Greek academic librarians' perceptions of the impact of Google on their role as information providers. - Emmanouel Garoufallou; Panos Balatsoukas; Rania Siatri; Georgia Zafeiriou; Stella Asderi; Panagiota Ekizoglou (Educ. Inf., 2008)

A Survey on the Importance of Learning Object Metadata for Relevance Judgment. - Panos Balatsoukas; Emmanouel Garoufallou; Stella Asderi; Rania Siatri (MTSR, 2011)

Learners' perceptions on the importance of learning object metadata for relevance judgement. - Panos Balatsoukas; Emmanouel Garoufallou; Anne Morris; Ann O'Brien; Stella Asderi; Rania Siatri (Int. J. Metadata Semant. Ontologies, 2012)

Metadata Requirements for Repositories in Health Informatics Research: Evidence from the Analysis of Social Media Citations. - Dimitris Rousidis; Emmanouel Garoufallou; Panos Balatsoukas; Kostas Paraskeuopoulos; Stella Asderi; Damiana Koutsomiha (MTSR, 2013)