Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: keyword exact "sparsity" cql: author exact 002004198236 or (type exact bookEditor and editor exact 002004198236) Add to list Conference Paper P1 open access Extending user profiles in collaborative filtering algorithms to alleviate the sparsity problem Toon De Pessemier (UGent) , Kris Vanhecke (UGent) , Simon Dooms (UGent) , Tom Deryckere (UGent) and Luc Martens (UGent) (2011) LECTURE NOTES IN BUSINESS INFORMATION PROCESSING. 75(4). p.230-244