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Detection of School Foundation Day Tweets That Can Be Used to Distinguish Senders' Schools

Authors:
Yasuhiko Watanabe
Hiroaki Onishi
Ryo Nishimura
Yoshihiro Okada

Keywords: school foundation day; personal information; Twitter; SNS; privacy risk.

Abstract:
These days, many people use a Social Networking Service (SNS). When we use SNSs, we carefully protect the privacy of personal information: name, age, gender, address, telephone number, birthday, etc. However,we sometimes submit online messages that can threaten our privacy and security when combined with other information. In this study, we investigated tweets that can disclose senders' affiliations, especially, high schools to other people, including unwanted audiences, when combined with other public information. We collected 1,000 tweets including word "school foundation day" and found 46% of the collected tweets were ones disclosing foundation days of senders' schools. Furthermore, we found tweets including word "school foundation day" can be used to distinguish senders' schools when combined with event calendars in school web sites. Finally, we obtained 74% accuracy when we applied Support Vector Machine (SVM) to classify tweets including word "school foundation day" into ones disclosing the foundation days of senders' schools.

Pages: 34 to 39

Copyright: Copyright (c) IARIA, 2019

Publication date: June 30, 2019

Published in: conference

ISSN: 2308-443X

ISBN: 978-1-61208-721-4

Location: Rome, Italy

Dates: from June 30, 2019 to July 4, 2019