RADELAAR, JONI, AART-JAN BOOR, DAMIR VANDIC, JAN-WILLEM VAN DAM, and FLAVIUS FASINCAR. 2014. “IMPROVING SEARCH AND EXPLORATION IN TAG SPACES USING AUTOMATED TAG CLUSTERING”. Journal of Web Engineering 13 (3-4):277-301. https://journals.riverpublishers.com/index.php/JWE/article/view/3933.