Multi-user Searching of Top-k Objects with Data on Remote Servers. - Erik Hornicák; Matús Ondreicka; Jaroslav Pokorný; Peter Vojtás (ADBIS (2), 2011)

Evaluating Top-k Algorithms with Various Sources of Data and User Preferences. - Alan Eckhardt; Erik Hornicák; Peter Vojtás (FQAS, 2011)