Automated And Personalized Privacy Policy Extraction Under Gdpr Consideration

WIRELESS ALGORITHMS, SYSTEMS, AND APPLICATIONS, WASA 2019(2019)

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摘要
Along with the popularity of mobile devices, people share a growing amount of personal data to a variety of mobile applications for personalized services. In most cases, users can learn their data usage from the privacy policy along with the application. However, current privacy policies are always too long and obscure to provide readability and comprehensibility to users. To address this issue, we propose an automated privacy policy extraction system considering users' personal privacy concerns under different contexts. The system is implemented on Android smartphones and evaluated feedbacks from a group of users (n = 96) as a field study. Experiments are conducted on both our dataset, which is the first user privacy concern profile dataset to the best of our knowledge, and a public dataset containing 115 privacy policies with 23K data practices. We achieve 0.94 precision for privacy category classification and 0.81 accuracy for policy segment extraction, which attests to the significance of our work as a direction towards meeting the transparency requirement of the General Data Protection Regulation (GDPR).
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关键词
Privacy policy extraction, GDPR, Mobile application privacy
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