Collaborative Knowledge Management and Ontologies: The ONTO-LOGGING Platform. - Stelios Gerogiannakis; Marios Sintichakis; Nikos Achilleopoulos (KMGov, 2003)

Designing a modular system for direct search of video & audio content: The DIVAS project. - Nikos Achilleopoulos; Christos Theoharatos (CBMI, 2008)

Direct searching of multimedia content based on video characteristics extracted from compressed domain. - Serafeim Papastefanos; Fotis Andritsopoulos; Vassiliki Mpilili; Christos Theoharatos; Nikos Achilleopoulos (DIMEA, 2008)

Top Viewing Human Tracking in Shopping Centres. - Petros G. Vasileiou; Nefeli Lamprinou; Emmanouil Z. Psarakis; Giannis Tzimas; Nikos Achilleopoulos (RAAD, 2015)