Reusing an open source application - practical experiences with a mobile CRM pilot. - Jyrki Akkanen; Hunor Demeter; Tamás Eppel; Zoltán Ivánfi; Jukka K. Nurminen; Petri Stenman (OSS, 2007)

Similarity Management in Phonebook-Centric Social Networks. - Péter Ekler; Zoltán Ivánfi; Kristóf Aczél (ICIW, 2009)