Document Organization and Retrieval using Self Organizing Maps and Statistical Language Modeling. - Apostolos Georgakis; Constantine Kotropoulos; Alexandros Xafopoulos; Ioannis Pitas (PRIS, 2001)

Marginal median SOM for document organization and retrieval. - Apostolos Georgakis; Constantine Kotropoulos; Alexandros Xafopoulos; Ioannis Pitas (Neural Networks, 2004)

Language identification in web documents using discrete HMMs. - Alexandros Xafopoulos; Constantine Kotropoulos; George Almpanidis; Ioannis Pitas (Pattern Recognit., 2004)