Social tagging on online portals has become a trend now. It has emerged as one of the best
ways of associating metadata with web objects. With the increase in the kinds of web objects …

“Nature shows us only the tail of the lion. But I do not doubt that the lion belongs to it even
though he cannot at once reveal himself because of his enormous size.”–Albert Einstein The …

Tags (keywords freely assigned by users to describe web content) have become highly
popular on Web 2.0 applications, because of the strong stimuli and easiness for users to …

The advent of online social networks has been one of the most exciting events in this
decade. Many popular online social networks such as Twitter, LinkedIn, and Facebook have …

Many tasks in computer vision involve assigning a label (such as disparity) to every pixel. A
common constraint is that the labels should vary smoothly almost everywhere while …

Tagging systems have become major infrastructures on the Web. They allow users to create
tags that annotate and categorize content and share them with other users, very helpful in …

Sparse coding exhibits good performance in many computer vision applications. However,
due to the overcomplete codebook and the independent coding process, the locality and the …

Acoustic-based music recommender systems have received increasing interest in recent
years. Due to the semantic gap between low level acoustic features and high level music …

Personalized recommender systems have been widely studied and deployed to reduce
information overload and satisfy users' diverse needs. However, conventional …

Tag recommendation is the task of predicting a personalized list of tags for a user given an
item. This is important for many websites with tagging capabilities like last. fm or delicious. In …