Content-Based Image Retrieval at the End of the Early Years
IEEE Transactions on Pattern Analysis and Machine Intelligence
The Wisdom of Crowds
Combating spam in tagging systems
AIRWeb '07 Proceedings of the 3rd international workshop on Adversarial information retrieval on the web
SCAN: a structural clustering algorithm for networks
Proceedings of the 13th ACM SIGKDD international conference on Knowledge discovery and data mining
Annotating Images by Mining Image Search Results
IEEE Transactions on Pattern Analysis and Machine Intelligence
Real time google and live image search re-ranking
MM '08 Proceedings of the 16th ACM international conference on Multimedia
Video retrieval based on object discovery
Computer Vision and Image Understanding
Proceedings of the 5th International Workshop on Adversarial Information Retrieval on the Web
Tag refinement by regularized LDA
MM '09 Proceedings of the 17th ACM international conference on Multimedia
Learning social tag relevance by neighbor voting
IEEE Transactions on Multimedia
An information-theoretic framework for semantic-multimedia retrieval
ACM Transactions on Information Systems (TOIS)
Visual-semantic graphs: using queries to reduce the semantic gap in web image retrieval
CIKM '10 Proceedings of the 19th ACM international conference on Information and knowledge management
Leveraging loosely-tagged images and inter-object correlations for tag recommendation
Proceedings of the international conference on Multimedia
Efficient large-scale image annotation by probabilistic collaborative multi-label propagation
Proceedings of the international conference on Multimedia
Image tag refinement towards low-rank, content-tag prior and error sparsity
Proceedings of the international conference on Multimedia
Proceedings of the international conference on Multimedia
A graph-based clustering scheme for identifying related tags in folksonomies
DaWaK'10 Proceedings of the 12th international conference on Data warehousing and knowledge discovery
Semantic search log analysis: A method and a study on professional image search
Journal of the American Society for Information Science and Technology
TagClus: a random walk-based method for tag clustering
Knowledge and Information Systems - Special Issue: Best Papers of the Fifth International Conference on Advanced Data Mining and Applications (ADMA 2009)
A semantic clustering-based approach for searching and browsing tag spaces
Proceedings of the 2011 ACM Symposium on Applied Computing
Reliability and effectiveness of clickthrough data for automatic image annotation
Multimedia Tools and Applications
Automatic image tagging through information propagation in a query log based graph structure
MM '11 Proceedings of the 19th ACM international conference on Multimedia
Information retrieval in folksonomies: search and ranking
ESWC'06 Proceedings of the 3rd European conference on The Semantic Web: research and applications
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Efforts have been made to obtain more accurate results for multimedia searches on the Web. Nevertheless, not all multimedia objects have related text descriptions available. This makes bridging the semantic gap more difficult. Approaches that combine context and content information of multimedia objects are the most popular for indexing and later retrieving these objects. However, scaling these techniques to Web environments is still an open problem. In this thesis, we propose the use of user-generated content (UGC) from the Web and social platforms as well as multimedia content information to describe the context of multimedia objects. We aim to design tag-oriented algorithms to automatically tag multimedia objects, filter irrelevant tags, and cluster tags in semantically-related groups. The novelty of our proposal is centered on the design of Web-scalable algorithms that enrich multimedia context using the social information provided by users as a result of their interaction with multimedia objects. We validate the results of our proposal with a large-scale evaluation in crowdsourcing platforms.