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CHI '94 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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Proceedings of the 16th international conference on World Wide Web
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Proceedings of the 16th international conference on World Wide Web
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Proceedings of the 16th international conference on World Wide Web
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HICSS '08 Proceedings of the Proceedings of the 41st Annual Hawaii International Conference on System Sciences
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interactions - Changing energy use through design
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IV '08 Proceedings of the 2008 12th International Conference Information Visualisation
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EPCE'11 Proceedings of the 9th international conference on Engineering psychology and cognitive ergonomics
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Expert Systems with Applications: An International Journal
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TagClouds is a popular visualization for the collaborative tags. However it has some instinct problems such as linguistic issues, high semantic density and poor understanding of hierarchical structure and semantic relation between tags. In this paper we investigate the ways to support semantic understanding of collaborative tags and propose an improved visualization named TagClusters. Based on the semantic analysis of the collaborative tags in Last.fm, the semantic similar tags are clustered into different groups and the visual distance represents the semantic similarity between tags, and thus the visualization offers a better semantic understanding of collaborative tags. A comparative evaluation is conducted with TagClouds and TagClusters based on the same tags collection. The results indicate that TagClusters has advantages in supporting efficient browsing, searching, impression formation and matching. In the future work, we will explore the possibilities of supporting tag recom-mendation and tag-based Music Retrieval based on TagClusters.