadi Campus

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