Creating an Historical Archive Ontology: Guidelines and Evaluation. - Elena Torou; Akrivi Katifori; Costas Vassilakis 001; George Lepouras; Constantin Halatsis (ICDIM, 2006)

A Comparative Study of Four Ontology Visualization Techniques in Protege: Experiment Setup and Preliminary Results. - Akrivi Katifori; Elena Torou; Constantin Halatsis; Giorgos Lepouras; Costas Vassilakis 001 (IV, 2006)

Historical Archive Ontologies Requirements, Modeling and Visualization. - Akrivi Katifori; Costas Vassilakis 001; Elena Torou; George Lepouras; Constantin Halatsis; Ilias Daradimos (RCIS, 2007)

Supporting Research in Historical Archives: Historical Information Visualization and Modeling Requirements. - Akrivi Katifori; Elena Torou; Costas Vassilakis 001; Constantin Halatsis (IV, 2008)

Selected results of a comparative study of four ontology visualization methods for information retrieval tasks. - Akrivi Katifori; Elena Torou; Costas Vassilakis 001; Giorgos Lepouras; Constantin Halatsis (RCIS, 2008)

Μεθοδολογία αναζήτησης ιστορικών αρχείων - Elena Torou (2009)

Historical research in archives: user methodology and supporting tools. - Elena Torou; Akrivi Katifori; Costas Vassilakis 001; George Lepouras; Constantin Halatsis (Int. J. Digit. Libr., 2010)

Visualization Method Effectiveness in Ontology-Based Information Retrieval Tasks Involving Entity Evolution. - Akrivi Katifori; Costas Vassilakis 001; George Lepouras; Elena Torou; Constantin Halatsis (SMAP, 2014)

Effectiveness of Visualization for Information Retrieval through Ontologies with Entity Evolution: The Impact of Ontology Modeling. - Akrivi Katifori; Costas Vassilakis 001; George Lepouras; Elena Torou (Int. J. Inf. Retr. Res., 2015)