Promo: novel metrics that combine hits and accessibility criteria in order to Promote important content and links. - John D. Garofalakis; John Giannakou; Theodoula Giannakoudi; Evangelos Sakkopoulos (EATIS, 2007)

An Integrated Technique for Web Site Usage Semantic Analysis: the Organ System. - John D. Garofalakis; Theodoula Giannakoudi; Evangelos Sakkopoulos (J. Web Eng., 2007)

Personalized Web Search by Constructing Semantic Clusters of User Profiles. - John D. Garofalakis; Theodoula Giannakoudi; Agoritsa Vopi (KES (2), 2008)

Capturing User Session Orientation Based on Semantic Analysis and Concept Taxonomy. - John D. Garofalakis; Theodoula Giannakoudi; Danai Vergeti (BCI, 2009)

Exploiting Ontologies for Web Search Personalization. - John D. Garofalakis; Theodoula Giannakoudi (Web Personalization in Intelligent Environments, 2009)