Exploring Query Formulation and Reformulation: A Preliminary Study to Map Users' Search Behaviour. - Anna Mastora; Maria Monopoli; Sarantos Kapidakis (ECDL, 2008)

Term selection patterns for formulating queries: a User study focused on term semantics. - Anna Mastora; Maria Monopoli; Sarantos Kapidakis (ICDIM, 2008)

Query Expansion of Zero-Hit Subject Searches: Using a Thesaurus in Conjunction with NLP Techniques. - Sarantos Kapidakis; Anna Mastora; Manolis Peponakis (TPDL, 2012)

Using Google™ facets as implicit feedback for query expansion in database searching. - Anna Mastora; Sarantos Kapidakis (PETRA, 2012)

SKOS concepts and natural language concepts: An analysis of latent relationships in KOSs. - Anna Mastora; Manolis Peponakis; Sarantos Kapidakis (J. Inf. Sci., 2017)

Expressiveness and machine processability of Knowledge Organization Systems (KOS): an analysis of concepts and relations. - Manolis Peponakis; Anna Mastora; Sarantos Kapidakis; Martin Doerr (Int. J. Digit. Libr., 2019)