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Summary: Quantifying Tag Representativeness of Visual Content of
Social Images
Aixin Sun
School of Computer Engineering
Nanyang Technological University
Singapore 639798
axsun@ntu.edu.sg
Sourav S. Bhowmick
School of Computer Engineering
Nanyang Technological University
Singapore 639798
assourav@ntu.edu.sg
ABSTRACT
Social tags describe images from many aspects including the vi-
sual content observable from the images, the context and usage of
images, user opinions and others. Not all tags are therefore use-
ful for image search and are appropriate for tag recommendation
with respect to visual content of images. However, the relation-
ship between a given tag and the visual content of its tagged im-
ages are largely ignored in existing studies on tags and in tagging
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