How to Count Thumb-Ups and Thumb-Downs: User-Rating Based Ranking of Items from an Axiomatic Perspective. - Dell Zhang; Robert Mao; Haitao Li; Joanne Mao (ICTIR, 2011)

How to count thumb-ups and thumb-downs?: an information retrieval approach to user-rating based ranking of items. - Dell Zhang; Robert Mao; Haitao Li; Joanne Mao (SIGIR, 2011)