Professor of information science at Universidade Federal de Santa Catarina, UFSC, Brasil. Doctor of engineering (UFSC, 1997). Main teaching and research interests: peer review and scholarly communication, databases (esp. modeling), systems (under Bunge's systemism). Visiting positions and sabbaticals: Virginia Tech (USA, 1994-95), National Institute of Standards and Technology (NIST, USA, 1996), Consejo Superior de Investigaciones Científicas (CSIC, Spain, 2015-2016).