Image clustering through community detection on hybrid image similarity graphs. - Symeon Papadopoulos; Christos Zigkolis; Giorgos Tolias; Yannis Kalantidis; Phivos Mylonas; Yiannis Kompatsiaris; Athena Vakali (ICIP, 2010)

ClustTour: city exploration by use of hybrid photo clustering. - Symeon Papadopoulos; Christos Zigkolis; Stefanos Kapiris; Yiannis Kompatsiaris; Athena Vakali (ACM Multimedia, 2010)

Dynamic Code Generation for Cultural Content Management. - Maria Giatsoglou; Vassiliki A. Koutsonikola; Konstantinos Stamos; Athena Vakali; Christos Zigkolis (Panhellenic Conference on Informatics, 2010)

Hydra: an open framework for virtual-fusion of recommendation filters. - Savvas Karagiannidis; Stefanos Antaris; Christos Zigkolis; Athena Vakali (RecSys, 2010)

A comparative study of spatial, temporal and content-based patterns emerging in YouTube and Flickr. - Milan Mirkovic; Dubravko Culibrk; Symeon Papadopoulos; Christos Zigkolis; Yiannis Kompatsiaris; Gavin McArdle; Vladimir S. Crnojevic (CASoN, 2011)

Semi-supervised object recognition using flickr images. - Elisavet Chatzilari; Spiros Nikolopoulos; Symeon Papadopoulos; Christos Zigkolis; Yiannis Kompatsiaris (CBMI, 2011)

Detecting the long-tail of Points of Interest in tagged photo collections. - Christos Zigkolis; Symeon Papadopoulos; Yiannis Kompatsiaris; Athena Vakali (CBMI, 2011)

CERTH @ MediaEval 2011 Social Event Detection Task. - Symeon Papadopoulos; Christos Zigkolis; Yiannis Kompatsiaris; Athena Vakali (MediaEval, 2011)

City exploration by use of spatio-temporal analysis and clustering of user contributed photos. - Symeon Papadopoulos; Christos Zigkolis; Stefanos Kapiris; Yiannis Kompatsiaris; Athena Vakali (ICMR, 2011)

Towards a User-Aware Virtual Museum. - Christos Zigkolis; Vassiliki A. Koutsonikola; Despoina Chatzakou; Savvas Karagiannidis; Maria Giatsoglou; Andreas Kosmatopoulos; Athena Vakali (VS-GAMES, 2011)

Cluster-Based Landmark and Event Detection for Tagged Photo Collections. - Symeon Papadopoulos; Christos Zigkolis; Yiannis Kompatsiaris; Athena Vakali (IEEE Multim., 2011)

Dissimilarity Features in Recommender Systems. - Christos Zigkolis; Savvas Karagiannidis; Athena Vakali (ICDM Workshops, 2013)

Integrating similarity and dissimilarity notions in recommenders. - Christos Zigkolis; Savvas Karagiannidis; Ioannis K. Koumarelas; Athena Vakali (Expert Syst. Appl., 2013)

Collaborative event annotation in tagged photo collections. - Christos Zigkolis; Symeon Papadopoulos; George Filippou; Yiannis Kompatsiaris; Athena Vakali (Multim. Tools Appl., 2014)

Exploriometer: Leveraging Personality Traits for Coverage and Diversity Aware Recommendations. - Evangelos Chatzicharalampous; Christos Zigkolis; Athena Vakali (WWW (Companion Volume), 2015)