KRAMÁR, TOMÁŠ, MICHAL BARLA, and MÁRIA BIELIKOVÁ. 2013. “PERSONALIZING SEARCH USING SOCIALLY ENHANCED INTEREST MODEL, BUILT FROM THE STREAM OF USER’S ACTIVITY”. Journal of Web Engineering 12 (1-2):065-092. https://journals.riverpublishers.com/index.php/JWE/article/view/4179.