IRIT - UMR 5505

  Bandeau IRIT
Photo Cassia Trojahn

  Trojahn Cassia

  Status : Permanent
  Service/Team :  MEthodes et ingénierie des Langues, des Ontologies et du DIscours
  Contact :
  Localization : UTM, Département Mathématiques Informatiques, Bât. 14, Bureau 1720b
  Phone :



 Research Topics

  • ontology matching
  • ontology matching evaluation
  • argumentation models for composite ontology matching

 Current Research Activities

  • multilingual ontology matching
  • interfacing ontologies and lexicons
  • multilingual ontologies

 Research Experience

  • since 09/2012: assistant professor at UTM
  • 04/2012-08/2012: post-thesis engineer (Joseph Fourier University, Grenoble)
  • 08/2009-03/2012: post-doc fellow (INRIA, Grenoble)
  • 01/2009-07/2009: intership (Xerox Research Center Europe, Grenoble)
  • 04/2004-07/2005: junior researcher (UFRGS, Porto Alegre)


  • 2011 (Shadi Balloul): Multidimensional analysis for RDF data, research master, co-supervised with Jérôme Euzenat;2011 (Maria Rosoiu): Ontology alignment hardness and test generation, research master, co-supervised with Jérôme Euzenat;
  • 2011 (Rouaa Wannous): Explaining argumentation over alignment agreements, research master, co-supervised with Jérôme Euzenat;
  • 2005 (Humberto Zappe Loy): Using the architecture EJB in the MAGPRO system, professional master.


  • University of Évora, Portugal
  • Laboratory of Informatics of Grenoble, GETALP and EXMO teams, France
  • UFRGS et PUCRS, Brazil


2010/2012: temporary professor

  • University Pierre Mendes-France (Grenoble, France)
    • Master 2 WIC (Web, Informatics and Knowledgement): Semantic web
    • C2i: Internet and Informatics Certification
  • IUT2 (Grenoble, France)
    • ASR1: Understanding and using operating systems and networks
    • ASR4: TCP/IP under Ethernet network

2006/2007: temporary professor

  • Department of Informatics, University of Évora (Évora, Portugal)
    • Introduction to information technologies
    • Numeric programming (Fortran)
    • System analysis
    • Introduction to programming