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Giancarlo Guizzardi

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Giancarlo Guizzardi
Born22 April 1975
Vitória, Espírito Santo, Brazil
CitizenshipBrazilian, Italian
Alma materUniversity of Twente
Known forConceptual Modeling, Ontology, OntoUML
AwardsER Fellow 2023
Scientific career
FieldsComputer science
InstitutionsUniversity of Twente
Semantics, Cybersecurity & Services
Thesis Ontological foundations for structural conceptual models
Doctoral advisorChris Vissers, Luís Ferreira Pires, Marten van Sinderen
Doctoral studentsTiago Prince Sales, Claudenir Morais Fonseca, Ítalo Oliveira, Cristine Griffo, Maria das Graças da Silva Teixeira, Glenda Amaral, Victorio Albani Carvalho, Xiaowei Wang, Guylerme Figueiredo, João Rafael Nicola, Elena Romanenko, Isadora Vale Sousa, Rodrigo Calhau
Giancarlo Guizzardi

Giancarlo Guizzardi (born 22 April 1975 in Vitoria, Brazil) is a Brazilian–Italian computer scientist specializing in conceptual modeling, enterprise modeling, applied ontology and ontology-driven information systems.[jargon] He is a professor at the University of Twente, in The Netherlands, and a senior researcher and founding member of the Ontology & Conceptual Modeling Research Group (NEMO)[1] in Vitoria, Brazil.[citation needed]


He is a strong advocate of an approach to Conceptual Modeling known as Ontology-Driven Conceptual Modeling (ODCM). ODCM proposes that, since Conceptual Modeling is about representing conceptualizations of reality to support human understanding communication and problem-solving, it must rely on foundations that take formal ontology in philosophy, cognitive science, philosophical logics and linguistic seriously.[2]

He defended his PhD thesis in 2005 in the University of Twente (with the highest distinction). His thesis, entitled Ontological Foundations for Structural Conceptual Models, lays the foundation of what came to be known as the Unified Foundational Ontology and the OntoUML language.[2]


  1. ^ "Ontology and Conceptual Modeling Research Group (NEMO)".
  2. ^ a b Guizzardi, Giancarlo (2005). Ontological Foundations for Structural Conceptual Models (Thesis).