Julia Stoyanovich Sihem Amer-Yahia Cameron Marlow Cong Yu Leveraging Tagging to Model User Interests in del.icio.us. 104-109 2008 AAAI Spring Symposium: Social Information Processing http://www.aaai.org/Library/Symposia/Spring/2008/ss08-06-020.php conf/aaaiss/2008-6 db/conf/aaaiss/aaaiss2008-6.html#StoyanovichAMY08