Considering the special characteristics of
social images, Dongyuan Lu and Qiudan Li proposed
a co-clustering method to discover the
latent interests of users and map the Flickr
search results into the latent space to measure
their matching degree. Kristina Lerman, Anon
Plangprasopchok, and Chio Wong exploited
user-generated metadata in the form of
contacts and image annotations in Flickr to
describe user interest, using them to re-rank the
image search results in Flickr