TIAGO R. PEREIRA was born in 1974, Guimarães, Portugal and went to the Institut Superior da Maia, where he studied Management Informatics and obtained his bachelor's degree in 1997. He worked for a few years at the Instituto Superior da Maia as a Senior Programmer before going to the University of Minho in 2003, where he obtained a Master's degree in Information Systems and a doctorate in Information Systems and Technology. He was a collaborator of the ALGORITMI Research Center of the University of Minho and is currently a Visiting Professor in the Department of Information Systems of the Faculty of Engineering of the University of Minho. He is coordinator of the Undergraduate Course in Information Technologies and Systems and adjunct professor at the School of Higher Technologies of Fafe. Researcher at IESF's Research, Development and Innovation Centre - CIDI. The main scientific keywords in research papers are: Health care decision support system; Health care knowledge security; Health care knowledge sensitivity; Information retrieval; Knowledge management; Ontology; Text mining; Topic models; Critical knowledge; Knowledge sensibility; Knowledge security; Electronic vote; Risk management; Security policies; Security technologies;