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Title: Using NLP and Machine Learning to Detect Data Privacy Violations
Authors: Silva, Paulo
Goncalves, Carolina
Godinho, Carolina
Antunes, Nuno 
Curado, Marília 
Issue Date: 2020
Publisher: IEEE
Project: info:eu-repo/grantAgreement/EC/H2020/786713/EU/Protection and control of Secured Information by means of a privacy enhanced Dashboard 
Serial title, monograph or event: IEEE INFOCOM 2020 - IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS)
Place of publication or event: Toronto
Abstract: Privacy concerns are constantly increasing in different sectors. Regulations such as the EU's General Data Protection Regulation (GDPR) are pressuring organizations to handle the individual's data with reinforced caution. As information systems deal with increasingly large amounts of personal data in essential services, there is a lack of mechanisms to help organizations in protecting the involved data subjects. In this paper, we propose and evaluate the use of Named Entity Recognition as a way to identify, monitor and validate Personally Identifiable Information. In our experiments, we used three of the most well-known Natural Language Processing tools (NLTK, Stanford CoreNLP, and spaCy). First, we assess the effectiveness of the tools with a generic dataset. Then, machine learning models are trained and evaluated with datasets built on data that contain personally identifiable information. The results show that models' performance was highly positive in accurately classifying both generic and more context-specific data. We observe the relationship between the datasets' training size and respective performance and estimate the appropriate size for model training within this context. Furthermore, we discuss how our proposal can effectively act as a Privacy Enhancing Technology as well as the potential risks and associated impacts.
ISSN: 978-1-7281-8695-5 (eISSN)
DOI: 10.1109/INFOCOMWKSHPS50562.2020.9162683
Rights: embargoedAccess
Appears in Collections:FCTUC Eng.Informática - Artigos em Revistas Internacionais

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