• Flickr-3.5M: A collection of 3.5 million social-tagged images.
• Social20: A ground-truth set for tag-based social image retrieval.
• Biconcepts2012test: A ground-truth set for retrieving bi-concepts (concept pairs) in unlabeled images.
• neg4free: A set of negative examples automatically harvested from social-tagged images for 20 PASCAL VOC concepts.

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Research

• tag relevance learning
• visual categorization

Teaching

• social media retrieval

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Links

• Intelligent Systems Lab Amsterdam
• VIDI-video
• WikiSandbox

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