SIGIR '02 Proceedings of the 25th annual international ACM SIGIR conference on Research and development in information retrieval
Distinctive Image Features from Scale-Invariant Keypoints
International Journal of Computer Vision
Proceedings of the 28th annual international ACM SIGIR conference on Research and development in information retrieval
Usage patterns of collaborative tagging systems
Journal of Information Science
Query performance prediction in web search environments
SIGIR '07 Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval
To personalize or not to personalize: modeling queries with variation in user intent
Proceedings of the 31st annual international ACM SIGIR conference on Research and development in information retrieval
Retrieval and feedback models for blog feed search
Proceedings of the 31st annual international ACM SIGIR conference on Research and development in information retrieval
Improved query difficulty prediction for the web
Proceedings of the 17th ACM conference on Information and knowledge management
MM '08 Proceedings of the 16th ACM international conference on Multimedia
MM '08 Proceedings of the 16th ACM international conference on Multimedia
Learning tag relevance by neighbor voting for social image retrieval
MIR '08 Proceedings of the 1st ACM international conference on Multimedia information retrieval
Proceedings of the 18th international conference on World wide web
Proceedings of the 18th international conference on World wide web
NUS-WIDE: a real-world web image database from National University of Singapore
Proceedings of the ACM International Conference on Image and Video Retrieval
Proceedings of the ACM International Conference on Image and Video Retrieval
Quantifying tag representativeness of visual content of social images
Proceedings of the international conference on Multimedia
Discovering phrase-level lexicon for image annotation
PCM'10 Proceedings of the 11th Pacific Rim conference on Advances in multimedia information processing: Part I
iAVATAR: an interactive tool for finding and visualizing visual-representative tags in image search
Proceedings of the VLDB Endowment
Automatic image semantic interpretation using social action and tagging data
Multimedia Tools and Applications
Tag suggestion and localization for web videos by bipartite graph matching
WSM '11 Proceedings of the 3rd ACM SIGMM international workshop on Social media
Short communication: Towards a universal detector by mining concepts with small semantic gaps
Expert Systems with Applications: An International Journal
Tag-based algorithms can predict human ratings of which objects a picture shows
Multimedia Tools and Applications
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Tags associated with images in various social media sharing web sites are valuable information source for superior image retrieval experiences. Due to the nature of tagging, many tags associated with images are not visually descriptive. In this paper, we propose Normalized Image Tag Clarity (NITC) to evaluate the effectiveness of a tag in describing the visual content of its annotated images. It is measured by computing the zero-mean normalized distance between the tag language model estimated from the images annotated by the tag and the collection language model. The visual-representative tags that are commonly used to annotate visually similar images are given high tag clarity scores. Evaluated on a large real-world dataset containing more than 269K images and their associated tags, we show that NITC score can effectively identify the visual-representative tags from all tags contributed by users. We also demonstrate through experiments that most popular tags are indeed visually representative.