Annotation of Cultural Heritage Documents Based on XML Dictionaries and Data Clustering. - Zenonas Theodosiou; Olga Georgiou; Nicolas Tsapatsoulis; Anastasis Kounoudes; Marios Milis (EuroMed, 2010)

Improving the Scalability of Recommender Systems by Clustering Using Genetic Algorithms. - Olga Georgiou; Nicolas Tsapatsoulis (ICANN (1), 2010)

The Importance of Similarity Metrics for Representative Users Identification in Recommender Systems. - Olga Georgiou; Nicolas Tsapatsoulis (AIAI, 2010)

Evaluating Annotators Consistency with the Aid of an Innovative Database Schema. - Zenonas Theodosiou; Olga Georgiou; Nicolas Tsapatsoulis (SMAP, 2011)

Investigating the Scalability of Algorithms, the Role of Similarity Metric and the List of Suggested Items Construction Scheme in Recommender Systems. - Nicolas Tsapatsoulis; Olga Georgiou (Int. J. Artif. Intell. Tools, 2012)