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Athena Vakali
Latest (10)
Collaborative event annotation in tagged photo collections
Compact and Distinctive Visual Vocabularies for Efficient Multimedia Data Indexing
Semi-supervised concept detection by learning the structure of similarity graphs
Community detection in Social Media: Performance and application considerations
The dynamics of content popularity in social media
CERTH@ MediaEval 2011 Social Event Detection Task
Detecting the long-tail of points of interest in tagged photo collections
Leveraging massive user contributions for knowledge extraction
City exploration by use of spatio-temporal analysis and clustering of user contributed photos
Community detection in collaborative tagging systems
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