• A max-min approach for hiding frequent itemsets 

      Moustakides, G. V.; Verykios, V. S. (2006)
      In this paper we are proposing a new algorithmic approach for sanitizing raw data from sensitive knowledge in the context of mining of association rules. The new approach (a) relies on the maxmin criterion which is a method ...
    • Socio-semantic query expansion using Twitter hashtags 

      Anagnostopoulos, I.; Kolias, V.; Mylonas, P. (2012)
      In this paper we introduce an algorithmic approach, capable of creating a semantic network with concatenated terms and phrases (hashtags) from collectively postings on the Twittersphere. This network could be exploited for ...